cpython-lru_cache-weakref: Modules/arraymodule.c annotate

annotate Modules/arraymodule.c @ 45361:4504dfcc1924 2.5

Fix deallocation of array objects when allocation ran out of memory.

author	Martin v. Löwis <martin@v.loewis.de>
date	Fri, 15 Feb 2008 19:11:46 +0000
parents	8cbe0bd93c28
children	2da42dcbb8ce

rev	line source
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1 /* Array object implementation */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	2
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	3 /* An array is a uniform list -- all items have the same type.
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	4 The item type is restricted to simple C types like int or float */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	5
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	6 #define PY_SSIZE_T_CLEAN
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	7 #include "Python.h"
32159 2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	8 #include "structmember.h"
4634 9facbab152cd Removed some unneeded header files and reedited with a fixed-width font Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4628 diff changeset	9
1797 b167e3350491 Changes for Mac Guido van Rossum <guido@python.org> parents: 1746 diff changeset	10 #ifdef STDC_HEADERS
b167e3350491 Changes for Mac Guido van Rossum <guido@python.org> parents: 1746 diff changeset	11 #include <stddef.h>
11242 0061ca4865d7 Tiny patch by Mark Hammond to avoid sys/types.h if we don't have it Guido van Rossum <guido@python.org> parents: 10434 diff changeset	12 #else /* !STDC_HEADERS */
38716 42808526511c Patch #1495999: Part two of Windows CE changes. Martin v. Löwis <martin@v.loewis.de> parents: 38676 diff changeset	13 #ifdef HAVE_SYS_TYPES_H
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	14 #include <sys/types.h> /* For size_t */
38716 42808526511c Patch #1495999: Part two of Windows CE changes. Martin v. Löwis <martin@v.loewis.de> parents: 38676 diff changeset	15 #endif /* HAVE_SYS_TYPES_H */
11242 0061ca4865d7 Tiny patch by Mark Hammond to avoid sys/types.h if we don't have it Guido van Rossum <guido@python.org> parents: 10434 diff changeset	16 #endif /* !STDC_HEADERS */
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	17
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	18 struct arrayobject; /* Forward */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	19
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	20 /* All possible arraydescr values are defined in the vector "descriptors"
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	21 * below. That's defined later because the appropriate get and set
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	22 * functions aren't visible yet.
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	23 */
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	24 struct arraydescr {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	25 int typecode;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	26 int itemsize;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	27 PyObject * (getitem)(struct arrayobject , Py_ssize_t);
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	28 int (setitem)(struct arrayobject , Py_ssize_t, PyObject *);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	29 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	30
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	31 typedef struct arrayobject {
36544 23e23e15e7e7 Bug #1432350: arrayobject should use PyObject_VAR_HEAD Georg Brandl <georg@python.org> parents: 36529 diff changeset	32 PyObject_VAR_HEAD
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	33 char *ob_item;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	34 Py_ssize_t allocated;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	35 struct arraydescr *ob_descr;
32159 2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	36 PyObject weakreflist; / List of weak references */
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	37 } arrayobject;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	38
24280 1598a1e473e2 staticforward bites the dust. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23929 diff changeset	39 static PyTypeObject Arraytype;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	40
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	41 #define array_Check(op) PyObject_TypeCheck(op, &Arraytype)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	42 #define array_CheckExact(op) ((op)->ob_type == &Arraytype)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	43
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	44 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	45 array_resize(arrayobject *self, Py_ssize_t newsize)
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	46 {
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	47 char *items;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	48 size_t _new_size;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	49
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	50 /* Bypass realloc() when a previous overallocation is large enough
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	51 to accommodate the newsize. If the newsize is 16 smaller than the
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	52 current size, then proceed with the realloc() to shrink the list.
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	53 */
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	54
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	55 if (self->allocated >= newsize &&
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	56 self->ob_size < newsize + 16 &&
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	57 self->ob_item != NULL) {
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	58 self->ob_size = newsize;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	59 return 0;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	60 }
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	61
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	62 /* This over-allocates proportional to the array size, making room
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	63 * for additional growth. The over-allocation is mild, but is
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	64 * enough to give linear-time amortized behavior over a long
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	65 * sequence of appends() in the presence of a poorly-performing
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	66 * system realloc().
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	67 * The growth pattern is: 0, 4, 8, 16, 25, 34, 46, 56, 67, 79, ...
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	68 * Note, the pattern starts out the same as for lists but then
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	69 * grows at a smaller rate so that larger arrays only overallocate
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	70 * by about 1/16th -- this is done because arrays are presumed to be more
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	71 * memory critical.
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	72 */
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	73
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	74 _new_size = (newsize >> 4) + (self->ob_size < 8 ? 3 : 7) + newsize;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	75 items = self->ob_item;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	76 /* XXX The following multiplication and division does not optimize away
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	77 like it does for lists since the size is not known at compile time */
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	78 if (_new_size <= ((~(size_t)0) / self->ob_descr->itemsize))
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	79 PyMem_RESIZE(items, char, (_new_size * self->ob_descr->itemsize));
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	80 else
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	81 items = NULL;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	82 if (items == NULL) {
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	83 PyErr_NoMemory();
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	84 return -1;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	85 }
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	86 self->ob_item = items;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	87 self->ob_size = newsize;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	88 self->allocated = _new_size;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	89 return 0;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	90 }
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	91
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	92 /****************************************************************************
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	93 Get and Set functions for each type.
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	94 A Get function takes an arrayobject* and an integer index, returning the
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	95 array value at that index wrapped in an appropriate PyObject*.
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	96 A Set function takes an arrayobject, integer index, and PyObject*; sets
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	97 the array value at that index to the raw C data extracted from the PyObject*,
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	98 and returns 0 if successful, else nonzero on failure (PyObject* not of an
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	99 appropriate type or value).
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	100 Note that the basic Get and Set functions do NOT check that the index is
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	101 in bounds; that's the responsibility of the caller.
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	102 ****************************************************************************/
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	103
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	104 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	105 c_getitem(arrayobject *ap, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	106 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	107 return PyString_FromStringAndSize(&((char *)ap->ob_item)[i], 1);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	108 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	109
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	110 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	111 c_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	112 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	113 char x;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	114 if (!PyArg_Parse(v, "c;array item must be char", &x))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	115 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	116 if (i >= 0)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	117 ((char *)ap->ob_item)[i] = x;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	118 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	119 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	120
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	121 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	122 b_getitem(arrayobject *ap, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	123 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	124 long x = ((char *)ap->ob_item)[i];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	125 if (x >= 128)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	126 x -= 256;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	127 return PyInt_FromLong(x);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	128 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	129
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	130 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	131 b_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	132 {
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	133 short x;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	134 /* PyArg_Parse's 'b' formatter is for an unsigned char, therefore
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	135 must use the next size up that is signed ('h') and manually do
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	136 the overflow checking */
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	137 if (!PyArg_Parse(v, "h;array item must be integer", &x))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	138 return -1;
13263 84879ab71b9f In b_setitem(), instead of the platform dependent CHAR_MIN and Guido van Rossum <guido@python.org> parents: 13256 diff changeset	139 else if (x < -128) {
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	140 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	141 "signed char is less than minimum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	142 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	143 }
13263 84879ab71b9f In b_setitem(), instead of the platform dependent CHAR_MIN and Guido van Rossum <guido@python.org> parents: 13256 diff changeset	144 else if (x > 127) {
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	145 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	146 "signed char is greater than maximum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	147 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	148 }
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	149 if (i >= 0)
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	150 ((char *)ap->ob_item)[i] = (char)x;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	151 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	152 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	153
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	154 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	155 BB_getitem(arrayobject *ap, Py_ssize_t i)
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	156 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	157 long x = ((unsigned char *)ap->ob_item)[i];
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	158 return PyInt_FromLong(x);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	159 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	160
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	161 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	162 BB_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	163 {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	164 unsigned char x;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	165 /* 'B' == unsigned char, maps to PyArg_Parse's 'b' formatter */
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	166 if (!PyArg_Parse(v, "b;array item must be integer", &x))
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	167 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	168 if (i >= 0)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	169 ((char *)ap->ob_item)[i] = x;
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	170 return 0;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	171 }
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	172
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	173 #ifdef Py_USING_UNICODE
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	174 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	175 u_getitem(arrayobject *ap, Py_ssize_t i)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	176 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	177 return PyUnicode_FromUnicode(&((Py_UNICODE *) ap->ob_item)[i], 1);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	178 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	179
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	180 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	181 u_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	182 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	183 Py_UNICODE *p;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	184 Py_ssize_t len;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	185
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	186 if (!PyArg_Parse(v, "u#;array item must be unicode character", &p, &len))
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	187 return -1;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	188 if (len != 1) {
37410 4020cf6c383e Whitespace: break long line Neal Norwitz <nnorwitz@gmail.com> parents: 36882 diff changeset	189 PyErr_SetString(PyExc_TypeError,
4020cf6c383e Whitespace: break long line Neal Norwitz <nnorwitz@gmail.com> parents: 36882 diff changeset	190 "array item must be unicode character");
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	191 return -1;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	192 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	193 if (i >= 0)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	194 ((Py_UNICODE *)ap->ob_item)[i] = p[0];
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	195 return 0;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	196 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	197 #endif
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	198
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	199 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	200 h_getitem(arrayobject *ap, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	201 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	202 return PyInt_FromLong((long) ((short *)ap->ob_item)[i]);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	203 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	204
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	205 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	206 h_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	207 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	208 short x;
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	209 /* 'h' == signed short, maps to PyArg_Parse's 'h' formatter */
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	210 if (!PyArg_Parse(v, "h;array item must be integer", &x))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	211 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	212 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	213 ((short *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	214 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	215 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	216
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	217 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	218 HH_getitem(arrayobject *ap, Py_ssize_t i)
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	219 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	220 return PyInt_FromLong((long) ((unsigned short *)ap->ob_item)[i]);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	221 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	222
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	223 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	224 HH_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	225 {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	226 int x;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	227 /* PyArg_Parse's 'h' formatter is for a signed short, therefore
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	228 must use the next size up and manually do the overflow checking */
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	229 if (!PyArg_Parse(v, "i;array item must be integer", &x))
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	230 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	231 else if (x < 0) {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	232 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	233 "unsigned short is less than minimum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	234 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	235 }
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	236 else if (x > USHRT_MAX) {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	237 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	238 "unsigned short is greater than maximum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	239 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	240 }
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	241 if (i >= 0)
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	242 ((short *)ap->ob_item)[i] = (short)x;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	243 return 0;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	244 }
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	245
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	246 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	247 i_getitem(arrayobject *ap, Py_ssize_t i)
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	248 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	249 return PyInt_FromLong((long) ((int *)ap->ob_item)[i]);
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	250 }
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	251
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	252 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	253 i_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	254 {
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	255 int x;
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	256 /* 'i' == signed int, maps to PyArg_Parse's 'i' formatter */
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	257 if (!PyArg_Parse(v, "i;array item must be integer", &x))
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	258 return -1;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	259 if (i >= 0)
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	260 ((int *)ap->ob_item)[i] = x;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	261 return 0;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	262 }
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	263
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	264 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	265 II_getitem(arrayobject *ap, Py_ssize_t i)
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	266 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	267 return PyLong_FromUnsignedLong(
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	268 (unsigned long) ((unsigned int *)ap->ob_item)[i]);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	269 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	270
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	271 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	272 II_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	273 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	274 unsigned long x;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	275 if (PyLong_Check(v)) {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	276 x = PyLong_AsUnsignedLong(v);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	277 if (x == (unsigned long) -1 && PyErr_Occurred())
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	278 return -1;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	279 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	280 else {
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	281 long y;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	282 if (!PyArg_Parse(v, "l;array item must be integer", &y))
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	283 return -1;
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	284 if (y < 0) {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	285 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	286 "unsigned int is less than minimum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	287 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	288 }
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	289 x = (unsigned long)y;
