cpython-lru_cache-weakref: Modules/

annotate Modules/_struct.c @ 39496:352ffe77b71d legacy-trunk

Patch #1535500: fix segfault in BZ2File.writelines and make sure it raises the correct exceptions.

author	Georg Brandl <georg@python.org>
date	Mon, 14 Aug 2006 21:42:55 +0000
parents	9cb4565e60ca
children	a2f26f944b65 0bffca64ccc4

rev	line source
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1 /* struct module -- pack values into and (out of) strings */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	2
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	3 /* New version supporting byte order, alignment and size options,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	4 character strings, and unsigned numbers */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	5
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	6 #define PY_SSIZE_T_CLEAN
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	7
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	8 #include "Python.h"
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	9 #include "structseq.h"
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	10 #include "structmember.h"
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	11 #include <ctype.h>
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	12
38266 74c82ebc4e44 forward declaration for PyStructType Bob Ippolito <bob@redivi.com> parents: 38264 diff changeset	13 static PyTypeObject PyStructType;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	14
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	15 /* compatibility macros */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	16 #if (PY_VERSION_HEX < 0x02050000)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	17 typedef int Py_ssize_t;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	18 #endif
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	19
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	20 /* If PY_STRUCT_OVERFLOW_MASKING is defined, the struct module will wrap all input
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	21 numbers for explicit endians such that they fit in the given type, much
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	22 like explicit casting in C. A warning will be raised if the number did
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	23 not originally fit within the range of the requested type. If it is
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	24 not defined, then all range errors and overflow will be struct.error
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	25 exceptions. */
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	26
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	27 #define PY_STRUCT_OVERFLOW_MASKING 1
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	28
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	29 #ifdef PY_STRUCT_OVERFLOW_MASKING
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	30 static PyObject *pylong_ulong_mask = NULL;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	31 static PyObject *pyint_zero = NULL;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	32 #endif
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	33
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	34 /* If PY_STRUCT_FLOAT_COERCE is defined, the struct module will allow float
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	35 arguments for integer formats with a warning for backwards
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	36 compatibility. */
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	37
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	38 #define PY_STRUCT_FLOAT_COERCE 1
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	39
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	40 #ifdef PY_STRUCT_FLOAT_COERCE
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	41 #define FLOAT_COERCE "integer argument expected, got float"
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	42 #endif
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	43
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	44
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	45 /* The translation function for each format character is table driven */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	46 typedef struct _formatdef {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	47 char format;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	48 Py_ssize_t size;
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	49 Py_ssize_t alignment;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	50 PyObject* (unpack)(const char ,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	51 const struct _formatdef *);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	52 int (pack)(char , PyObject *,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	53 const struct _formatdef *);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	54 } formatdef;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	55
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	56 typedef struct _formatcode {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	57 const struct _formatdef *fmtdef;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	58 Py_ssize_t offset;
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	59 Py_ssize_t size;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	60 } formatcode;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	61
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	62 /* Struct object interface */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	63
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	64 typedef struct {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	65 PyObject_HEAD
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	66 Py_ssize_t s_size;
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	67 Py_ssize_t s_len;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	68 formatcode *s_codes;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	69 PyObject *s_format;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	70 PyObject weakreflist; / List of weak references */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	71 } PyStructObject;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	72
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	73
38267 cf5a9057ed3a fix typo in _struct Bob Ippolito <bob@redivi.com> parents: 38266 diff changeset	74 #define PyStruct_Check(op) PyObject_TypeCheck(op, &PyStructType)
cf5a9057ed3a fix typo in _struct Bob Ippolito <bob@redivi.com> parents: 38266 diff changeset	75 #define PyStruct_CheckExact(op) ((op)->ob_type == &PyStructType)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	76
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	77
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	78 /* Exception */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	79
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	80 static PyObject *StructError;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	81
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	82
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	83 /* Define various structs to figure out the alignments of types */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	84
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	85
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	86 typedef struct { char c; short x; } st_short;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	87 typedef struct { char c; int x; } st_int;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	88 typedef struct { char c; long x; } st_long;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	89 typedef struct { char c; float x; } st_float;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	90 typedef struct { char c; double x; } st_double;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	91 typedef struct { char c; void *x; } st_void_p;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	92
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	93 #define SHORT_ALIGN (sizeof(st_short) - sizeof(short))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	94 #define INT_ALIGN (sizeof(st_int) - sizeof(int))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	95 #define LONG_ALIGN (sizeof(st_long) - sizeof(long))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	96 #define FLOAT_ALIGN (sizeof(st_float) - sizeof(float))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	97 #define DOUBLE_ALIGN (sizeof(st_double) - sizeof(double))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	98 #define VOID_P_ALIGN (sizeof(st_void_p) - sizeof(void *))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	99
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	100 /* We can't support q and Q in native mode unless the compiler does;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	101 in std mode, they're 8 bytes on all platforms. */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	102 #ifdef HAVE_LONG_LONG
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	103 typedef struct { char c; PY_LONG_LONG x; } s_long_long;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	104 #define LONG_LONG_ALIGN (sizeof(s_long_long) - sizeof(PY_LONG_LONG))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	105 #endif
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	106
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	107 #define STRINGIFY(x) #x
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	108
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	109 #ifdef __powerc
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	110 #pragma options align=reset
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	111 #endif
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	112
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	113 /* Helper to get a PyLongObject by hook or by crook. Caller should decref. */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	114
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	115 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	116 get_pylong(PyObject *v)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	117 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	118 PyNumberMethods *m;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	119
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	120 assert(v != NULL);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	121 if (PyInt_Check(v))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	122 return PyLong_FromLong(PyInt_AS_LONG(v));
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	123 if (PyLong_Check(v)) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	124 Py_INCREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	125 return v;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	126 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	127 m = v->ob_type->tp_as_number;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	128 if (m != NULL && m->nb_long != NULL) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	129 v = m->nb_long(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	130 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	131 return NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	132 if (PyLong_Check(v))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	133 return v;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	134 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	135 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	136 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	137 "cannot convert argument to long");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	138 return NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	139 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	140
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	141 /* Helper routine to get a Python integer and raise the appropriate error
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	142 if it isn't one */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	143
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	144 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	145 get_long(PyObject v, long p)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	146 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	147 long x = PyInt_AsLong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	148 if (x == -1 && PyErr_Occurred()) {
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	149 #ifdef PY_STRUCT_FLOAT_COERCE
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	150 if (PyFloat_Check(v)) {
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	151 PyObject *o;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	152 int res;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	153 PyErr_Clear();
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	154 if (PyErr_WarnEx(PyExc_DeprecationWarning, FLOAT_COERCE, 2) < 0)
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	155 return -1;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	156 o = PyNumber_Int(v);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	157 if (o == NULL)
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	158 return -1;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	159 res = get_long(o, p);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	160 Py_DECREF(o);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	161 return res;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	162 }
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	163 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	164 if (PyErr_ExceptionMatches(PyExc_TypeError))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	165 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	166 "required argument is not an integer");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	167 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	168 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	169 *p = x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	170 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	171 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	172
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	173
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	174 /* Same, but handling unsigned long */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	175
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	176 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	177 get_ulong(PyObject v, unsigned long p)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	178 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	179 if (PyLong_Check(v)) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	180 unsigned long x = PyLong_AsUnsignedLong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	181 if (x == (unsigned long)(-1) && PyErr_Occurred())