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	290
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	291 }
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	292 if (x > UINT_MAX) {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	293 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	294 "unsigned int is greater than maximum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	295 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	296 }
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	297
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	298 if (i >= 0)
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	299 ((unsigned int *)ap->ob_item)[i] = (unsigned int)x;
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	300 return 0;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	301 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	302
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	303 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	304 l_getitem(arrayobject *ap, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	305 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	306 return PyInt_FromLong(((long *)ap->ob_item)[i]);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	307 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	308
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	309 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	310 l_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	311 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	312 long x;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	313 if (!PyArg_Parse(v, "l;array item must be integer", &x))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	314 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	315 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	316 ((long *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	317 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	318 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	319
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	320 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	321 LL_getitem(arrayobject *ap, Py_ssize_t i)
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	322 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	323 return PyLong_FromUnsignedLong(((unsigned long *)ap->ob_item)[i]);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	324 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	325
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	326 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	327 LL_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	328 {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	329 unsigned long x;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	330 if (PyLong_Check(v)) {
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	331 x = PyLong_AsUnsignedLong(v);
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	332 if (x == (unsigned long) -1 && PyErr_Occurred())
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	333 return -1;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	334 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	335 else {
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	336 long y;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	337 if (!PyArg_Parse(v, "l;array item must be integer", &y))
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	338 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	339 if (y < 0) {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	340 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	341 "unsigned long is less than minimum");
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	342 return -1;
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	343 }
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	344 x = (unsigned long)y;
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	345
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	346 }
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	347 if (x > ULONG_MAX) {
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	348 PyErr_SetString(PyExc_OverflowError,
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	349 "unsigned long is greater than maximum");
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	350 return -1;
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	351 }
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	352
4875 911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	353 if (i >= 0)
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	354 ((unsigned long *)ap->ob_item)[i] = x;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	355 return 0;
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	356 }
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	357
911040e1bb11 Add new formats B, H, I, L for unsigned data types (analogous to the Guido van Rossum <guido@python.org> parents: 4634 diff changeset	358 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	359 f_getitem(arrayobject *ap, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	360 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	361 return PyFloat_FromDouble((double) ((float *)ap->ob_item)[i]);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	362 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	363
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	364 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	365 f_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	366 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	367 float x;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	368 if (!PyArg_Parse(v, "f;array item must be float", &x))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	369 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	370 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	371 ((float *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	372 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	373 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	374
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	375 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	376 d_getitem(arrayobject *ap, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	377 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	378 return PyFloat_FromDouble(((double *)ap->ob_item)[i]);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	379 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	380
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	381 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	382 d_setitem(arrayobject ap, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	383 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	384 double x;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	385 if (!PyArg_Parse(v, "d;array item must be float", &x))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	386 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	387 if (i >= 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	388 ((double *)ap->ob_item)[i] = x;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	389 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	390 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	391
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	392 /* Description of types */
1313 6ee380349c84 * Added gmtime/localtime/mktime and SYSV timezone globals to timemodule.c. Guido van Rossum <guido@python.org> parents: 1271 diff changeset	393 static struct arraydescr descriptors[] = {
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	394 {'c', sizeof(char), c_getitem, c_setitem},
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	395 {'b', sizeof(char), b_getitem, b_setitem},
5542 cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim Guido van Rossum <guido@python.org> parents: 5410 diff changeset	396 {'B', sizeof(char), BB_getitem, BB_setitem},
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	397 #ifdef Py_USING_UNICODE
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	398 {'u', sizeof(Py_UNICODE), u_getitem, u_setitem},
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	399 #endif
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	400 {'h', sizeof(short), h_getitem, h_setitem},
5542 cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim Guido van Rossum <guido@python.org> parents: 5410 diff changeset	401 {'H', sizeof(short), HH_getitem, HH_setitem},
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	402 {'i', sizeof(int), i_getitem, i_setitem},
5542 cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim Guido van Rossum <guido@python.org> parents: 5410 diff changeset	403 {'I', sizeof(int), II_getitem, II_setitem},
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	404 {'l', sizeof(long), l_getitem, l_setitem},
5542 cfc13f3f3876 Address the following problem on DOS and Win 3.1, reported by Jim Guido van Rossum <guido@python.org> parents: 5410 diff changeset	405 {'L', sizeof(long), LL_getitem, LL_setitem},
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	406 {'f', sizeof(float), f_getitem, f_setitem},
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	407 {'d', sizeof(double), d_getitem, d_setitem},
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	408 {'\0', 0, 0, 0} /* Sentinel */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	409 };
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	410
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	411 /****************************************************************************
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	412 Implementations of array object methods.
7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	413 ****************************************************************************/
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	414
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	415 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	416 newarrayobject(PyTypeObject type, Py_ssize_t size, struct arraydescr descr)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	417 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	418 arrayobject *op;
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1413 diff changeset	419 size_t nbytes;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	420
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	421 if (size < 0) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	422 PyErr_BadInternalCall();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	423 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	424 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	425
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	426 nbytes = size * descr->itemsize;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	427 /* Check for overflow */
5318 2c4b802a3b5d Keep Microsoft VC happy. Guido van Rossum <guido@python.org> parents: 4875 diff changeset	428 if (nbytes / descr->itemsize != (size_t)size) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	429 return PyErr_NoMemory();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	430 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	431 op = (arrayobject *) type->tp_alloc(type, 0);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	432 if (op == NULL) {
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	433 return NULL;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	434 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	435 op->ob_size = size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	436 if (size <= 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	437 op->ob_item = NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	438 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	439 else {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	440 op->ob_item = PyMem_NEW(char, nbytes);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	441 if (op->ob_item == NULL) {
45361 4504dfcc1924 Fix deallocation of array objects when allocation ran out of memory. Martin v. Löwis <martin@v.loewis.de> parents: 45337 diff changeset	442 _Py_ForgetReference(op);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 11711 diff changeset	443 PyObject_Del(op);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	444 return PyErr_NoMemory();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	445 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	446 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	447 op->ob_descr = descr;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	448 op->allocated = size;
32159 2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	449 op->weakreflist = NULL;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	450 return (PyObject *) op;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	451 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	452
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	453 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	454 getarrayitem(PyObject *op, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	455 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	456 register arrayobject *ap;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	457 assert(array_Check(op));
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	458 ap = (arrayobject *)op;
29244 23ad8b5d7b4a All calls to getarrayitem() (which is static) are done either in loops Walter Dörwald <walter@livinglogic.de> parents: 29163 diff changeset	459 assert(i>=0 && i<ap->ob_size);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	460 return (*ap->ob_descr->getitem)(ap, i);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	461 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	462
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	463 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	464 ins1(arrayobject self, Py_ssize_t where, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	465 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	466 char *items;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	467 Py_ssize_t n = self->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	468 if (v == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	469 PyErr_BadInternalCall();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	470 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	471 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	472 if ((*self->ob_descr->setitem)(self, -1, v) < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	473 return -1;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	474
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	475 if (array_resize(self, n+1) == -1)
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	476 return -1;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	477 items = self->ob_item;
29163 2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as Walter Dörwald <walter@livinglogic.de> parents: 28760 diff changeset	478 if (where < 0) {
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	479 where += n;
29163 2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as Walter Dörwald <walter@livinglogic.de> parents: 28760 diff changeset	480 if (where < 0)
2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as Walter Dörwald <walter@livinglogic.de> parents: 28760 diff changeset	481 where = 0;
2bb5ceef9ac3 Fix array.array.insert(), so that it treats negative indices as Walter Dörwald <walter@livinglogic.de> parents: 28760 diff changeset	482 }
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	483 if (where > n)
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	484 where = n;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	485 /* appends don't need to call memmove() */
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	486 if (where != n)
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	487 memmove(items + (where+1)*self->ob_descr->itemsize,
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	488 items + where*self->ob_descr->itemsize,
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	489 (n-where)*self->ob_descr->itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	490 return (*self->ob_descr->setitem)(self, where, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	491 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	492
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	493 /* Methods */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	494
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	495 static void
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	496 array_dealloc(arrayobject *op)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	497 {
32159 2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	498 if (op->weakreflist != NULL)
2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	499 PyObject_ClearWeakRefs((PyObject *) op);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	500 if (op->ob_item != NULL)
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	501 PyMem_DEL(op->ob_item);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	502 op->ob_type->tp_free((PyObject *)op);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	503 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	504
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	505 static PyObject *
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	506 array_richcompare(PyObject v, PyObject w, int op)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	507 {
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	508 arrayobject va, wa;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	509 PyObject *vi = NULL;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	510 PyObject *wi = NULL;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	511 Py_ssize_t i, k;
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	512 PyObject *res;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	513
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	514 if (!array_Check(v) \|\| !array_Check(w)) {
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	515 Py_INCREF(Py_NotImplemented);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	516 return Py_NotImplemented;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	517 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	518
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	519 va = (arrayobject *)v;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	520 wa = (arrayobject *)w;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	521
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	522 if (va->ob_size != wa->ob_size && (op == Py_EQ \|\| op == Py_NE)) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	523 /* Shortcut: if the lengths differ, the arrays differ */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	524 if (op == Py_EQ)
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	525 res = Py_False;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	526 else
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	527 res = Py_True;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	528 Py_INCREF(res);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	529 return res;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	530 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	531
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	532 /* Search for the first index where items are different */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	533 k = 1;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	534 for (i = 0; i < va->ob_size && i < wa->ob_size; i++) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	535 vi = getarrayitem(v, i);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	536 wi = getarrayitem(w, i);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	537 if (vi == NULL \|\| wi == NULL) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	538 Py_XDECREF(vi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	539 Py_XDECREF(wi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	540 return NULL;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	541 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	542 k = PyObject_RichCompareBool(vi, wi, Py_EQ);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	543 if (k == 0)
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	544 break; /* Keeping vi and wi alive! */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	545 Py_DECREF(vi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	546 Py_DECREF(wi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	547 if (k < 0)
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	548 return NULL;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	549 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	550
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	551 if (k) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	552 /* No more items to compare -- compare sizes */
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	553 Py_ssize_t vs = va->ob_size;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	554 Py_ssize_t ws = wa->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	555 int cmp;
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	556 switch (op) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	557 case Py_LT: cmp = vs < ws; break;
16268 c2ce9b2e5bb4 Correct one-line typo, reported by yole @ SF, bug 130077. Guido van Rossum <guido@python.org> parents: 16232 diff changeset	558 case Py_LE: cmp = vs <= ws; break;
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	559 case Py_EQ: cmp = vs == ws; break;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	560 case Py_NE: cmp = vs != ws; break;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	561 case Py_GT: cmp = vs > ws; break;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	562 case Py_GE: cmp = vs >= ws; break;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	563 default: return NULL; /* cannot happen */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	564 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	565 if (cmp)
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	566 res = Py_True;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	567 else
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	568 res = Py_False;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	569 Py_INCREF(res);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	570 return res;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	571 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	572
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	573 /* We have an item that differs. First, shortcuts for EQ/NE */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	574 if (op == Py_EQ) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	575 Py_INCREF(Py_False);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	576 res = Py_False;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	577 }
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	578 else if (op == Py_NE) {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	579 Py_INCREF(Py_True);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	580 res = Py_True;
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	581 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	582 else {
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	583 /* Compare the final item again using the proper operator */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	584 res = PyObject_RichCompare(vi, wi, op);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	585 }
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	586 Py_DECREF(vi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	587 Py_DECREF(wi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	588 return res;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	589 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	590
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	591 static Py_ssize_t