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	182 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	183 *p = x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	184 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	185 }
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	186 if (get_long(v, (long *)p) < 0)
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	187 return -1;
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	188 if (((long)*p) < 0) {
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	189 PyErr_SetString(StructError,
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	190 "unsigned argument is < 0");
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	191 return -1;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	192 }
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	193 return 0;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	194 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	195
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	196 #ifdef HAVE_LONG_LONG
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	197
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	198 /* Same, but handling native long long. */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	199
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	200 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	201 get_longlong(PyObject v, PY_LONG_LONG p)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	202 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	203 PY_LONG_LONG x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	204
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	205 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	206 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	207 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	208 assert(PyLong_Check(v));
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	209 x = PyLong_AsLongLong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	210 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	211 if (x == (PY_LONG_LONG)-1 && PyErr_Occurred())
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	212 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	213 *p = x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	214 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	215 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	216
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	217 /* Same, but handling native unsigned long long. */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	218
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	219 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	220 get_ulonglong(PyObject v, unsigned PY_LONG_LONG p)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	221 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	222 unsigned PY_LONG_LONG x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	223
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	224 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	225 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	226 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	227 assert(PyLong_Check(v));
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	228 x = PyLong_AsUnsignedLongLong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	229 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	230 if (x == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	231 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	232 *p = x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	233 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	234 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	235
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	236 #endif
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	237
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	238 #ifdef PY_STRUCT_OVERFLOW_MASKING
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	239
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	240 /* Helper routine to get a Python integer and raise the appropriate error
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	241 if it isn't one */
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	242
39301 7dc5f3ede4cd Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn(). Neal Norwitz <nnorwitz@gmail.com> parents: 38736 diff changeset	243 #define INT_OVERFLOW "struct integer overflow masking is deprecated"
7dc5f3ede4cd Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn(). Neal Norwitz <nnorwitz@gmail.com> parents: 38736 diff changeset	244
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	245 static int
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	246 get_wrapped_long(PyObject v, long p)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	247 {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	248 if (get_long(v, p) < 0) {
38736 e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	249 if (PyLong_Check(v) &&
e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	250 PyErr_ExceptionMatches(PyExc_OverflowError)) {
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	251 PyObject *wrapped;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	252 long x;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	253 PyErr_Clear();
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	254 #ifdef PY_STRUCT_FLOAT_COERCE
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	255 if (PyFloat_Check(v)) {
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	256 PyObject *o;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	257 int res;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	258 PyErr_Clear();
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	259 if (PyErr_WarnEx(PyExc_DeprecationWarning, FLOAT_COERCE, 2) < 0)
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	260 return -1;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	261 o = PyNumber_Int(v);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	262 if (o == NULL)
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	263 return -1;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	264 res = get_wrapped_long(o, p);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	265 Py_DECREF(o);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	266 return res;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	267 }
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	268 #endif
39301 7dc5f3ede4cd Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn(). Neal Norwitz <nnorwitz@gmail.com> parents: 38736 diff changeset	269 if (PyErr_WarnEx(PyExc_DeprecationWarning, INT_OVERFLOW, 2) < 0)
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	270 return -1;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	271 wrapped = PyNumber_And(v, pylong_ulong_mask);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	272 if (wrapped == NULL)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	273 return -1;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	274 x = (long)PyLong_AsUnsignedLong(wrapped);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	275 Py_DECREF(wrapped);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	276 if (x == -1 && PyErr_Occurred())
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	277 return -1;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	278 *p = x;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	279 } else {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	280 return -1;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	281 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	282 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	283 return 0;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	284 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	285
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	286 static int
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	287 get_wrapped_ulong(PyObject v, unsigned long p)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	288 {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	289 long x = (long)PyLong_AsUnsignedLong(v);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	290 if (x == -1 && PyErr_Occurred()) {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	291 PyObject *wrapped;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	292 PyErr_Clear();
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	293 #ifdef PY_STRUCT_FLOAT_COERCE
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	294 if (PyFloat_Check(v)) {
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	295 PyObject *o;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	296 int res;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	297 PyErr_Clear();
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	298 if (PyErr_WarnEx(PyExc_DeprecationWarning, FLOAT_COERCE, 2) < 0)
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	299 return -1;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	300 o = PyNumber_Int(v);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	301 if (o == NULL)
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	302 return -1;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	303 res = get_wrapped_ulong(o, p);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	304 Py_DECREF(o);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	305 return res;
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	306 }
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	307 #endif
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	308 wrapped = PyNumber_And(v, pylong_ulong_mask);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	309 if (wrapped == NULL)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	310 return -1;
39301 7dc5f3ede4cd Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn(). Neal Norwitz <nnorwitz@gmail.com> parents: 38736 diff changeset	311 if (PyErr_WarnEx(PyExc_DeprecationWarning, INT_OVERFLOW, 2) < 0) {
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	312 Py_DECREF(wrapped);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	313 return -1;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	314 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	315 x = (long)PyLong_AsUnsignedLong(wrapped);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	316 Py_DECREF(wrapped);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	317 if (x == -1 && PyErr_Occurred())
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	318 return -1;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	319 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	320 *p = (unsigned long)x;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	321 return 0;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	322 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	323
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	324 #define RANGE_ERROR(x, f, flag, mask) \
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	325 do { \
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	326 if (_range_error(f, flag) < 0) \
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	327 return -1; \
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	328 else \
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	329 (x) &= (mask); \
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	330 } while (0)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	331
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	332 #else
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	333
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	334 #define get_wrapped_long get_long
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	335 #define get_wrapped_ulong get_ulong
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	336 #define RANGE_ERROR(x, f, flag, mask) return _range_error(f, flag)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	337
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	338 #endif
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	339
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	340 /* Floating point helpers */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	341
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	342 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	343 unpack_float(const char p, / start of 4-byte string */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	344 int le) /* true for little-endian, false for big-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	345 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	346 double x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	347
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	348 x = _PyFloat_Unpack4((unsigned char *)p, le);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	349 if (x == -1.0 && PyErr_Occurred())
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	350 return NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	351 return PyFloat_FromDouble(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	352 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	353
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	354 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	355 unpack_double(const char p, / start of 8-byte string */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	356 int le) /* true for little-endian, false for big-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	357 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	358 double x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	359
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	360 x = _PyFloat_Unpack8((unsigned char *)p, le);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	361 if (x == -1.0 && PyErr_Occurred())
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	362 return NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	363 return PyFloat_FromDouble(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	364 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	365
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	366 /* Helper to format the range error exceptions */
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	367 static int
38484 f64b13a00f33 Silence a warning. Armin Rigo <arigo@tunes.org> parents: 38483 diff changeset	368 _range_error(const formatdef *f, int is_unsigned)
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	369 {
38529 a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	370 /* ulargest is the largest unsigned value with f->size bytes.
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	371 * Note that the simpler:
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	372 * ((size_t)1 << (f->size * 8)) - 1
38530 447a94b039de Repaired error in new comment. Tim Peters <tim.peters@gmail.com> parents: 38529 diff changeset	373 * doesn't work when f->size == sizeof(size_t) because C doesn't
447a94b039de Repaired error in new comment. Tim Peters <tim.peters@gmail.com> parents: 38529 diff changeset	374 * define what happens when a left shift count is >= the number of
447a94b039de Repaired error in new comment. Tim Peters <tim.peters@gmail.com> parents: 38529 diff changeset	375 * bits in the integer being shifted; e.g., on some boxes it doesn't
447a94b039de Repaired error in new comment. Tim Peters <tim.peters@gmail.com> parents: 38529 diff changeset	376 * shift at all when they're equal.
38529 a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	377 */
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	378 const size_t ulargest = (size_t)-1 >> ((SIZEOF_SIZE_T - f->size)*8);
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	379 assert(f->size >= 1 && f->size <= SIZEOF_SIZE_T);
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	380 if (is_unsigned)
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	381 PyErr_Format(StructError,
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	382 "'%c' format requires 0 <= number <= %zu",
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	383 f->format,
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	384 ulargest);
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	385 else {
a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	386 const Py_ssize_t largest = (Py_ssize_t)(ulargest >> 1);
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	387 PyErr_Format(StructError,
38520 1a56da86c11a Calculate smallest properly (it was off by one) and use proper ssize_t types for Win64 Neal Norwitz <nnorwitz@gmail.com> parents: 38515 diff changeset	388 "'%c' format requires %zd <= number <= %zd",
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	389 f->format,
38529 a7f2295a78ac _range_error(): Speed and simplify (there's no real need for Tim Peters <tim.peters@gmail.com> parents: 38528 diff changeset	390 ~ largest,
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	391 largest);
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	392 }
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	393 #ifdef PY_STRUCT_OVERFLOW_MASKING
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	394 {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	395 PyObject ptype, pvalue, *ptraceback;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	396 PyObject *msg;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	397 int rval;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	398 PyErr_Fetch(&ptype, &pvalue, &ptraceback);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	399 assert(pvalue != NULL);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	400 msg = PyObject_Str(pvalue);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	401 Py_XDECREF(ptype);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	402 Py_XDECREF(pvalue);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	403 Py_XDECREF(ptraceback);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	404 if (msg == NULL)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	405 return -1;
39301 7dc5f3ede4cd Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn(). Neal Norwitz <nnorwitz@gmail.com> parents: 38736 diff changeset	406 rval = PyErr_WarnEx(PyExc_DeprecationWarning,
7dc5f3ede4cd Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn(). Neal Norwitz <nnorwitz@gmail.com> parents: 38736 diff changeset	407 PyString_AS_STRING(msg), 2);
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	408 Py_DECREF(msg);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	409 if (rval == 0)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	410 return 0;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	411 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	412 #endif
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	413 return -1;
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	414 }
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	415
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	416
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	417
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	418 /* A large number of small routines follow, with names of the form
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	419
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	420 [bln][up]_TYPE
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	421
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	422 [bln] distiguishes among big-endian, little-endian and native.
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	423 [pu] distiguishes between pack (to struct) and unpack (from struct).
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	424 TYPE is one of char, byte, ubyte, etc.
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	425 */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	426
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	427 /* Native mode routines. ****************************************************/
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	428 /* NOTE:
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	429 In all n[up]_<type> routines handling types larger than 1 byte, there is
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	430 no guarantee that the p pointer is properly aligned for each type,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	431 therefore memcpy is called. An intermediate variable is used to
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	432 compensate for big-endian architectures.
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	433 Normally both the intermediate variable and the memcpy call will be
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	434 skipped by C optimisation in little-endian architectures (gcc >= 2.91
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	435 does this). */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	436
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	437 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	438 nu_char(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	439 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	440 return PyString_FromStringAndSize(p, 1);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	441 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	442
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	443 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	444 nu_byte(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	445 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	446 return PyInt_FromLong((long) (signed char )p);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	447 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	448
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	449 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	450 nu_ubyte(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	451 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	452 return PyInt_FromLong((long) (unsigned char )p);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	453 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	454
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	455 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	456 nu_short(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	457 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	458 short x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	459 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	460 return PyInt_FromLong((long)x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	461 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	462
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	463 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	464 nu_ushort(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	465 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	466 unsigned short x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	467 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	468 return PyInt_FromLong((long)x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	469 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	470
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	471 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	472 nu_int(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	473 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	474 int x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	475 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	476 return PyInt_FromLong((long)x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	477 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	478
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	479 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	480 nu_uint(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	481 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	482 unsigned int x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	483 memcpy((char *)&x, p, sizeof x);
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	484 #if (SIZEOF_LONG > SIZEOF_INT)
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	485 return PyInt_FromLong((long)x);
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	486 #else
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	487 if (x <= ((unsigned int)LONG_MAX))
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	488 return PyInt_FromLong((long)x);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	489 return PyLong_FromUnsignedLong((unsigned long)x);
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	490 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	491 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	492
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	493 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	494 nu_long(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	495 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	496 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	497 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	498 return PyInt_FromLong(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	499 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	500
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	501 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	502 nu_ulong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	503 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	504 unsigned long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	505 memcpy((char *)&x, p, sizeof x);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	506 if (x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	507 return PyInt_FromLong((long)x);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	508 return PyLong_FromUnsignedLong(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	509 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	510
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	511 /* Native mode doesn't support q or Q unless the platform C supports
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	512 long long (or, on Windows, __int64). */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	513
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	514 #ifdef HAVE_LONG_LONG
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	515
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	516 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	517 nu_longlong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	518 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	519 PY_LONG_LONG x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	520 memcpy((char *)&x, p, sizeof x);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	521 if (x >= LONG_MIN && x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	522 return PyInt_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	523 return PyLong_FromLongLong(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	524 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	525
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	526 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	527 nu_ulonglong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	528 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	529 unsigned PY_LONG_LONG x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	530 memcpy((char *)&x, p, sizeof x);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	531 if (x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	532 return PyInt_FromLong(Py_SAFE_DOWNCAST(x, unsigned PY_LONG_LONG, long));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	533 return PyLong_FromUnsignedLongLong(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	534 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	535
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	536 #endif
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	537
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	538 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	539 nu_float(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	540 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	541 float x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	542 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	543 return PyFloat_FromDouble((double)x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	544 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	545
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	546 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	547 nu_double(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	548 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	549 double x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	550 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	551 return PyFloat_FromDouble(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	552 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	553
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	554 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	555 nu_void_p(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	556 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	557 void *x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	558 memcpy((char *)&x, p, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	559 return PyLong_FromVoidPtr(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	560 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	561
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	562 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	563 np_byte(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	564 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	565 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	566 if (get_long(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	567 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	568 if (x < -128 \|\| x > 127){
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	569 PyErr_SetString(StructError,
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	570 "byte format requires -128 <= number <= 127");
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	571 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	572 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	573 *p = (char)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	574 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	575 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	576
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	577 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	578 np_ubyte(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	579 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	580 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	581 if (get_long(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	582 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	583 if (x < 0 \|\| x > 255){