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	592 array_length(arrayobject *a)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	593 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	594 return a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	595 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	596
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	597 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	598 array_item(arrayobject *a, Py_ssize_t i)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	599 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	600 if (i < 0 \|\| i >= a->ob_size) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	601 PyErr_SetString(PyExc_IndexError, "array index out of range");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	602 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	603 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	604 return getarrayitem((PyObject *)a, i);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	605 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	606
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	607 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	608 array_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	609 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	610 arrayobject *np;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	611 if (ilow < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	612 ilow = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	613 else if (ilow > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	614 ilow = a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	615 if (ihigh < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	616 ihigh = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	617 if (ihigh < ilow)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	618 ihigh = ilow;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	619 else if (ihigh > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	620 ihigh = a->ob_size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	621 np = (arrayobject *) newarrayobject(&Arraytype, ihigh - ilow, a->ob_descr);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	622 if (np == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	623 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	624 memcpy(np->ob_item, a->ob_item + ilow * a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	625 (ihigh-ilow) * a->ob_descr->itemsize);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	626 return (PyObject *)np;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	627 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	628
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	629 static PyObject *
31651 35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	630 array_copy(arrayobject a, PyObject unused)
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	631 {
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	632 return array_slice(a, 0, a->ob_size);
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	633 }
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	634
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	635 PyDoc_STRVAR(copy_doc,
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	636 "copy(array)\n\
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	637 \n\
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	638 Return a copy of the array.");
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	639
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	640 static PyObject *
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	641 array_concat(arrayobject a, PyObject bb)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	642 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	643 Py_ssize_t size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	644 arrayobject *np;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	645 if (!array_Check(bb)) {
12814 b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>: Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	646 PyErr_Format(PyExc_TypeError,
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>: Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	647 "can only append array (not \"%.200s\") to array",
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>: Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	648 bb->ob_type->tp_name);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	649 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	650 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	651 #define b ((arrayobject *)bb)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	652 if (a->ob_descr != b->ob_descr) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	653 PyErr_BadArgument();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	654 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	655 }
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	656 if (a->ob_size > PY_SSIZE_T_MAX - b->ob_size) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	657 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	658 }
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	659 size = a->ob_size + b->ob_size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	660 np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	661 if (np == NULL) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	662 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	663 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	664 memcpy(np->ob_item, a->ob_item, a->ob_size*a->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	665 memcpy(np->ob_item + a->ob_size*a->ob_descr->itemsize,
1397 1ce2c0f565ef Fix stupib bug in concatenation Guido van Rossum <guido@python.org> parents: 1393 diff changeset	666 b->ob_item, b->ob_size*b->ob_descr->itemsize);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	667 return (PyObject *)np;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	668 #undef b
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	669 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	670
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	671 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	672 array_repeat(arrayobject *a, Py_ssize_t n)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	673 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	674 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	675 Py_ssize_t size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	676 arrayobject *np;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	677 char *p;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	678 Py_ssize_t nbytes;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	679 if (n < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	680 n = 0;
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	681 if ((a->ob_size != 0) && (n > PY_SSIZE_T_MAX / a->ob_size)) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	682 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	683 }
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	684 size = a->ob_size * n;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	685 np = (arrayobject *) newarrayobject(&Arraytype, size, a->ob_descr);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	686 if (np == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	687 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	688 p = np->ob_item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	689 nbytes = a->ob_size * a->ob_descr->itemsize;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	690 for (i = 0; i < n; i++) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	691 memcpy(p, a->ob_item, nbytes);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	692 p += nbytes;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	693 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	694 return (PyObject *) np;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	695 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	696
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	697 static int
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	698 array_ass_slice(arrayobject a, Py_ssize_t ilow, Py_ssize_t ihigh, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	699 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	700 char *item;
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	701 Py_ssize_t n; /* Size of replacement array */
9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	702 Py_ssize_t d; /* Change in size */
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	703 #define b ((arrayobject *)v)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	704 if (v == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	705 n = 0;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	706 else if (array_Check(v)) {
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	707 n = b->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	708 if (a == b) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	709 /* Special case "a[i:j] = a" -- copy b first */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	710 int ret;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	711 v = array_slice(b, 0, n);
39445 e11caad7e029 Klocwork made another run and found a bunch more problems. Neal Norwitz <nnorwitz@gmail.com> parents: 38716 diff changeset	712 if (!v)
e11caad7e029 Klocwork made another run and found a bunch more problems. Neal Norwitz <nnorwitz@gmail.com> parents: 38716 diff changeset	713 return -1;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	714 ret = array_ass_slice(a, ilow, ihigh, v);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	715 Py_DECREF(v);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	716 return ret;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	717 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	718 if (b->ob_descr != a->ob_descr) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	719 PyErr_BadArgument();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	720 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	721 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	722 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	723 else {
12814 b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>: Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	724 PyErr_Format(PyExc_TypeError,
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>: Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	725 "can only assign array (not \"%.200s\") to array slice",
b1b260a2de98 Michael Hudson <mwh21@cam.ac.uk>: Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	726 v->ob_type->tp_name);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	727 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	728 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	729 if (ilow < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	730 ilow = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	731 else if (ilow > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	732 ilow = a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	733 if (ihigh < 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	734 ihigh = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	735 if (ihigh < ilow)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	736 ihigh = ilow;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	737 else if (ihigh > a->ob_size)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	738 ihigh = a->ob_size;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	739 item = a->ob_item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	740 d = n - (ihigh-ilow);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	741 if (d < 0) { /* Delete -d items */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	742 memmove(item + (ihigh+d)*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	743 item + ihigh*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	744 (a->ob_size-ihigh)*a->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	745 a->ob_size += d;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	746 PyMem_RESIZE(item, char, a->ob_size*a->ob_descr->itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	747 /* Can't fail */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	748 a->ob_item = item;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	749 a->allocated = a->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	750 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	751 else if (d > 0) { /* Insert d items */
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	752 PyMem_RESIZE(item, char,
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	753 (a->ob_size + d)*a->ob_descr->itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	754 if (item == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	755 PyErr_NoMemory();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	756 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	757 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	758 memmove(item + (ihigh+d)*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	759 item + ihigh*a->ob_descr->itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	760 (a->ob_size-ihigh)*a->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	761 a->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	762 a->ob_size += d;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	763 a->allocated = a->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	764 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	765 if (n > 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	766 memcpy(item + ilow*a->ob_descr->itemsize, b->ob_item,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	767 n*b->ob_descr->itemsize);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	768 return 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	769 #undef b
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	770 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	771
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	772 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	773 array_ass_item(arrayobject a, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	774 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	775 if (i < 0 \|\| i >= a->ob_size) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	776 PyErr_SetString(PyExc_IndexError,
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	777 "array assignment index out of range");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	778 return -1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	779 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	780 if (v == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	781 return array_ass_slice(a, i, i+1, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	782 return (*a->ob_descr->setitem)(a, i, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	783 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	784
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	785 static int
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	786 setarrayitem(PyObject a, Py_ssize_t i, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	787 {
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	788 assert(array_Check(a));
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	789 return array_ass_item((arrayobject *)a, i, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	790 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	791
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	792 static int
31660 35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	793 array_iter_extend(arrayobject self, PyObject bb)
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	794 {
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	795 PyObject it, v;
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	796
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	797 it = PyObject_GetIter(bb);
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	798 if (it == NULL)
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	799 return -1;
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	800
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	801 while ((v = PyIter_Next(it)) != NULL) {
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	802 if (ins1(self, (int) self->ob_size, v) != 0) {
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	803 Py_DECREF(v);
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	804 Py_DECREF(it);
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	805 return -1;
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	806 }
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	807 Py_DECREF(v);
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	808 }
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	809 Py_DECREF(it);
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	810 if (PyErr_Occurred())
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	811 return -1;
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	812 return 0;
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	813 }
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	814
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	815 static int
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	816 array_do_extend(arrayobject self, PyObject bb)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	817 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	818 Py_ssize_t size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	819
31660 35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	820 if (!array_Check(bb))
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	821 return array_iter_extend(self, bb);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	822 #define b ((arrayobject *)bb)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	823 if (self->ob_descr != b->ob_descr) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	824 PyErr_SetString(PyExc_TypeError,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	825 "can only extend with array of same kind");
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	826 return -1;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	827 }
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	828 if ((self->ob_size > PY_SSIZE_T_MAX - b->ob_size) \|\|
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	829 ((self->ob_size + b->ob_size) > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	830 PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	831 return -1;
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	832 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	833 size = self->ob_size + b->ob_size;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	834 PyMem_RESIZE(self->ob_item, char, size*self->ob_descr->itemsize);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	835 if (self->ob_item == NULL) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	836 PyObject_Del(self);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	837 PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	838 return -1;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	839 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	840 memcpy(self->ob_item + self->ob_size*self->ob_descr->itemsize,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	841 b->ob_item, b->ob_size*b->ob_descr->itemsize);
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	842 self->ob_size = size;
206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	843 self->allocated = size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	844
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	845 return 0;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	846 #undef b
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	847 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	848
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	849 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	850 array_inplace_concat(arrayobject self, PyObject bb)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	851 {
31660 35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	852 if (!array_Check(bb)) {
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	853 PyErr_Format(PyExc_TypeError,
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	854 "can only extend array with array (not \"%.200s\")",
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	855 bb->ob_type->tp_name);
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	856 return NULL;
35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	857 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	858 if (array_do_extend(self, bb) == -1)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	859 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	860 Py_INCREF(self);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	861 return (PyObject *)self;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	862 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	863
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	864 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	865 array_inplace_repeat(arrayobject *self, Py_ssize_t n)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	866 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	867 char items, p;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	868 Py_ssize_t size, i;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	869
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	870 if (self->ob_size > 0) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	871 if (n < 0)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	872 n = 0;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	873 items = self->ob_item;
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	874 if ((self->ob_descr->itemsize != 0) &&
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	875 (self->ob_size > PY_SSIZE_T_MAX / self->ob_descr->itemsize)) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	876 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	877 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	878 size = self->ob_size * self->ob_descr->itemsize;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	879 if (n == 0) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	880 PyMem_FREE(items);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	881 self->ob_item = NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	882 self->ob_size = 0;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	883 self->allocated = 0;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	884 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	885 else {
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	886 if (size > PY_SSIZE_T_MAX / n) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	887 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	888 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	889 PyMem_Resize(items, char, n * size);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	890 if (items == NULL)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	891 return PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	892 p = items;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	893 for (i = 1; i < n; i++) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	894 p += size;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	895 memcpy(p, items, size);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	896 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	897 self->ob_item = items;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	898 self->ob_size *= n;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	899 self->allocated = self->ob_size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	900 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	901 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	902 Py_INCREF(self);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	903 return (PyObject *)self;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	904 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	905
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	906