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	584 PyErr_SetString(StructError,
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	585 "ubyte format requires 0 <= number <= 255");
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	586 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	587 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	588 *p = (char)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	589 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	590 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	591
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	592 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	593 np_char(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	594 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	595 if (!PyString_Check(v) \|\| PyString_Size(v) != 1) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	596 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	597 "char format require string of length 1");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	598 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	599 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	600 p = PyString_AsString(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	601 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	602 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	603
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	604 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	605 np_short(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	606 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	607 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	608 short y;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	609 if (get_long(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	610 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	611 if (x < SHRT_MIN \|\| x > SHRT_MAX){
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	612 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	613 "short format requires " STRINGIFY(SHRT_MIN)
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	614 " <= number <= " STRINGIFY(SHRT_MAX));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	615 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	616 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	617 y = (short)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	618 memcpy(p, (char *)&y, sizeof y);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	619 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	620 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	621
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	622 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	623 np_ushort(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	624 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	625 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	626 unsigned short y;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	627 if (get_long(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	628 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	629 if (x < 0 \|\| x > USHRT_MAX){
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	630 PyErr_SetString(StructError,
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	631 "short format requires 0 <= number <= " STRINGIFY(USHRT_MAX));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	632 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	633 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	634 y = (unsigned short)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	635 memcpy(p, (char *)&y, sizeof y);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	636 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	637 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	638
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	639 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	640 np_int(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	641 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	642 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	643 int y;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	644 if (get_long(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	645 return -1;
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	646 #if (SIZEOF_LONG > SIZEOF_INT)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	647 if ((x < ((long)INT_MIN)) \|\| (x > ((long)INT_MAX)))
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	648 return _range_error(f, 0);
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	649 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	650 y = (int)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	651 memcpy(p, (char *)&y, sizeof y);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	652 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	653 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	654
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	655 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	656 np_uint(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	657 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	658 unsigned long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	659 unsigned int y;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	660 if (get_ulong(v, &x) < 0)
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	661 return _range_error(f, 1);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	662 y = (unsigned int)x;
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	663 #if (SIZEOF_LONG > SIZEOF_INT)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	664 if (x > ((unsigned long)UINT_MAX))
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	665 return _range_error(f, 1);
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	666 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	667 memcpy(p, (char *)&y, sizeof y);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	668 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	669 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	670
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	671 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	672 np_long(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	673 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	674 long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	675 if (get_long(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	676 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	677 memcpy(p, (char *)&x, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	678 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	679 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	680
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	681 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	682 np_ulong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	683 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	684 unsigned long x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	685 if (get_ulong(v, &x) < 0)
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	686 return _range_error(f, 1);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	687 memcpy(p, (char *)&x, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	688 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	689 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	690
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	691 #ifdef HAVE_LONG_LONG
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	692
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	693 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	694 np_longlong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	695 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	696 PY_LONG_LONG x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	697 if (get_longlong(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	698 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	699 memcpy(p, (char *)&x, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	700 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	701 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	702
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	703 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	704 np_ulonglong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	705 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	706 unsigned PY_LONG_LONG x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	707 if (get_ulonglong(v, &x) < 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	708 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	709 memcpy(p, (char *)&x, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	710 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	711 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	712 #endif
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	713
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	714 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	715 np_float(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	716 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	717 float x = (float)PyFloat_AsDouble(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	718 if (x == -1 && PyErr_Occurred()) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	719 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	720 "required argument is not a float");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	721 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	722 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	723 memcpy(p, (char *)&x, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	724 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	725 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	726
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	727 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	728 np_double(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	729 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	730 double x = PyFloat_AsDouble(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	731 if (x == -1 && PyErr_Occurred()) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	732 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	733 "required argument is not a float");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	734 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	735 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	736 memcpy(p, (char *)&x, sizeof(double));
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	737 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	738 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	739
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	740 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	741 np_void_p(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	742 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	743 void *x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	744
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	745 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	746 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	747 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	748 assert(PyLong_Check(v));
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	749 x = PyLong_AsVoidPtr(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	750 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	751 if (x == NULL && PyErr_Occurred())
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	752 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	753 memcpy(p, (char *)&x, sizeof x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	754 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	755 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	756
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	757 static formatdef native_table[] = {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	758 {'x', sizeof(char), 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	759 {'b', sizeof(char), 0, nu_byte, np_byte},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	760 {'B', sizeof(char), 0, nu_ubyte, np_ubyte},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	761 {'c', sizeof(char), 0, nu_char, np_char},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	762 {'s', sizeof(char), 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	763 {'p', sizeof(char), 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	764 {'h', sizeof(short), SHORT_ALIGN, nu_short, np_short},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	765 {'H', sizeof(short), SHORT_ALIGN, nu_ushort, np_ushort},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	766 {'i', sizeof(int), INT_ALIGN, nu_int, np_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	767 {'I', sizeof(int), INT_ALIGN, nu_uint, np_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	768 {'l', sizeof(long), LONG_ALIGN, nu_long, np_long},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	769 {'L', sizeof(long), LONG_ALIGN, nu_ulong, np_ulong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	770 #ifdef HAVE_LONG_LONG
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	771 {'q', sizeof(PY_LONG_LONG), LONG_LONG_ALIGN, nu_longlong, np_longlong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	772 {'Q', sizeof(PY_LONG_LONG), LONG_LONG_ALIGN, nu_ulonglong,np_ulonglong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	773 #endif
38317 68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	774 {'f', sizeof(float), FLOAT_ALIGN, nu_float, np_float},
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	775 {'d', sizeof(double), DOUBLE_ALIGN, nu_double, np_double},
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	776 {'P', sizeof(void *), VOID_P_ALIGN, nu_void_p, np_void_p},
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	777 {0}
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	778 };
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	779
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	780 /* Big-endian routines. *****************************************************/
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	781
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	782 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	783 bu_int(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	784 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	785 long x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	786 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	787 const unsigned char bytes = (const unsigned char )p;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	788 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	789 x = (x<<8) \| *bytes++;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	790 } while (--i > 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	791 /* Extend the sign bit. */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	792 if (SIZEOF_LONG > f->size)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	793 x \|= -(x & (1L << ((8 * f->size) - 1)));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	794 return PyInt_FromLong(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	795 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	796
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	797 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	798 bu_uint(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	799 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	800 unsigned long x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	801 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	802 const unsigned char bytes = (const unsigned char )p;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	803 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	804 x = (x<<8) \| *bytes++;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	805 } while (--i > 0);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	806 if (x <= LONG_MAX)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	807 return PyInt_FromLong((long)x);
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	808 return PyLong_FromUnsignedLong(x);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	809 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	810
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	811 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	812 bu_longlong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	813 {
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	814 #ifdef HAVE_LONG_LONG
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	815 PY_LONG_LONG x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	816 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	817 const unsigned char bytes = (const unsigned char )p;
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	818 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	819 x = (x<<8) \| *bytes++;
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	820 } while (--i > 0);
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	821 /* Extend the sign bit. */
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	822 if (SIZEOF_LONG_LONG > f->size)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	823 x \|= -(x & (1L << ((8 * f->size) - 1)));
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	824 if (x >= LONG_MIN && x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	825 return PyInt_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	826 return PyLong_FromLongLong(x);
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	827 #else
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	828 return _PyLong_FromByteArray((const unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	829 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	830 0, /* little-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	831 1 /* signed */);
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	832 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	833 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	834
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	835 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	836 bu_ulonglong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	837 {
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	838 #ifdef HAVE_LONG_LONG
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	839 unsigned PY_LONG_LONG x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	840 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	841 const unsigned char bytes = (const unsigned char )p;
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	842 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	843 x = (x<<8) \| *bytes++;
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	844 } while (--i > 0);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	845 if (x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	846 return PyInt_FromLong(Py_SAFE_DOWNCAST(x, unsigned PY_LONG_LONG, long));
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	847 return PyLong_FromUnsignedLongLong(x);
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	848 #else
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	849 return _PyLong_FromByteArray((const unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	850 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	851 0, /* little-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	852 0 /* signed */);
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	853 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	854 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	855
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	856 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	857 bu_float(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	858 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	859 return unpack_float(p, 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	860 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	861
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	862 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	863 bu_double(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	864 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	865 return unpack_double(p, 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	866 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	867
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	868 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	869 bp_int(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	870 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	871 long x;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	872 Py_ssize_t i;
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	873 if (get_wrapped_long(v, &x) < 0)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	874 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	875 i = f->size;
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	876 if (i != SIZEOF_LONG) {
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	877 if ((i == 2) && (x < -32768 \|\| x > 32767))
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	878 RANGE_ERROR(x, f, 0, 0xffffL);
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	879 #if (SIZEOF_LONG != 4)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	880 else if ((i == 4) && (x < -2147483648L \|\| x > 2147483647L))
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	881 RANGE_ERROR(x, f, 0, 0xffffffffL);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	882 #endif
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	883 #ifdef PY_STRUCT_OVERFLOW_MASKING
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	884 else if ((i == 1) && (x < -128 \|\| x > 127))
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	885 RANGE_ERROR(x, f, 0, 0xffL);
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	886 #endif
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	887 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	888 do {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	889 p[--i] = (char)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	890 x >>= 8;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	891 } while (i > 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	892 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	893 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	894
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	895 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	896 bp_uint(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	897 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	898 unsigned long x;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	899 Py_ssize_t i;
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	900 if (get_wrapped_ulong(v, &x) < 0)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	901 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	902 i = f->size;
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	903 if (i != SIZEOF_LONG) {
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	904 unsigned long maxint = 1;
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	905 maxint <<= (unsigned long)(i * 8);
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	906 if (x >= maxint)
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	907 RANGE_ERROR(x, f, 1, maxint - 1);
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	908 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	909 do {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	910 p[--i] = (char)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	911 x >>= 8;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	912 } while (i > 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	913 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	914 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	915
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	916 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	917 bp_longlong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	918 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	919 int res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	920 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	921 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	922 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	923 res = _PyLong_AsByteArray((PyLongObject *)v,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	924 (unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	925 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	926 0, /* little_endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	927 1 /* signed */);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	928 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	929 return res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	930 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	931
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	932 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	933 bp_ulonglong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	934 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	935 int res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	936 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	937 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	938 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	939 res = _PyLong_AsByteArray((PyLongObject *)v,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	940 (unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	941 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	942 0, /* little_endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	943 0 /* signed */);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	944 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	945 return res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	946 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	947
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	948 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	949 bp_float(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	950 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	951 double x = PyFloat_AsDouble(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	952 if (x == -1 && PyErr_Occurred()) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	953 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	954 "required argument is not a float");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	955 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	956 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	957 return _PyFloat_Pack4(x, (unsigned char *)p, 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	958 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	959
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	960 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	961 bp_double(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	962 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	963 double x = PyFloat_AsDouble(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	964 if (x == -1 && PyErr_Occurred()) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	965 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	966 "required argument is not a float");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	967 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	968 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	969 return _PyFloat_Pack8(x, (unsigned char *)p, 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	970 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	971
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	972 static formatdef bigendian_table[] = {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	973 {'x', 1, 0, NULL},
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	974 #ifdef PY_STRUCT_OVERFLOW_MASKING
bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	975 /* Native packers do range checking without overflow masking. */
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	976 {'b', 1, 0, nu_byte, bp_int},
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	977 {'B', 1, 0, nu_ubyte, bp_uint},
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	978 #else
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	979 {'b', 1, 0, nu_byte, np_byte},
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	980 {'B', 1, 0, nu_ubyte, np_ubyte},
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	981 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	982 {'c', 1, 0, nu_char, np_char},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	983 {'s', 1, 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	984 {'p', 1, 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	985 {'h', 2, 0, bu_int, bp_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	986 {'H', 2, 0, bu_uint, bp_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	987 {'i', 4, 0, bu_int, bp_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	988 {'I', 4, 0, bu_uint, bp_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	989 {'l', 4, 0, bu_int, bp_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	990 {'L', 4, 0, bu_uint, bp_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	991 {'q', 8, 0, bu_longlong, bp_longlong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	992 {'Q', 8, 0, bu_ulonglong, bp_ulonglong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	993 {'f', 4, 0, bu_float, bp_float},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	994 {'d', 8, 0, bu_double, bp_double},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	995 {0}
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	996 };
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	997
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	998 /* Little-endian routines. *****************************************************/
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	999
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1000 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1001 lu_int(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1002 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1003 long x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1004 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1005 const unsigned char bytes = (const unsigned char )p;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1006 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1007 x = (x<<8) \| bytes[--i];
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1008 } while (i > 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1009 /* Extend the sign bit. */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1010 if (SIZEOF_LONG > f->size)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1011 x \|= -(x & (1L << ((8 * f->size) - 1)));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1012 return PyInt_FromLong(x);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1013 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1014
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1015 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1016 lu_uint(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1017 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1018 unsigned long x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1019 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1020 const unsigned char bytes = (const unsigned char )p;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1021 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1022 x = (x<<8) \| bytes[--i];
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1023 } while (i > 0);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	1024 if (x <= LONG_MAX)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1025 return PyInt_FromLong((long)x);
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1026 return PyLong_FromUnsignedLong((long)x);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1027 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1028
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1029 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1030 lu_longlong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1031 {
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	1032 #ifdef HAVE_LONG_LONG