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	907 static PyObject *
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	908 ins(arrayobject self, Py_ssize_t where, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	909 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	910 if (ins1(self, where, v) != 0)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	911 return NULL;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	912 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	913 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	914 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	915
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	916 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	917 array_count(arrayobject self, PyObject v)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	918 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	919 Py_ssize_t count = 0;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	920 Py_ssize_t i;
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	921
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	922 for (i = 0; i < self->ob_size; i++) {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	923 PyObject selfi = getarrayitem((PyObject )self, i);
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	924 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	925 Py_DECREF(selfi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	926 if (cmp > 0)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	927 count++;
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	928 else if (cmp < 0)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	929 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	930 }
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	931 return PyInt_FromSsize_t(count);
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	932 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	933
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	934 PyDoc_STRVAR(count_doc,
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	935 "count(x)\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	936 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	937 Return number of occurences of x in the array.");
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	938
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	939 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	940 array_index(arrayobject self, PyObject v)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	941 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	942 Py_ssize_t i;
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	943
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	944 for (i = 0; i < self->ob_size; i++) {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	945 PyObject selfi = getarrayitem((PyObject )self, i);
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	946 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	947 Py_DECREF(selfi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	948 if (cmp > 0) {
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	949 return PyInt_FromLong((long)i);
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	950 }
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	951 else if (cmp < 0)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	952 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	953 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	954 PyErr_SetString(PyExc_ValueError, "array.index(x): x not in list");
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	955 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	956 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	957
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	958 PyDoc_STRVAR(index_doc,
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	959 "index(x)\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	960 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	961 Return index of first occurence of x in the array.");
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	962
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	963 static int
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	964 array_contains(arrayobject self, PyObject v)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	965 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	966 Py_ssize_t i;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	967 int cmp;
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	968
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	969 for (i = 0, cmp = 0 ; cmp == 0 && i < self->ob_size; i++) {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	970 PyObject selfi = getarrayitem((PyObject )self, i);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	971 cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	972 Py_DECREF(selfi);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	973 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	974 return cmp;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	975 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	976
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	977 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	978 array_remove(arrayobject self, PyObject v)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	979 {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	980 int i;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	981
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	982 for (i = 0; i < self->ob_size; i++) {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	983 PyObject selfi = getarrayitem((PyObject )self,i);
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	984 int cmp = PyObject_RichCompareBool(selfi, v, Py_EQ);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	985 Py_DECREF(selfi);
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	986 if (cmp > 0) {
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	987 if (array_ass_slice(self, i, i+1,
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	988 (PyObject *)NULL) != 0)
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	989 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	990 Py_INCREF(Py_None);
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	991 return Py_None;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	992 }
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	993 else if (cmp < 0)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	994 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	995 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	996 PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in list");
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	997 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	998 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	999
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1000 PyDoc_STRVAR(remove_doc,
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1001 "remove(x)\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1002 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1003 Remove the first occurence of x in the array.");
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1004
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1005 static PyObject *
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1006 array_pop(arrayobject self, PyObject args)
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1007 {
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	1008 Py_ssize_t i = -1;
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1009 PyObject *v;
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	1010 if (!PyArg_ParseTuple(args, "\|n:pop", &i))
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1011 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1012 if (self->ob_size == 0) {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1013 /* Special-case most common failure cause */
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1014 PyErr_SetString(PyExc_IndexError, "pop from empty array");
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1015 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1016 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1017 if (i < 0)
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1018 i += self->ob_size;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1019 if (i < 0 \|\| i >= self->ob_size) {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1020 PyErr_SetString(PyExc_IndexError, "pop index out of range");
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1021 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1022 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1023 v = getarrayitem((PyObject *)self,i);
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1024 if (array_ass_slice(self, i, i+1, (PyObject *)NULL) != 0) {
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1025 Py_DECREF(v);
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1026 return NULL;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1027 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1028 return v;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1029 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1030
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1031 PyDoc_STRVAR(pop_doc,
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1032 "pop([i])\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1033 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1034 Return the i-th element and delete it from the array. i defaults to -1.");
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1035
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1036 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1037 array_extend(arrayobject self, PyObject bb)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1038 {
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1039 if (array_do_extend(self, bb) == -1)
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1040 return NULL;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1041 Py_INCREF(Py_None);
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1042 return Py_None;
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1043 }
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1044
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1045 PyDoc_STRVAR(extend_doc,
31660 35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	1046 "extend(array or iterable)\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1047 \n\
31660 35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	1048 Append items to the end of the array.");
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1049
eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1050 static PyObject *
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	1051 array_insert(arrayobject self, PyObject args)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1052 {
36689 11484a72d966 Convert array.array.insert to use Py_ssize_t (like the rest already does.) Thomas Wouters <thomas@python.org> parents: 36544 diff changeset	1053 Py_ssize_t i;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1054 PyObject *v;
36689 11484a72d966 Convert array.array.insert to use Py_ssize_t (like the rest already does.) Thomas Wouters <thomas@python.org> parents: 36544 diff changeset	1055 if (!PyArg_ParseTuple(args, "nO:insert", &i, &v))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1056 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1057 return ins(self, i, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1058 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1059
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1060 PyDoc_STRVAR(insert_doc,
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1061 "insert(i,x)\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1062 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1063 Insert a new item x into the array before position i.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1064
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1065
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1066 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1067 array_buffer_info(arrayobject self, PyObject unused)
5982 6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of Guido van Rossum <guido@python.org> parents: 5696 diff changeset	1068 {
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1069 PyObject* retval = NULL;
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1070 retval = PyTuple_New(2);
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1071 if (!retval)
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1072 return NULL;
13068 705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	1073
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	1074 PyTuple_SET_ITEM(retval, 0, PyLong_FromVoidPtr(self->ob_item));
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	1075 PyTuple_SET_ITEM(retval, 1, PyInt_FromLong((long)(self->ob_size)));
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	1076
705132667f7b Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12814 diff changeset	1077 return retval;
5982 6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of Guido van Rossum <guido@python.org> parents: 5696 diff changeset	1078 }
6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of Guido van Rossum <guido@python.org> parents: 5696 diff changeset	1079
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1080 PyDoc_STRVAR(buffer_info_doc,
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1081 "buffer_info() -> (address, length)\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1082 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1083 Return a tuple (address, length) giving the current memory address and\n\
18851 ef2031c54875 Fix buffer_info() docstring to match reality. See SF bug #444842. Guido van Rossum <guido@python.org> parents: 18036 diff changeset	1084 the length in items of the buffer used to hold array's contents\n\
ef2031c54875 Fix buffer_info() docstring to match reality. See SF bug #444842. Guido van Rossum <guido@python.org> parents: 18036 diff changeset	1085 The length should be multiplied by the itemsize attribute to calculate\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1086 the buffer length in bytes.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1087
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1088
5982 6aebd970b7a9 Added buffer_info() method that returns address and length in bytes of Guido van Rossum <guido@python.org> parents: 5696 diff changeset	1089 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1090 array_append(arrayobject self, PyObject v)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1091 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1092 return ins(self, (int) self->ob_size, v);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1093 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1094
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1095 PyDoc_STRVAR(append_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1096 "append(x)\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1097 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1098 Append new value x to the end of the array.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1099
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1100
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1101 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1102 array_byteswap(arrayobject self, PyObject unused)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1103 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1104 char *p;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1105 Py_ssize_t i;
11522 cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter Fred Drake <fdrake@acm.org> parents: 11242 diff changeset	1106
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1107 switch (self->ob_descr->itemsize) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1108 case 1:
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1109 break;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1110 case 2:
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1111 for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 2) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1112 char p0 = p[0];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1113 p[0] = p[1];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1114 p[1] = p0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1115 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1116 break;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1117 case 4:
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1118 for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 4) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1119 char p0 = p[0];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1120 char p1 = p[1];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1121 p[0] = p[3];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1122 p[1] = p[2];
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1123 p[2] = p1;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1124 p[3] = p0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1125 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1126 break;
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1127 case 8:
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1128 for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 8) {
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1129 char p0 = p[0];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1130 char p1 = p[1];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1131 char p2 = p[2];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1132 char p3 = p[3];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1133 p[0] = p[7];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1134 p[1] = p[6];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1135 p[2] = p[5];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1136 p[3] = p[4];
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1137 p[4] = p3;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1138 p[5] = p2;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1139 p[6] = p1;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1140 p[7] = p0;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1141 }
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1142 break;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1143 default:
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1144 PyErr_SetString(PyExc_RuntimeError,
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1145 "don't know how to byteswap this array type");
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1146 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1147 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1148 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1149 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1150 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1151
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1152 PyDoc_STRVAR(byteswap_doc,
11522 cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter Fred Drake <fdrake@acm.org> parents: 11242 diff changeset	1153 "byteswap()\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1154 \n\
11522 cbf58cd0bb57 Correct the docstring for byteswap(); error noted by Bernhard Reiter Fred Drake <fdrake@acm.org> parents: 11242 diff changeset	1155 Byteswap all items of the array. If the items in the array are not 1, 2,\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1156 4, or 8 bytes in size, RuntimeError is raised.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1157
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1158 static PyObject *
34174 30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1159 array_reduce(arrayobject *array)
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1160 {
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1161 PyObject dict, result;
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1162
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1163 dict = PyObject_GetAttrString((PyObject *)array, "__dict__");
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1164 if (dict == NULL) {
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1165 PyErr_Clear();
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1166 dict = Py_None;
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1167 Py_INCREF(dict);
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1168 }
41359 f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1169 if (array->ob_size > 0) {
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1170 if (array->ob_descr->itemsize
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1171 > PY_SSIZE_T_MAX / array->ob_size) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1172 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1173 }
41359 f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1174 result = Py_BuildValue("O(cs#)O",
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1175 array->ob_type,
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1176 array->ob_descr->typecode,
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1177 array->ob_item,
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1178 array->ob_size * array->ob_descr->itemsize,
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1179 dict);
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1180 } else {
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1181 result = Py_BuildValue("O(c)O",
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1182 array->ob_type,
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1183 array->ob_descr->typecode,
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1184 dict);
f764a7552162 SF #1693079: Cannot save empty array in shelve Raymond Hettinger <python@rcn.com> parents: 40682 diff changeset	1185 }
34174 30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1186 Py_DECREF(dict);
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1187 return result;
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1188 }
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1189
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1190 PyDoc_STRVAR(array_doc, "Return state information for pickling.");
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1191
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1192 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1193 array_reverse(arrayobject self, PyObject unused)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1194 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1195 register Py_ssize_t itemsize = self->ob_descr->itemsize;
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1196 register char p, q;
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1197 /* little buffer to hold items while swapping */
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1198 char tmp[256]; /* 8 is probably enough -- but why skimp */
37847 12ab20cd7c27 C++ compiler cleanup: a cast here, a cast there... still does not compile under C++ though... Skip Montanaro <skip@pobox.com> parents: 37756 diff changeset	1199 assert((size_t)itemsize <= sizeof(tmp));
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1200
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1201 if (self->ob_size > 1) {
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1202 for (p = self->ob_item,
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1203 q = self->ob_item + (self->ob_size - 1)*itemsize;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1204 p < q;
7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1205 p += itemsize, q -= itemsize) {
14649 1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1206 /* memory areas guaranteed disjoint, so memcpy
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1207 * is safe (& memmove may be slower).
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1208 */
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1209 memcpy(tmp, p, itemsize);
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1210 memcpy(p, q, itemsize);
1ec6c63347ea arraymodule: Fix SF bug 113960. Tim Peters <tim.peters@gmail.com> parents: 14499 diff changeset	1211 memcpy(q, tmp, itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1212 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1213 }
14499 7f23ec5cd9ca General cleanup in preparation for a bugfix: removed unused code, useless Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	1214
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1215 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1216 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1217 }
1393 7d6a2d950f13 * nismodule.c: database keys and values can contain null bytes. be more Guido van Rossum <guido@python.org> parents: 1391 diff changeset	1218
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1219 PyDoc_STRVAR(reverse_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1220 "reverse()\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1221 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1222 Reverse the order of the items in the array.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1223
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1224 static PyObject *
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	1225 array_fromfile(arrayobject self, PyObject args)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1226 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1227 PyObject *f;
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	1228 Py_ssize_t n;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1229 FILE *fp;
36529 442c0fb3c4ed Use correct format specifier for Py_ssize_t variable to PyArg_ParseTuple(). Thomas Wouters <thomas@python.org> parents: 36518 diff changeset	1230 if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1231 return NULL;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1232 fp = PyFile_AsFile(f);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1233 if (fp == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1234 PyErr_SetString(PyExc_TypeError, "arg1 must be open file");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1235 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1236 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1237 if (n > 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1238 char *item = self->ob_item;
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	1239 Py_ssize_t itemsize = self->ob_descr->itemsize;
13081 0acec211a209 Trent Mick: use size_t instead of int where appropriate (in Guido van Rossum <guido@python.org> parents: 13068 diff changeset	1240 size_t nread;
36518 9f3f87e920a6 Use Py_ssize_t for counts and sizes. Martin v. Löwis <martin@v.loewis.de> parents: 36501 diff changeset	1241 Py_ssize_t newlength;
10283 d3bece46486e Carefully check for overflow when allocating the memory for fromfile Guido van Rossum <guido@python.org> parents: 9588 diff changeset	1242 size_t newbytes;
d3bece46486e Carefully check for overflow when allocating the memory for fromfile Guido van Rossum <guido@python.org> parents: 9588 diff changeset	1243 /* Be careful here about overflow */
d3bece46486e Carefully check for overflow when allocating the memory for fromfile Guido van Rossum <guido@python.org> parents: 9588 diff changeset	1244 if ((newlength = self->ob_size + n) <= 0 \|\|
10434 a4768315948d Use an unsigned cast to avoid a warning in VC++. Guido van Rossum <guido@python.org> parents: 10283 diff changeset	1245 (newbytes = newlength * itemsize) / itemsize !=
a4768315948d Use an unsigned cast to avoid a warning in VC++. Guido van Rossum <guido@python.org> parents: 10283 diff changeset	1246 (size_t)newlength)
10283 d3bece46486e Carefully check for overflow when allocating the memory for fromfile Guido van Rossum <guido@python.org> parents: 9588 diff changeset	1247 goto nomem;
d3bece46486e Carefully check for overflow when allocating the memory for fromfile Guido van Rossum <guido@python.org> parents: 9588 diff changeset	1248 PyMem_RESIZE(item, char, newbytes);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1249 if (item == NULL) {
10283 d3bece46486e Carefully check for overflow when allocating the memory for fromfile Guido van Rossum <guido@python.org> parents: 9588 diff changeset	1250 nomem:
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1251 PyErr_NoMemory();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1252 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1253 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1254 self->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1255 self->ob_size += n;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1256 self->allocated = self->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1257 nread = fread(item + (self->ob_size - n) * itemsize,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1258 itemsize, n, fp);
13081 0acec211a209 Trent Mick: use size_t instead of int where appropriate (in Guido van Rossum <guido@python.org> parents: 13068 diff changeset	1259 if (nread < (size_t)n) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1260 self->ob_size -= (n - nread);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1261 PyMem_RESIZE(item, char, self->ob_size*itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1262 self->ob_item = item;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1263 self->allocated = self->ob_size;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1264 PyErr_SetString(PyExc_EOFError,
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1265 "not enough items in file");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1266 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1267 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1268 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1269 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1270 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1271 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1272
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1273 PyDoc_STRVAR(fromfile_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1274 "fromfile(f, n)\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1275 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1276 Read n objects from the file object f and append them to the end of the\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1277 array. Also called as read.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1278
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1279
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1280 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1281 array_tofile(arrayobject self, PyObject f)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1282 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1283 FILE *fp;
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1284
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1285 fp = PyFile_AsFile(f);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1286 if (fp == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1287 PyErr_SetString(PyExc_TypeError, "arg must be open file");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1288 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1289 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1290 if (self->ob_size > 0) {
13942 31b25ac1f019 Use safer comparisons (only matters when sizeof(int) != sizeof(size_t)). fread Trent Mick <trentm@activestate.com> parents: 13792 diff changeset	1291 if (fwrite(self->ob_item, self->ob_descr->itemsize,
31b25ac1f019 Use safer comparisons (only matters when sizeof(int) != sizeof(size_t)). fread Trent Mick <trentm@activestate.com> parents: 13792 diff changeset	1292 self->ob_size, fp) != (size_t)self->ob_size) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1293 PyErr_SetFromErrno(PyExc_IOError);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1294 clearerr(fp);
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1295 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1296 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1297 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1298 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1299 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1300 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1301
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1302 PyDoc_STRVAR(tofile_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1303 "tofile(f)\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1304 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1305 Write all items (as machine values) to the file object f. Also called as\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1306 write.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1307
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1308
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1309 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1310 array_fromlist(arrayobject self, PyObject list)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1311 {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1312 Py_ssize_t n;
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1313 Py_ssize_t itemsize = self->ob_descr->itemsize;
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1314
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1315 if (!PyList_Check(list)) {
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1316 PyErr_SetString(PyExc_TypeError, "arg must be list");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1317 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1318 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1319 n = PyList_Size(list);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1320 if (n > 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1321 char *item = self->ob_item;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1322 Py_ssize_t i;
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1323 PyMem_RESIZE(item, char, (self->ob_size + n) * itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1324 if (item == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1325 PyErr_NoMemory();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1326 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1327 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1328 self->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1329 self->ob_size += n;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1330 self->allocated = self->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1331 for (i = 0; i < n; i++) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1332 PyObject *v = PyList_GetItem(list, i);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1333 if ((*self->ob_descr->setitem)(self,
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1334 self->ob_size - n + i, v) != 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1335 self->ob_size -= n;
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1336 if (itemsize && (self->ob_size > PY_SSIZE_T_MAX / itemsize)) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1337 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1338 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1339 PyMem_RESIZE(item, char,
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1340 self->ob_size * itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1341 self->ob_item = item;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1342 self->allocated = self->ob_size;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1343 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1344 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1345 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1346 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1347 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1348 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1349 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1350
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1351 PyDoc_STRVAR(fromlist_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1352 "fromlist(list)\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1353 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1354 Append items to array from list.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1355
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1356
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1357 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1358 array_tolist(arrayobject self, PyObject unused)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1359 {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1360 PyObject *list = PyList_New(self->ob_size);
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1361 Py_ssize_t i;
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1362
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1363 if (list == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1364 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1365 for (i = 0; i < self->ob_size; i++) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1366 PyObject v = getarrayitem((PyObject )self, i);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1367 if (v == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1368 Py_DECREF(list);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1369 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1370 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1371 PyList_SetItem(list, i, v);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1372 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1373 return list;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1374 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1375
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1376 PyDoc_STRVAR(tolist_doc,
9360 4c23ae6c6e82 ACK! There was still an unescaped newline in a docstring. Guido van Rossum <guido@python.org> parents: 9343 diff changeset	1377 "tolist() -> list\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1378 \n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1379 Convert array to an ordinary list with the same items.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1380
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1381
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1382 static PyObject *
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	1383 array_fromstring(arrayobject self, PyObject args)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1384 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1385 char *str;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1386 Py_ssize_t n;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1387 int itemsize = self->ob_descr->itemsize;
13773 b6d93dba120e replaced PyArgs_Parse by PyArgs_ParseTuple Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13772 diff changeset	1388 if (!PyArg_ParseTuple(args, "s#:fromstring", &str, &n))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1389 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1390 if (n % itemsize != 0) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1391 PyErr_SetString(PyExc_ValueError,
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1392 "string length not a multiple of item size");
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1393 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1394 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1395 n = n / itemsize;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1396 if (n > 0) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1397 char *item = self->ob_item;
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1398 if ((n > PY_SSIZE_T_MAX - self->ob_size) \|\|
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1399 ((self->ob_size + n) > PY_SSIZE_T_MAX / itemsize)) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1400 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1401 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1402 PyMem_RESIZE(item, char, (self->ob_size + n) * itemsize);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1403 if (item == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1404 PyErr_NoMemory();
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1405 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1406 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1407 self->ob_item = item;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1408 self->ob_size += n;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1409 self->allocated = self->ob_size;
4634 9facbab152cd Removed some unneeded header files and reedited with a fixed-width font Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4628 diff changeset	1410 memcpy(item + (self->ob_size - n) * itemsize,
9facbab152cd Removed some unneeded header files and reedited with a fixed-width font Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4628 diff changeset	1411 str, itemsize*n);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1412 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1413 Py_INCREF(Py_None);
7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1414 return Py_None;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1415 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1416
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1417 PyDoc_STRVAR(fromstring_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1418 "fromstring(string)\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1419 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1420 Appends items from the string, interpreting it as an array of machine\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1421 values,as if it had been read from a file using the fromfile() method).");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1422
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1423
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1424 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1425 array_tostring(arrayobject self, PyObject unused)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1426 {
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1427 if (self->ob_size <= PY_SSIZE_T_MAX / self->ob_descr->itemsize) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1428 return PyString_FromStringAndSize(self->ob_item,
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1429 self->ob_size * self->ob_descr->itemsize);
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1430 } else {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1431 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1432 }
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1433 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1434
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1435 PyDoc_STRVAR(tostring_doc,
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1436 "tostring() -> string\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1437 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1438 Convert the array to an array of machine values and return the string\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1439 representation.");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1440
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1441
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1442
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1443 #ifdef Py_USING_UNICODE
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1444 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1445 array_fromunicode(arrayobject self, PyObject args)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1446 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1447 Py_UNICODE *ustr;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1448 Py_ssize_t n;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1449
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1450 if (!PyArg_ParseTuple(args, "u#:fromunicode", &ustr, &n))
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1451 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1452 if (self->ob_descr->typecode != 'u') {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1453 PyErr_SetString(PyExc_ValueError,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1454 "fromunicode() may only be called on "
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1455 "type 'u' arrays");
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1456 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1457 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1458 if (n > 0) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1459 Py_UNICODE item = (Py_UNICODE ) self->ob_item;
45337 8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1460 if (self->ob_size > PY_SSIZE_T_MAX - n) {
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1461 return PyErr_NoMemory();
8cbe0bd93c28 Added checks for integer overflows, contributed by Google. Some are Martin v. Löwis <martin@v.loewis.de> parents: 41361 diff changeset	1462 }
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1463 PyMem_RESIZE(item, Py_UNICODE, self->ob_size + n);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1464 if (item == NULL) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1465 PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1466 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1467 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1468 self->ob_item = (char *) item;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1469 self->ob_size += n;