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1033 PY_LONG_LONG x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1034 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1035 const unsigned char bytes = (const unsigned char )p;
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1036 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1037 x = (x<<8) \| bytes[--i];
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1038 } while (i > 0);
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1039 /* Extend the sign bit. */
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1040 if (SIZEOF_LONG_LONG > f->size)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1041 x \|= -(x & (1L << ((8 * f->size) - 1)));
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	1042 if (x >= LONG_MIN && x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1043 return PyInt_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1044 return PyLong_FromLongLong(x);
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1045 #else
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1046 return _PyLong_FromByteArray((const unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1047 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1048 1, /* little-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1049 1 /* signed */);
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1050 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1051 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1052
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1053 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1054 lu_ulonglong(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1055 {
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	1056 #ifdef HAVE_LONG_LONG
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1057 unsigned PY_LONG_LONG x = 0;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1058 Py_ssize_t i = f->size;
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1059 const unsigned char bytes = (const unsigned char )p;
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1060 do {
38483 fb56a3992604 simplify the struct code a bit (no functional changes) Bob Ippolito <bob@redivi.com> parents: 38470 diff changeset	1061 x = (x<<8) \| bytes[--i];
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1062 } while (i > 0);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	1063 if (x <= LONG_MAX)
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1064 return PyInt_FromLong(Py_SAFE_DOWNCAST(x, unsigned PY_LONG_LONG, long));
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1065 return PyLong_FromUnsignedLongLong(x);
850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1066 #else
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1067 return _PyLong_FromByteArray((const unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1068 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1069 1, /* little-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1070 0 /* signed */);
38310 850d4f7717b8 Struct now unpacks to PY_LONG_LONG directly when possible, also include #ifdef'ed out code that will return int instead of long when in bounds (not active since it's an API and doc change) Bob Ippolito <bob@redivi.com> parents: 38277 diff changeset	1071 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1072 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1073
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1074 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1075 lu_float(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1076 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1077 return unpack_float(p, 1);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1078 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1079
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1080 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1081 lu_double(const char p, const formatdef f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1082 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1083 return unpack_double(p, 1);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1084 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1085
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1086 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1087 lp_int(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1088 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1089 long x;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1090 Py_ssize_t i;
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1091 if (get_wrapped_long(v, &x) < 0)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1092 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1093 i = f->size;
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1094 if (i != SIZEOF_LONG) {
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1095 if ((i == 2) && (x < -32768 \|\| x > 32767))
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1096 RANGE_ERROR(x, f, 0, 0xffffL);
38429 003433511e4d Remove the range checking and int usage #defines from _struct and strip out the now-dead code Bob Ippolito <bob@redivi.com> parents: 38411 diff changeset	1097 #if (SIZEOF_LONG != 4)
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1098 else if ((i == 4) && (x < -2147483648L \|\| x > 2147483647L))
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1099 RANGE_ERROR(x, f, 0, 0xffffffffL);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1100 #endif
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1101 #ifdef PY_STRUCT_OVERFLOW_MASKING
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1102 else if ((i == 1) && (x < -128 \|\| x > 127))
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1103 RANGE_ERROR(x, f, 0, 0xffL);
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	1104 #endif
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1105 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1106 do {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1107 *p++ = (char)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1108 x >>= 8;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1109 } while (--i > 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1110 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1111 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1112
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1113 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1114 lp_uint(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1115 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1116 unsigned long x;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1117 Py_ssize_t i;
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1118 if (get_wrapped_ulong(v, &x) < 0)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1119 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1120 i = f->size;
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1121 if (i != SIZEOF_LONG) {
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1122 unsigned long maxint = 1;
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1123 maxint <<= (unsigned long)(i * 8);
8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1124 if (x >= maxint)
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1125 RANGE_ERROR(x, f, 1, maxint - 1);
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1126 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1127 do {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1128 *p++ = (char)x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1129 x >>= 8;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1130 } while (--i > 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1131 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1132 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1133
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1134 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1135 lp_longlong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1136 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1137 int res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1138 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1139 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1140 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1141 res = _PyLong_AsByteArray((PyLongObject*)v,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1142 (unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1143 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1144 1, /* little_endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1145 1 /* signed */);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1146 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1147 return res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1148 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1149
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1150 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1151 lp_ulonglong(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1152 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1153 int res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1154 v = get_pylong(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1155 if (v == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1156 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1157 res = _PyLong_AsByteArray((PyLongObject*)v,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1158 (unsigned char *)p,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1159 8,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1160 1, /* little_endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1161 0 /* signed */);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1162 Py_DECREF(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1163 return res;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1164 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1165
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1166 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1167 lp_float(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1168 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1169 double x = PyFloat_AsDouble(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1170 if (x == -1 && PyErr_Occurred()) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1171 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1172 "required argument is not a float");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1173 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1174 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1175 return _PyFloat_Pack4(x, (unsigned char *)p, 1);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1176 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1177
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1178 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1179 lp_double(char p, PyObject v, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1180 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1181 double x = PyFloat_AsDouble(v);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1182 if (x == -1 && PyErr_Occurred()) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1183 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1184 "required argument is not a float");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1185 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1186 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1187 return _PyFloat_Pack8(x, (unsigned char *)p, 1);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1188 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1189
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1190 static formatdef lilendian_table[] = {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1191 {'x', 1, 0, NULL},
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1192 #ifdef PY_STRUCT_OVERFLOW_MASKING
bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1193 /* Native packers do range checking without overflow masking. */
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1194 {'b', 1, 0, nu_byte, lp_int},
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1195 {'B', 1, 0, nu_ubyte, lp_uint},
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1196 #else
38363 5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	1197 {'b', 1, 0, nu_byte, np_byte},
5213b6065197 fix #1229380 No struct.pack exception for some out of range integers Bob Ippolito <bob@redivi.com> parents: 38353 diff changeset	1198 {'B', 1, 0, nu_ubyte, np_ubyte},
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1199 #endif
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1200 {'c', 1, 0, nu_char, np_char},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1201 {'s', 1, 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1202 {'p', 1, 0, NULL},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1203 {'h', 2, 0, lu_int, lp_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1204 {'H', 2, 0, lu_uint, lp_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1205 {'i', 4, 0, lu_int, lp_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1206 {'I', 4, 0, lu_uint, lp_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1207 {'l', 4, 0, lu_int, lp_int},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1208 {'L', 4, 0, lu_uint, lp_uint},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1209 {'q', 8, 0, lu_longlong, lp_longlong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1210 {'Q', 8, 0, lu_ulonglong, lp_ulonglong},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1211 {'f', 4, 0, lu_float, lp_float},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1212 {'d', 8, 0, lu_double, lp_double},
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1213 {0}
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1214 };
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1215
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1216
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1217 static const formatdef *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1218 whichtable(char **pfmt)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1219 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1220 const char fmt = (pfmt)++; /* May be backed out of later */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1221 switch (*fmt) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1222 case '<':
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1223 return lilendian_table;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1224 case '>':
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1225 case '!': /* Network byte order is big-endian */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1226 return bigendian_table;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1227 case '=': { /* Host byte order -- different from native in aligment! */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1228 int n = 1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1229 char p = (char ) &n;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1230 if (*p == 1)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1231 return lilendian_table;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1232 else
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1233 return bigendian_table;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1234 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1235 default:
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1236 --pfmt; / Back out of pointer increment */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1237 /* Fall through */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1238 case '@':
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1239 return native_table;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1240 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1241 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1242
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1243
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1244 /* Get the table entry for a format code */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1245