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1470 self->allocated = self->ob_size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1471 memcpy(item + self->ob_size - n,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1472 ustr, n * sizeof(Py_UNICODE));
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1473 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1474
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1475 Py_INCREF(Py_None);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1476 return Py_None;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1477 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1478
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1479 PyDoc_STRVAR(fromunicode_doc,
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1480 "fromunicode(ustr)\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1481 \n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1482 Extends this array with data from the unicode string ustr.\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1483 The array must be a type 'u' array; otherwise a ValueError\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1484 is raised. Use array.fromstring(ustr.decode(...)) to\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1485 append Unicode data to an array of some other type.");
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1486
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1487
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1488 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1489 array_tounicode(arrayobject self, PyObject unused)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1490 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1491 if (self->ob_descr->typecode != 'u') {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1492 PyErr_SetString(PyExc_ValueError,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1493 "tounicode() may only be called on type 'u' arrays");
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1494 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1495 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1496 return PyUnicode_FromUnicode((Py_UNICODE *) self->ob_item, self->ob_size);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1497 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1498
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1499 PyDoc_STRVAR(tounicode_doc,
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1500 "tounicode() -> unicode\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1501 \n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1502 Convert the array to a unicode string. The array must be\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1503 a type 'u' array; otherwise a ValueError is raised. Use\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1504 array.tostring().decode() to obtain a unicode string from\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1505 an array of some other type.");
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1506
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1507 #endif /* Py_USING_UNICODE */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1508
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1509
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1510 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1511 array_get_typecode(arrayobject a, void closure)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1512 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1513 char tc = a->ob_descr->typecode;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1514 return PyString_FromStringAndSize(&tc, 1);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1515 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1516
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1517 static PyObject *
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1518 array_get_itemsize(arrayobject a, void closure)
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1519 {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1520 return PyInt_FromLong((long)a->ob_descr->itemsize);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1521 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1522
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1523 static PyGetSetDef array_getsets [] = {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1524 {"typecode", (getter) array_get_typecode, NULL,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1525 "the typecode character used to create the array"},
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1526 {"itemsize", (getter) array_get_itemsize, NULL,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1527 "the size, in bytes, of one array item"},
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1528 {NULL}
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1529 };
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1530
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1531 PyMethodDef array_methods[] = {
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1532 {"append", (PyCFunction)array_append, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1533 append_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1534 {"buffer_info", (PyCFunction)array_buffer_info, METH_NOARGS,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1535 buffer_info_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1536 {"byteswap", (PyCFunction)array_byteswap, METH_NOARGS,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1537 byteswap_doc},
31651 35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	1538 {"__copy__", (PyCFunction)array_copy, METH_NOARGS,
35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	1539 copy_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1540 {"count", (PyCFunction)array_count, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1541 count_doc},
39653 a88bc3bad651 Fix SF bug #1545837: array.array borks on deepcopy. Thomas Wouters <thomas@python.org> parents: 39463 diff changeset	1542 {"__deepcopy__",(PyCFunction)array_copy, METH_O,
31651 35cb8114b45c SF bug #910986: copy.copy fails for array.array Raymond Hettinger <python@rcn.com> parents: 30683 diff changeset	1543 copy_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1544 {"extend", (PyCFunction)array_extend, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1545 extend_doc},
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1546 {"fromfile", (PyCFunction)array_fromfile, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1547 fromfile_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1548 {"fromlist", (PyCFunction)array_fromlist, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1549 fromlist_doc},
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1550 {"fromstring", (PyCFunction)array_fromstring, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1551 fromstring_doc},
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1552 #ifdef Py_USING_UNICODE
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1553 {"fromunicode", (PyCFunction)array_fromunicode, METH_VARARGS,
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1554 fromunicode_doc},
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1555 #endif
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1556 {"index", (PyCFunction)array_index, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1557 index_doc},
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1558 {"insert", (PyCFunction)array_insert, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1559 insert_doc},
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1560 {"pop", (PyCFunction)array_pop, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1561 pop_doc},
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1562 {"read", (PyCFunction)array_fromfile, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1563 fromfile_doc},
34174 30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1564 {"__reduce__", (PyCFunction)array_reduce, METH_NOARGS,
30b97c1bb12d SF #1085304: Make array.array pickle-able Raymond Hettinger <python@rcn.com> parents: 33316 diff changeset	1565 array_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1566 {"remove", (PyCFunction)array_remove, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1567 remove_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1568 {"reverse", (PyCFunction)array_reverse, METH_NOARGS,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1569 reverse_doc},
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1570 /* {"sort", (PyCFunction)array_sort, METH_VARARGS,
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1571 sort_doc},*/
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1572 {"tofile", (PyCFunction)array_tofile, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1573 tofile_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1574 {"tolist", (PyCFunction)array_tolist, METH_NOARGS,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1575 tolist_doc},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1576 {"tostring", (PyCFunction)array_tostring, METH_NOARGS,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1577 tostring_doc},
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1578 #ifdef Py_USING_UNICODE
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1579 {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1580 tounicode_doc},
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1581 #endif
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 24471 diff changeset	1582 {"write", (PyCFunction)array_tofile, METH_O,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1583 tofile_doc},
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1584 {NULL, NULL} /* sentinel */
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1585 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1586
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1587 static PyObject *
13590 c503d8e474b3 ANSI-fication (got lost in the deep seas of source forge <wink>) Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13447 diff changeset	1588 array_repr(arrayobject *a)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1589 {
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1590 char buf[256], typecode;
28742 bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1591 PyObject s, t, *v = NULL;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1592 Py_ssize_t len;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1593
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1594 len = a->ob_size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1595 typecode = a->ob_descr->typecode;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1596 if (len == 0) {
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1597 PyOS_snprintf(buf, sizeof(buf), "array('%c')", typecode);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1598 return PyString_FromString(buf);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1599 }
28742 bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1600
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1601 if (typecode == 'c')
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1602 v = array_tostring(a, NULL);
23433 fb64f21176af array_tounicode isn't defined in --disable-unicode builds... Michael W. Hudson <mwh@python.net> parents: 23365 diff changeset	1603 #ifdef Py_USING_UNICODE
28742 bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1604 else if (typecode == 'u')
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1605 v = array_tounicode(a, NULL);
23433 fb64f21176af array_tounicode isn't defined in --disable-unicode builds... Michael W. Hudson <mwh@python.net> parents: 23365 diff changeset	1606 #endif
28742 bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1607 else
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1608 v = array_tolist(a, NULL);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1609 t = PyObject_Repr(v);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1610 Py_XDECREF(v);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1611
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1612 PyOS_snprintf(buf, sizeof(buf), "array('%c', ", typecode);
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1613 s = PyString_FromString(buf);
28742 bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1614 PyString_ConcatAndDel(&s, t);
bd678e65f784 SF Patch 685051: fix for 680789: reprs in arraymodule Raymond Hettinger <python@rcn.com> parents: 28320 diff changeset	1615 PyString_ConcatAndDel(&s, PyString_FromString(")"));
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1616 return s;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1617 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1618
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1619 static PyObject*
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1620 array_subscr(arrayobject* self, PyObject* item)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1621 {
39463 6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping. Neal Norwitz <nnorwitz@gmail.com> parents: 39445 diff changeset	1622 if (PyIndex_Check(item)) {
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping. Neal Norwitz <nnorwitz@gmail.com> parents: 39445 diff changeset	1623 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
36882 6a9c7165b17b Checking in the code for PEP 357. Guido van Rossum <guido@python.org> parents: 36877 diff changeset	1624 if (i==-1 && PyErr_Occurred()) {
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1625 return NULL;
36882 6a9c7165b17b Checking in the code for PEP 357. Guido van Rossum <guido@python.org> parents: 36877 diff changeset	1626 }
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1627 if (i < 0)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1628 i += self->ob_size;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1629 return array_item(self, i);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1630 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1631 else if (PySlice_Check(item)) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1632 Py_ssize_t start, stop, step, slicelength, cur, i;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1633 PyObject* result;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1634 arrayobject* ar;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1635 int itemsize = self->ob_descr->itemsize;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1636
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1637 if (PySlice_GetIndicesEx((PySliceObject*)item, self->ob_size,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1638 &start, &stop, &step, &slicelength) < 0) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1639 return NULL;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1640 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1641
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1642 if (slicelength <= 0) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1643 return newarrayobject(&Arraytype, 0, self->ob_descr);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1644 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1645 else {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1646 result = newarrayobject(&Arraytype, slicelength, self->ob_descr);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1647 if (!result) return NULL;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1648
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1649 ar = (arrayobject*)result;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1650
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1651 for (cur = start, i = 0; i < slicelength;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1652 cur += step, i++) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1653 memcpy(ar->ob_item + i*itemsize,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1654 self->ob_item + cur*itemsize,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1655 itemsize);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1656 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1657
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1658 return result;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1659 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1660 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1661 else {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1662 PyErr_SetString(PyExc_TypeError,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1663 "list indices must be integers");
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1664 return NULL;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1665 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1666 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1667
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1668 static int
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1669 array_ass_subscr(arrayobject* self, PyObject* item, PyObject* value)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1670 {
39463 6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping. Neal Norwitz <nnorwitz@gmail.com> parents: 39445 diff changeset	1671 if (PyIndex_Check(item)) {
6cafdc81cfde Patch #1538606, Patch to fix __index__() clipping. Neal Norwitz <nnorwitz@gmail.com> parents: 39445 diff changeset	1672 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
36882 6a9c7165b17b Checking in the code for PEP 357. Guido van Rossum <guido@python.org> parents: 36877 diff changeset	1673 if (i==-1 && PyErr_Occurred())
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1674 return -1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1675 if (i < 0)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1676 i += self->ob_size;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1677 return array_ass_item(self, i, value);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1678 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1679 else if (PySlice_Check(item)) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1680 Py_ssize_t start, stop, step, slicelength;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1681 int itemsize = self->ob_descr->itemsize;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1682
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1683 if (PySlice_GetIndicesEx((PySliceObject*)item, self->ob_size,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1684 &start, &stop, &step, &slicelength) < 0) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1685 return -1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1686 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1687
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1688 /* treat A[slice(a,b)] = v _exactly_ like A[a:b] = v */
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1689 if (step == 1 && ((PySliceObject*)item)->step == Py_None)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1690 return array_ass_slice(self, start, stop, value);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1691
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1692 if (value == NULL) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1693 /* delete slice */
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1694 Py_ssize_t cur, i, extra;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1695
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1696 if (slicelength <= 0)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1697 return 0;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1698
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1699 if (step < 0) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1700 stop = start + 1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1701 start = stop + step*(slicelength - 1) - 1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1702 step = -step;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1703 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1704
24424 f4cd78b3b774 Fix for Michael W. Hudson <mwh@python.net> parents: 24283 diff changeset	1705 for (cur = start, i = 0; i < slicelength - 1;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1706 cur += step, i++) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1707 memmove(self->ob_item + (cur - i)*itemsize,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1708 self->ob_item + (cur + 1)*itemsize,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1709 (step - 1) * itemsize);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1710 }
24424 f4cd78b3b774 Fix for Michael W. Hudson <mwh@python.net> parents: 24283 diff changeset	1711 extra = self->ob_size - (cur + 1);
f4cd78b3b774 Fix for Michael W. Hudson <mwh@python.net> parents: 24283 diff changeset	1712 if (extra > 0) {
f4cd78b3b774 Fix for Michael W. Hudson <mwh@python.net> parents: 24283 diff changeset	1713 memmove(self->ob_item + (cur - i)*itemsize,
f4cd78b3b774 Fix for Michael W. Hudson <mwh@python.net> parents: 24283 diff changeset	1714 self->ob_item + (cur + 1)*itemsize,
f4cd78b3b774 Fix for Michael W. Hudson <mwh@python.net> parents: 24283 diff changeset	1715 extra*itemsize);