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1246 static const formatdef *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1247 getentry(int c, const formatdef *f)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1248 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1249 for (; f->format != '\0'; f++) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1250 if (f->format == c) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1251 return f;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1252 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1253 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1254 PyErr_SetString(StructError, "bad char in struct format");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1255 return NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1256 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1257
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1258
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1259 /* Align a size according to a format code */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1260
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1261 static int
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1262 align(Py_ssize_t size, char c, const formatdef *e)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1263 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1264 if (e->format == c) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1265 if (e->alignment) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1266 size = ((size + e->alignment - 1)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1267 / e->alignment)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1268 * e->alignment;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1269 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1270 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1271 return size;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1272 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1273
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1274
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1275 /* calculate the size of a format string */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1276
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1277 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1278 prepare_s(PyStructObject *self)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1279 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1280 const formatdef *f;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1281 const formatdef *e;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1282 formatcode *codes;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1283
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1284 const char *s;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1285 const char *fmt;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1286 char c;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1287 Py_ssize_t size, len, num, itemsize, x;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1288
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1289 fmt = PyString_AS_STRING(self->s_format);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1290
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1291 f = whichtable((char **)&fmt);
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1292
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1293 s = fmt;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1294 size = 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1295 len = 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1296 while ((c = *s++) != '\0') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1297 if (isspace(Py_CHARMASK(c)))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1298 continue;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1299 if ('0' <= c && c <= '9') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1300 num = c - '0';
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1301 while ('0' <= (c = *s++) && c <= '9') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1302 x = num*10 + (c - '0');
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1303 if (x/10 != num) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1304 PyErr_SetString(
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1305 StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1306 "overflow in item count");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1307 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1308 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1309 num = x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1310 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1311 if (c == '\0')
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1312 break;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1313 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1314 else
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1315 num = 1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1316
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1317 e = getentry(c, f);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1318 if (e == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1319 return -1;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1320
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1321 switch (c) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1322 case 's': /* fall through */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1323 case 'p': len++; break;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1324 case 'x': break;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1325 default: len += num; break;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1326 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1327
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1328 itemsize = e->size;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1329 size = align(size, c, e);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1330 x = num * itemsize;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1331 size += x;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1332 if (x/itemsize != num \|\| size < 0) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1333 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1334 "total struct size too long");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1335 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1336 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1337 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1338
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1339 self->s_size = size;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1340 self->s_len = len;
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1341 codes = PyMem_MALLOC((len + 1) * sizeof(formatcode));
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1342 if (codes == NULL) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1343 PyErr_NoMemory();
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1344 return -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1345 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1346 self->s_codes = codes;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1347
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1348 s = fmt;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1349 size = 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1350 while ((c = *s++) != '\0') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1351 if (isspace(Py_CHARMASK(c)))
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1352 continue;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1353 if ('0' <= c && c <= '9') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1354 num = c - '0';
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1355 while ('0' <= (c = *s++) && c <= '9')
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1356 num = num*10 + (c - '0');
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1357 if (c == '\0')
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1358 break;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1359 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1360 else
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1361 num = 1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1362
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1363 e = getentry(c, f);
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1364
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1365 size = align(size, c, e);
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1366 if (c == 's' \|\| c == 'p') {
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1367 codes->offset = size;
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1368 codes->size = num;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1369 codes->fmtdef = e;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1370 codes++;
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1371 size += num;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1372 } else if (c == 'x') {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1373 size += num;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1374 } else {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1375 while (--num >= 0) {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1376 codes->offset = size;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1377 codes->size = e->size;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1378 codes->fmtdef = e;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1379 codes++;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1380 size += e->size;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1381 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1382 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1383 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1384 codes->fmtdef = NULL;
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1385 codes->offset = size;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1386 codes->size = 0;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1387
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1388 return 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1389 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1390
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1391 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1392 s_new(PyTypeObject type, PyObject args, PyObject *kwds)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1393 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1394 PyObject *self;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1395
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1396 assert(type != NULL && type->tp_alloc != NULL);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1397
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1398 self = type->tp_alloc(type, 0);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1399 if (self != NULL) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1400 PyStructObject s = (PyStructObject)self;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1401 Py_INCREF(Py_None);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1402 s->s_format = Py_None;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1403 s->s_codes = NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1404 s->s_size = -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1405 s->s_len = -1;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1406 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1407 return self;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1408 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1409
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1410 static int
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1411 s_init(PyObject self, PyObject args, PyObject *kwds)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1412 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1413 PyStructObject soself = (PyStructObject )self;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1414 PyObject *o_format = NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1415 int ret = 0;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1416 static char *kwlist[] = {"format", 0};
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1417
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1418 assert(PyStruct_Check(self));
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1419
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1420 if (!PyArg_ParseTupleAndKeywords(args, kwds, "S:Struct", kwlist,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1421 &o_format))
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1422 return -1;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1423
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1424 Py_INCREF(o_format);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1425 Py_XDECREF(soself->s_format);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1426 soself->s_format = o_format;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1427
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1428 ret = prepare_s(soself);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1429 return ret;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1430 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1431
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1432 static void
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1433 s_dealloc(PyStructObject *s)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1434 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1435 if (s->weakreflist != NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1436 PyObject_ClearWeakRefs((PyObject *)s);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1437 if (s->s_codes != NULL) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1438 PyMem_FREE(s->s_codes);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1439 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1440 Py_XDECREF(s->s_format);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1441 s->ob_type->tp_free((PyObject *)s);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1442 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1443
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1444 static PyObject *
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1445 s_unpack_internal(PyStructObject soself, char startfrom) {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1446 formatcode *code;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1447 Py_ssize_t i = 0;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1448 PyObject *result = PyTuple_New(soself->s_len);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1449 if (result == NULL)
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1450 return NULL;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1451
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1452 for (code = soself->s_codes; code->fmtdef != NULL; code++) {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1453 PyObject *v;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1454 const formatdef *e = code->fmtdef;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1455 const char *res = startfrom + code->offset;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1456 if (e->format == 's') {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1457 v = PyString_FromStringAndSize(res, code->size);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1458 } else if (e->format == 'p') {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1459 Py_ssize_t n = (unsigned char)res;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1460 if (n >= code->size)
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1461 n = code->size - 1;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1462 v = PyString_FromStringAndSize(res + 1, n);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1463 } else {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1464 v = e->unpack(res, e);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1465 }
38736 e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1466 if (v == NULL)