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1716 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1717
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1718 self->ob_size -= slicelength;
37847 12ab20cd7c27 C++ compiler cleanup: a cast here, a cast there... still does not compile under C++ though... Skip Montanaro <skip@pobox.com> parents: 37756 diff changeset	1719 self->ob_item = (char *)PyMem_REALLOC(self->ob_item,
12ab20cd7c27 C++ compiler cleanup: a cast here, a cast there... still does not compile under C++ though... Skip Montanaro <skip@pobox.com> parents: 37756 diff changeset	1720 itemsize*self->ob_size);
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1721 self->allocated = self->ob_size;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1722
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1723 return 0;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1724 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1725 else {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1726 /* assign slice */
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1727 Py_ssize_t cur, i;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1728 arrayobject* av;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1729
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1730 if (!array_Check(value)) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1731 PyErr_Format(PyExc_TypeError,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1732 "must assign array (not \"%.200s\") to slice",
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1733 value->ob_type->tp_name);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1734 return -1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1735 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1736
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1737 av = (arrayobject*)value;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1738
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1739 if (av->ob_size != slicelength) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1740 PyErr_Format(PyExc_ValueError,
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1741 "attempt to assign array of size %ld to extended slice of size %ld",
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1742 /XXX/(long)av->ob_size, /XXX/(long)slicelength);
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1743 return -1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1744 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1745
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1746 if (!slicelength)
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1747 return 0;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1748
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1749 /* protect against a[::-1] = a */
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1750 if (self == av) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1751 value = array_slice(av, 0, av->ob_size);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1752 av = (arrayobject*)value;
39445 e11caad7e029 Klocwork made another run and found a bunch more problems. Neal Norwitz <nnorwitz@gmail.com> parents: 38716 diff changeset	1753 if (!av)
e11caad7e029 Klocwork made another run and found a bunch more problems. Neal Norwitz <nnorwitz@gmail.com> parents: 38716 diff changeset	1754 return -1;
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1755 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1756 else {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1757 Py_INCREF(value);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1758 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1759
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1760 for (cur = start, i = 0; i < slicelength;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1761 cur += step, i++) {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1762 memcpy(self->ob_item + cur*itemsize,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1763 av->ob_item + i*itemsize,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1764 itemsize);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1765 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1766
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1767 Py_DECREF(value);
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1768
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1769 return 0;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1770 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1771 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1772 else {
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1773 PyErr_SetString(PyExc_TypeError,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1774 "list indices must be integers");
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1775 return -1;
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1776 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1777 }
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1778
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1779 static PyMappingMethods array_as_mapping = {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1780 (lenfunc)array_length,
23929 26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1781 (binaryfunc)array_subscr,
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1782 (objobjargproc)array_ass_subscr
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1783 };
26ba17b758b9 Fix the bug described in Michael W. Hudson <mwh@python.net> parents: 23832 diff changeset	1784
41361 4a03860ae08b Array module's buffer interface can now handle empty arrays. Raymond Hettinger <python@rcn.com> parents: 41359 diff changeset	1785 static const void *emptybuf = "";
4a03860ae08b Array module's buffer interface can now handle empty arrays. Raymond Hettinger <python@rcn.com> parents: 41359 diff changeset	1786
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1787 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1788 array_buffer_getreadbuf(arrayobject self, Py_ssize_t index, const void *ptr)
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1789 {
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1790 if ( index != 0 ) {
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1791 PyErr_SetString(PyExc_SystemError,
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1792 "Accessing non-existent array segment");
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1793 return -1;
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1794 }
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1795 ptr = (void )self->ob_item;
41361 4a03860ae08b Array module's buffer interface can now handle empty arrays. Raymond Hettinger <python@rcn.com> parents: 41359 diff changeset	1796 if (*ptr == NULL)
4a03860ae08b Array module's buffer interface can now handle empty arrays. Raymond Hettinger <python@rcn.com> parents: 41359 diff changeset	1797 *ptr = emptybuf;
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1798 return self->ob_size*self->ob_descr->itemsize;
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1799 }
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1800
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1801 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1802 array_buffer_getwritebuf(arrayobject self, Py_ssize_t index, const void *ptr)
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1803 {
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1804 if ( index != 0 ) {
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1805 PyErr_SetString(PyExc_SystemError,
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1806 "Accessing non-existent array segment");
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1807 return -1;
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1808 }
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1809 ptr = (void )self->ob_item;
41361 4a03860ae08b Array module's buffer interface can now handle empty arrays. Raymond Hettinger <python@rcn.com> parents: 41359 diff changeset	1810 if (*ptr == NULL)
4a03860ae08b Array module's buffer interface can now handle empty arrays. Raymond Hettinger <python@rcn.com> parents: 41359 diff changeset	1811 *ptr = emptybuf;
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1812 return self->ob_size*self->ob_descr->itemsize;
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1813 }
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1814
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1815 static Py_ssize_t
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1816 array_buffer_getsegcount(arrayobject self, Py_ssize_t lenp)
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1817 {
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1818 if ( lenp )
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1819 lenp = self->ob_sizeself->ob_descr->itemsize;
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1820 return 1;
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1821 }
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1822
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1823 static PySequenceMethods array_as_sequence = {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1824 (lenfunc)array_length, /sq_length/
4634 9facbab152cd Removed some unneeded header files and reedited with a fixed-width font Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4628 diff changeset	1825 (binaryfunc)array_concat, /sq_concat/
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1826 (ssizeargfunc)array_repeat, /sq_repeat/
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1827 (ssizeargfunc)array_item, /sq_item/
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1828 (ssizessizeargfunc)array_slice, /sq_slice/
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1829 (ssizeobjargproc)array_ass_item, /sq_ass_item/
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1830 (ssizessizeobjargproc)array_ass_slice, /sq_ass_slice/
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	1831 (objobjproc)array_contains, /sq_contains/
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1832 (binaryfunc)array_inplace_concat, /sq_inplace_concat/
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1833 (ssizeargfunc)array_inplace_repeat /sq_inplace_repeat/
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1834 };
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1835
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1836 static PyBufferProcs array_as_buffer = {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1837 (readbufferproc)array_buffer_getreadbuf,
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1838 (writebufferproc)array_buffer_getwritebuf,
7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1839 (segcountproc)array_buffer_getsegcount,
38676 5bc7272b81e5 Buffer objects would return the read or write buffer for a wrapped object when Brett Cannon <bcannon@gmail.com> parents: 38353 diff changeset	1840 NULL,
5410 3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1841 };
3b2fda31bf1b Checkin of Jack's buffer mods. Guido van Rossum <guido@python.org> parents: 5318 diff changeset	1842
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1843 static PyObject *
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1844 array_new(PyTypeObject type, PyObject args, PyObject *kwds)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1845 {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1846 char c;
33316 0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1847 PyObject initial = NULL, it = NULL;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1848 struct arraydescr *descr;
35449 1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 34174 diff changeset	1849
40682 77e0f4718a7c Bug #1486663: don't reject keyword arguments for subclasses of builtin Georg Brandl <georg@python.org> parents: 39653 diff changeset	1850 if (type == &Arraytype && !_PyArg_NoKeywords("array.array()", kwds))
35449 1fdfd0130e28 Disallow keyword arguments for type constructors that don't use them. Georg Brandl <georg@python.org> parents: 34174 diff changeset	1851 return NULL;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1852
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1853 if (!PyArg_ParseTuple(args, "c\|O:array", &c, &initial))
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1854 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1855
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1856 if (!(initial == NULL \|\| PyList_Check(initial)
28760 22d177682ae1 SF 686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 28742 diff changeset	1857 \|\| PyString_Check(initial) \|\| PyTuple_Check(initial)
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1858 \|\| (c == 'u' && PyUnicode_Check(initial)))) {
33316 0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1859 it = PyObject_GetIter(initial);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1860 if (it == NULL)
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1861 return NULL;
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1862 /* We set initial to NULL so that the subsequent code
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1863 will create an empty array of the appropriate type
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1864 and afterwards we can use array_iter_extend to populate
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1865 the array.
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1866 */
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1867 initial = NULL;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1868 }
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1869 for (descr = descriptors; descr->typecode != '\0'; descr++) {
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1870 if (descr->typecode == c) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1871 PyObject *a;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1872 Py_ssize_t len;
28760 22d177682ae1 SF 686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 28742 diff changeset	1873
22d177682ae1 SF 686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 28742 diff changeset	1874 if (initial == NULL \|\| !(PyList_Check(initial)
22d177682ae1 SF 686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 28742 diff changeset	1875 \|\| PyTuple_Check(initial)))
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1876 len = 0;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1877 else
28760 22d177682ae1 SF 686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 28742 diff changeset	1878 len = PySequence_Size(initial);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1879
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1880 a = newarrayobject(type, len, descr);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1881 if (a == NULL)
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1882 return NULL;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1883
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1884 if (len > 0) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1885 Py_ssize_t i;
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1886 for (i = 0; i < len; i++) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1887 PyObject *v =
28760 22d177682ae1 SF 686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 28742 diff changeset	1888 PySequence_GetItem(initial, i);
30066 ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1889 if (v == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1890 Py_DECREF(a);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1891 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1892 }
30066 ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1893 if (setarrayitem(a, i, v) != 0) {
ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1894 Py_DECREF(v);
ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1895 Py_DECREF(a);
ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1896 return NULL;
ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1897 }
ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1898 Py_DECREF(v);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1899 }
30066 ae0242e3459e SF bug #782369: Massive memory leak in array module Raymond Hettinger <python@rcn.com> parents: 29244 diff changeset	1900 } else if (initial != NULL && PyString_Check(initial)) {
36877 e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1901 PyObject t_initial, v;
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1902 t_initial = PyTuple_Pack(1, initial);
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1903 if (t_initial == NULL) {
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1904 Py_DECREF(a);
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1905 return NULL;
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1906 }
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity. Hye-Shik Chang <hyeshik@gmail.com> parents: 36689 diff changeset	1907 v = array_fromstring((arrayobject *)a,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	1908 t_initial);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1909 Py_DECREF(t_initial);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1910 if (v == NULL) {
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1911 Py_DECREF(a);
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1912 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1913 }
4628 7df5d4cf8277 Renamed Grandly (I think). Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4600 diff changeset	1914 Py_DECREF(v);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1915 #ifdef Py_USING_UNICODE
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1916 } else if (initial != NULL && PyUnicode_Check(initial)) {
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	1917 Py_ssize_t n = PyUnicode_GET_DATA_SIZE(initial);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1918 if (n > 0) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1919 arrayobject self = (arrayobject )a;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1920 char *item = self->ob_item;
37847 12ab20cd7c27 C++ compiler cleanup: a cast here, a cast there... still does not compile under C++ though... Skip Montanaro <skip@pobox.com> parents: 37756 diff changeset	1921 item = (char *)PyMem_Realloc(item, n);
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1922 if (item == NULL) {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1923 PyErr_NoMemory();
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1924 Py_DECREF(a);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1925 return NULL;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1926 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1927 self->ob_item = item;
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1928 self->ob_size = n / sizeof(Py_UNICODE);
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1929 memcpy(item, PyUnicode_AS_DATA(initial), n);
31659 206d8575f644 Update the array overallocation scheme to match the approach used for Raymond Hettinger <python@rcn.com> parents: 31651 diff changeset	1930 self->allocated = self->ob_size;
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1931 }
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1932 #endif
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1933 }
33316 0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1934 if (it != NULL) {
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1935 if (array_iter_extend((arrayobject *)a, it) == -1) {
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1936 Py_DECREF(it);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1937 Py_DECREF(a);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1938 return NULL;
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1939 }
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1940 Py_DECREF(it);
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1941 }
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1942 return a;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1943 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1944 }
4634 9facbab152cd Removed some unneeded header files and reedited with a fixed-width font Roger E. Masse <rmasse@newcnri.cnri.reston.va.us> parents: 4628 diff changeset	1945 PyErr_SetString(PyExc_ValueError,
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1946 "bad typecode (must be c, b, B, u, h, H, i, I, l, L, f or d)");
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1947 return NULL;
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1948 }
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1949
87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	1950
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1951 PyDoc_STRVAR(module_doc,
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1952 "This module defines an object type which can efficiently represent\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1953 an array of basic values: characters, integers, floating point\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1954 numbers. Arrays are sequence types and behave very much like lists,\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1955 except that the type of objects stored in them is constrained. The\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1956 type is specified at object creation time by using a type code, which\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1957 is a single character. The following type codes are defined:\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1958 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1959 Type code C Type Minimum size in bytes \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1960 'c' character 1 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1961 'b' signed integer 1 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1962 'B' unsigned integer 1 \n\
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1963 'u' Unicode character 2 \n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1964 'h' signed integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1965 'H' unsigned integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1966 'i' signed integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1967 'I' unsigned integer 2 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1968 'l' signed integer 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1969 'L' unsigned integer 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1970 'f' floating point 4 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1971 'd' floating point 8 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1972 \n\
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1973 The constructor is:\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1974 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1975 array(typecode [, initializer]) -- create a new array\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1976 ");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1977
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	1978 PyDoc_STRVAR(arraytype_doc,
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1979 "array(typecode [, initializer]) -> array\n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1980 \n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1981 Return a new array whose items are restricted by typecode, and\n\
33316 0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1982 initialized from the optional initializer value, which must be a list,\n\
0b181bf230c9 SF feature request #992967: array.array objects should support sequences. Raymond Hettinger <python@rcn.com> parents: 32159 diff changeset	1983 string. or iterable over elements of the appropriate type.\n\
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1984 \n\
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	1985 Arrays represent basic values and behave very much like lists, except\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1986 the type of objects stored in them is constrained.\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1987 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1988 Methods:\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1989 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1990 append() -- append a new item to the end of the array\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1991 buffer_info() -- return information giving the current memory info\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1992 byteswap() -- byteswap all the items of the array\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1993 count() -- return number of occurences of an object\n\
31660 35f56e08727f SF feature request #686323: Minor array module enhancements Raymond Hettinger <python@rcn.com> parents: 31659 diff changeset	1994 extend() -- extend array by appending multiple elements from an iterable\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1995 fromfile() -- read items from a file object\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1996 fromlist() -- append items from the list\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1997 fromstring() -- append items from the string\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	1998 index() -- return index of first occurence of an object\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	1999 insert() -- insert a new item into the array at a provided position\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	2000 pop() -- remove and return item (default last)\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2001 read() -- DEPRECATED, use fromfile()\n\
13772 eea51275acbf added count, extend, index, pop and remove to arraymodule Peter Schneider-Kamp <nowonder@nowonder.de> parents: 13651 diff changeset	2002 remove() -- remove first occurence of an object\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2003 reverse() -- reverse the order of the items in the array\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2004 tofile() -- write all items to a file object\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2005 tolist() -- return the array converted to an ordinary list\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2006 tostring() -- return the array converted to a string\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2007 write() -- DEPRECATED, use tofile()\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2008 \n\
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2009 Attributes:\n\
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2010 \n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2011 typecode -- the typecode character used to create the array\n\
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2012 itemsize -- the length in bytes of one array item\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23433 diff changeset	2013 ");
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2014
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2015 static PyObject array_iter(arrayobject ao);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2016
24283 c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone. Tim Peters <tim.peters@gmail.com> parents: 24280 diff changeset	2017 static PyTypeObject Arraytype = {
11711 6546ea06e157 Patch from Paul Sokolovsky <Paul.Sokolovsky@technologist.com>: Fred Drake <fdrake@acm.org> parents: 11673 diff changeset	2018 PyObject_HEAD_INIT(NULL)
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2019 0,
21313 91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying Guido van Rossum <guido@python.org> parents: 21073 diff changeset	2020 "array.array",
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2021 sizeof(arrayobject),
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2022 0,
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2023 (destructor)array_dealloc, /* tp_dealloc */
22124 edf05c69bbf3 Remove tp_print. Martin v. Löwis <martin@v.loewis.de> parents: 22098 diff changeset	2024 0, /* tp_print */
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2025 0, /* tp_getattr */
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2026 0, /* tp_setattr */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2027 0, /* tp_compare */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2028 (reprfunc)array_repr, /* tp_repr */
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 37847 diff changeset	2029 0, /* tp_as_number*/
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 37847 diff changeset	2030 &array_as_sequence, /* tp_as_sequence*/
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 37847 diff changeset	2031 &array_as_mapping, /* tp_as_mapping*/
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2032 0, /* tp_hash */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2033 0, /* tp_call */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2034 0, /* tp_str */
27104 2443c557cbc3 Patch #661760: Cygwin auto-import module patch Jason Tishler <jason@tishler.net> parents: 27044 diff changeset	2035 PyObject_GenericGetAttr, /* tp_getattro */
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2036 0, /* tp_setattro */
18036 a02085871c3f Make it possible to find the use of tp_as_buffer here with a global search. Tim Peters <tim.peters@gmail.com> parents: 16268 diff changeset	2037 &array_as_buffer, /* tp_as_buffer*/
32159 2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	2038 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_BASETYPE \| Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
15975 54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2039 arraytype_doc, /* tp_doc */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2040 0, /* tp_traverse */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2041 0, /* tp_clear */
54205828b1e1 Same treatment as listobject.c: Guido van Rossum <guido@python.org> parents: 15396 diff changeset	2042 array_richcompare, /* tp_richcompare */
32159 2c169ca5fa69 Add weakref support to array.array and file objects. Raymond Hettinger <python@rcn.com> parents: 31660 diff changeset	2043 offsetof(arrayobject, weakreflist), /* tp_weaklistoffset */
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2044 (getiterfunc)array_iter, /* tp_iter */
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2045 0, /* tp_iternext */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2046 array_methods, /* tp_methods */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2047 0, /* tp_members */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2048 array_getsets, /* tp_getset */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2049 0, /* tp_base */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2050 0, /* tp_dict */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2051 0, /* tp_descr_get */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2052 0, /* tp_descr_set */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2053 0, /* tp_dictoffset */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2054 0, /* tp_init */
27104 2443c557cbc3 Patch #661760: Cygwin auto-import module patch Jason Tishler <jason@tishler.net> parents: 27044 diff changeset	2055 PyType_GenericAlloc, /* tp_alloc */
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2056 array_new, /* tp_new */
27104 2443c557cbc3 Patch #661760: Cygwin auto-import module patch Jason Tishler <jason@tishler.net> parents: 27044 diff changeset	2057 PyObject_Del, /* tp_free */
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2058 };
4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2059
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2060
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2061 /********************* Array Iterator ************************/
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2062
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2063 typedef struct {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2064 PyObject_HEAD
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	2065 Py_ssize_t index;
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2066 arrayobject *ao;
36501 7fdc639bc5b4 Merge ssize_t branch. Martin v. Löwis <martin@v.loewis.de> parents: 36324 diff changeset	2067 PyObject * (getitem)(struct arrayobject , Py_ssize_t);
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2068 } arrayiterobject;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2069
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2070 static PyTypeObject PyArrayIter_Type;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2071
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2072 #define PyArrayIter_Check(op) PyObject_TypeCheck(op, &PyArrayIter_Type)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2073
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2074 static PyObject *
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2075 array_iter(arrayobject *ao)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2076 {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2077 arrayiterobject *it;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2078
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2079 if (!array_Check(ao)) {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2080 PyErr_BadInternalCall();
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2081 return NULL;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2082 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2083
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2084 it = PyObject_GC_New(arrayiterobject, &PyArrayIter_Type);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2085 if (it == NULL)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2086 return NULL;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2087
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2088 Py_INCREF(ao);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2089 it->ao = ao;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2090 it->index = 0;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2091 it->getitem = ao->ob_descr->getitem;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2092 PyObject_GC_Track(it);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2093 return (PyObject *)it;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2094 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2095
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2096 static PyObject *
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2097 arrayiter_next(arrayiterobject *it)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2098 {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2099 assert(PyArrayIter_Check(it));
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2100 if (it->index < it->ao->ob_size)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2101 return (*it->getitem)(it->ao, it->index++);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2102 return NULL;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2103 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2104
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2105 static void
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2106 arrayiter_dealloc(arrayiterobject *it)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2107 {
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2108 PyObject_GC_UnTrack(it);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2109 Py_XDECREF(it->ao);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2110 PyObject_GC_Del(it);
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2111 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2112
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2113 static int
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2114 arrayiter_traverse(arrayiterobject it, visitproc visit, void arg)
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2115 {
37756 7b2e436a4a21 Use Py_VISIT in all tp_traverse methods, instead of traversing manually or Thomas Wouters <thomas@python.org> parents: 37410 diff changeset	2116 Py_VISIT(it->ao);
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2117 return 0;
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2118 }
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2119
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2120 static PyTypeObject PyArrayIter_Type = {
27804 8d1b272c9e71 Patch #676837: Cygwin array module patch Jason Tishler <jason@tishler.net> parents: 27128 diff changeset	2121 PyObject_HEAD_INIT(NULL)
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2122 0, /* ob_size */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2123 "arrayiterator", /* tp_name */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2124 sizeof(arrayiterobject), /* tp_basicsize */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2125 0, /* tp_itemsize */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2126 /* methods */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2127 (destructor)arrayiter_dealloc, /* tp_dealloc */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2128 0, /* tp_print */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2129 0, /* tp_getattr */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2130 0, /* tp_setattr */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2131 0, /* tp_compare */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2132 0, /* tp_repr */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2133 0, /* tp_as_number */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2134 0, /* tp_as_sequence */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2135 0, /* tp_as_mapping */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2136 0, /* tp_hash */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2137 0, /* tp_call */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2138 0, /* tp_str */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2139 PyObject_GenericGetAttr, /* tp_getattro */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2140 0, /* tp_setattro */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2141 0, /* tp_as_buffer */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2142 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC,/* tp_flags */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2143 0, /* tp_doc */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2144 (traverseproc)arrayiter_traverse, /* tp_traverse */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2145 0, /* tp_clear */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2146 0, /* tp_richcompare */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2147 0, /* tp_weaklistoffset */
28320 fd5ef7003469 Renamed PyObject_GenericGetIter to PyObject_SelfIter Raymond Hettinger <python@rcn.com> parents: 28309 diff changeset	2148 PyObject_SelfIter, /* tp_iter */
27128 047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2149 (iternextfunc)arrayiter_next, /* tp_iternext */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2150 0, /* tp_methods */
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2151 };
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2152
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2153
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2154 /********************* Install Module ************************/
047b6e16ab2e SF patch #662433: Fill arraymodule's tp_iter and sq_contains slots Raymond Hettinger <python@rcn.com> parents: 27104 diff changeset	2155
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2156 /* No functions in array module. */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2157 static PyMethodDef a_methods[] = {
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2158 {NULL, NULL, 0, NULL} /* Sentinel */
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2159 };
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2160
966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2161
24471 f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/. Required adding a prototype Mark Hammond <mhammond@skippinet.com.au>* parents: 24424 diff changeset	2162 PyMODINIT_FUNC
13651 8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)', Thomas Wouters <thomas@python.org> parents: 13590 diff changeset	2163 initarray(void)
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	2164 {
22722 ba68dda15df0 Use the PyModule_() API instead of manipulating the module dictionary Fred Drake <fdrake@acm.org>* parents: 22124 diff changeset	2165 PyObject *m;
11711 6546ea06e157 Patch from Paul Sokolovsky <Paul.Sokolovsky@technologist.com>: Fred Drake <fdrake@acm.org> parents: 11673 diff changeset	2166
22098 966725095854 Patch 520694: arraymodule.c improvements: Martin v. Löwis <martin@v.loewis.de> parents: 21313 diff changeset	2167 Arraytype.ob_type = &PyType_Type;
27804 8d1b272c9e71 Patch #676837: Cygwin array module patch Jason Tishler <jason@tishler.net> parents: 27128 diff changeset	2168 PyArrayIter_Type.ob_type = &PyType_Type;
9343 4f78504a5f81 Doc strings by Chris Petrilli. Guido van Rossum <guido@python.org> parents: 5982 diff changeset	2169 m = Py_InitModule3("array", a_methods, module_doc);
36324 1af7f719ed28 Check return result from Py_InitModule(). This API can fail. Neal Norwitz <nnorwitz@gmail.com>* parents: 35449 diff changeset	2170 if (m == NULL)
1af7f719ed28 Check return result from Py_InitModule(). This API can fail. Neal Norwitz <nnorwitz@gmail.com>* parents: 35449 diff changeset	2171 return;
22722 ba68dda15df0 Use the PyModule_() API instead of manipulating the module dictionary Fred Drake <fdrake@acm.org>* parents: 22124 diff changeset	2172
ba68dda15df0 Use the PyModule_() API instead of manipulating the module dictionary Fred Drake <fdrake@acm.org>* parents: 22124 diff changeset	2173 Py_INCREF((PyObject *)&Arraytype);
ba68dda15df0 Use the PyModule_() API instead of manipulating the module dictionary Fred Drake <fdrake@acm.org>* parents: 22124 diff changeset	2174 PyModule_AddObject(m, "ArrayType", (PyObject *)&Arraytype);
ba68dda15df0 Use the PyModule_() API instead of manipulating the module dictionary Fred Drake <fdrake@acm.org>* parents: 22124 diff changeset	2175 Py_INCREF((PyObject *)&Arraytype);
ba68dda15df0 Use the PyModule_() API instead of manipulating the module dictionary Fred Drake <fdrake@acm.org>* parents: 22124 diff changeset	2176 PyModule_AddObject(m, "array", (PyObject *)&Arraytype);
9362 50e0631cf117 No need to issue a fatal error if the PyDict_SetItemString fails; the Guido van Rossum <guido@python.org> parents: 9360 diff changeset	2177 /* No need to check the error here, the caller will do that */
1235 87ed00a62d31 Added new module "array" (for now optional) defining array objects. Guido van Rossum <guido@python.org> parents: diff changeset	2178 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/arraymodule.c @ 45361:4504dfcc1924 2.5