e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1467 goto fail;
e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1468 PyTuple_SET_ITEM(result, i++, v);
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1469 }
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1470
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1471 return result;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1472 fail:
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1473 Py_DECREF(result);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1474 return NULL;
38445 8daeb9af8422 fix struct regression on 64-bit platforms Bob Ippolito <bob@redivi.com> parents: 38430 diff changeset	1475 }
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1476
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1477
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1478 PyDoc_STRVAR(s_unpack__doc__,
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1479 "S.unpack(str) -> (v1, v2, ...)\n\
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1480 \n\
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1481 Return tuple containing values unpacked according to this Struct's format.\n\
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1482 Requires len(str) == self.size. See struct.__doc__ for more on format\n\
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1483 strings.");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1484
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1485 static PyObject *
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1486 s_unpack(PyObject self, PyObject inputstr)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1487 {
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1488 PyStructObject soself = (PyStructObject )self;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1489 assert(PyStruct_Check(self));
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1490 assert(soself->s_codes != NULL);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1491 if (inputstr == NULL \|\| !PyString_Check(inputstr) \|\|
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1492 PyString_GET_SIZE(inputstr) != soself->s_size) {
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1493 PyErr_Format(StructError,
38736 e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1494 "unpack requires a string argument of length %zd",
e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1495 soself->s_size);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1496 return NULL;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1497 }
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1498 return s_unpack_internal(soself, PyString_AS_STRING(inputstr));
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1499 }
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1500
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1501 PyDoc_STRVAR(s_unpack_from__doc__,
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1502 "S.unpack_from(buffer[, offset]) -> (v1, v2, ...)\n\
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1503 \n\
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1504 Return tuple containing values unpacked according to this Struct's format.\n\
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1505 Unlike unpack, unpack_from can unpack values from any object supporting\n\
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1506 the buffer API, not just str. Requires len(buffer[offset:]) >= self.size.\n\
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1507 See struct.__doc__ for more on format strings.");
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1508
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1509 static PyObject *
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1510 s_unpack_from(PyObject self, PyObject args, PyObject *kwds)
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1511 {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1512 static char *kwlist[] = {"buffer", "offset", 0};
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1513 #if (PY_VERSION_HEX < 0x02050000)
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1514 static char *fmt = "z#\|i:unpack_from";
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1515 #else
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1516 static char *fmt = "z#\|n:unpack_from";
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1517 #endif
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1518 Py_ssize_t buffer_len = 0, offset = 0;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1519 char *buffer = NULL;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1520 PyStructObject soself = (PyStructObject )self;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1521 assert(PyStruct_Check(self));
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1522 assert(soself->s_codes != NULL);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1523
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1524 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1525 &buffer, &buffer_len, &offset))
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1526 return NULL;
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1527
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1528 if (buffer == NULL) {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1529 PyErr_Format(StructError,
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1530 "unpack_from requires a buffer argument");
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1531 return NULL;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1532 }
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1533
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1534 if (offset < 0)
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1535 offset += buffer_len;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1536
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1537 if (offset < 0 \|\| (buffer_len - offset) < soself->s_size) {
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1538 PyErr_Format(StructError,
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1539 "unpack_from requires a buffer of at least %zd bytes",
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1540 soself->s_size);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1541 return NULL;
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1542 }
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1543 return s_unpack_internal(soself, buffer + offset);
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1544 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1545
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1546
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1547 /*
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1548 * Guts of the pack function.
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1549 *
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1550 * Takes a struct object, a tuple of arguments, and offset in that tuple of
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1551 * argument for where to start processing the arguments for packing, and a
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1552 * character buffer for writing the packed string. The caller must insure
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1553 * that the buffer may contain the required length for packing the arguments.
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1554 * 0 is returned on success, 1 is returned if there is an error.
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1555 *
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1556 */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1557 static int
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1558 s_pack_internal(PyStructObject soself, PyObject args, int offset, char* buf)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1559 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1560 formatcode *code;
38736 e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1561 /* XXX(nnorwitz): why does i need to be a local? can we use
e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1562 the offset parameter or do we need the wider width? */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1563 Py_ssize_t i;
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1564
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1565 memset(buf, '\0', soself->s_size);
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1566 i = offset;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1567 for (code = soself->s_codes; code->fmtdef != NULL; code++) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1568 Py_ssize_t n;
38736 e80097bf73b6 Wrap some long lines Neal Norwitz <nnorwitz@gmail.com> parents: 38583 diff changeset	1569 PyObject *v = PyTuple_GET_ITEM(args, i++);
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1570 const formatdef *e = code->fmtdef;
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1571 char *res = buf + code->offset;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1572 if (e->format == 's') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1573 if (!PyString_Check(v)) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1574 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1575 "argument for 's' must be a string");
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1576 return -1;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1577 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1578 n = PyString_GET_SIZE(v);
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1579 if (n > code->size)
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1580 n = code->size;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1581 if (n > 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1582 memcpy(res, PyString_AS_STRING(v), n);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1583 } else if (e->format == 'p') {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1584 if (!PyString_Check(v)) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1585 PyErr_SetString(StructError,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1586 "argument for 'p' must be a string");
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1587 return -1;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1588 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1589 n = PyString_GET_SIZE(v);
38277 b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1590 if (n > (code->size - 1))
b825e6227366 refactor unpack, add unpack_from Bob Ippolito <bob@redivi.com> parents: 38267 diff changeset	1591 n = code->size - 1;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1592 if (n > 0)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1593 memcpy(res + 1, PyString_AS_STRING(v), n);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1594 if (n > 255)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1595 n = 255;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1596 *res = Py_SAFE_DOWNCAST(n, Py_ssize_t, unsigned char);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1597 } else {
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1598 if (e->pack(res, v, e) < 0) {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1599 if (PyLong_Check(v) && PyErr_ExceptionMatches(PyExc_OverflowError))
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1600 PyErr_SetString(StructError,
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1601 "long too large to convert to int");
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1602 return -1;
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1603 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1604 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1605 }
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1606
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1607 /* Success */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1608 return 0;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1609 }
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1610
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1611
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1612 PyDoc_STRVAR(s_pack__doc__,
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1613 "S.pack(v1, v2, ...) -> string\n\
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1614 \n\
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1615 Return a string containing values v1, v2, ... packed according to this\n\
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1616 Struct's format. See struct.__doc__ for more on format strings.");
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1617
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1618 static PyObject *
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1619 s_pack(PyObject self, PyObject args)
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1620 {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1621 PyStructObject *soself;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1622 PyObject *result;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1623
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1624 /* Validate arguments. */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1625 soself = (PyStructObject *)self;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1626 assert(PyStruct_Check(self));
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1627 assert(soself->s_codes != NULL);
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1628 if (PyTuple_GET_SIZE(args) != soself->s_len)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1629 {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1630 PyErr_Format(StructError,
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1631 "pack requires exactly %zd arguments", soself->s_len);
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1632 return NULL;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1633 }
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1634
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1635 /* Allocate a new string */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1636 result = PyString_FromStringAndSize((char *)NULL, soself->s_size);
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1637 if (result == NULL)
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1638 return NULL;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1639
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1640 /* Call the guts */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1641 if ( s_pack_internal(soself, args, 0, PyString_AS_STRING(result)) != 0 ) {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1642 Py_DECREF(result);
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1643 return NULL;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1644 }
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1645
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1646 return result;
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1647 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1648
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1649 PyDoc_STRVAR(s_pack_into__doc__,
a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1650 "S.pack_into(buffer, offset, v1, v2, ...)\n\
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1651 \n\
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1652 Pack the values v1, v2, ... according to this Struct's format, write \n\
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1653 the packed bytes into the writable buffer buf starting at offset. Note\n\
795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1654 that the offset is not an optional argument. See struct.__doc__ for \n\
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1655 more on format strings.");
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1656
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1657 static PyObject *
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1658 s_pack_into(PyObject self, PyObject args)
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1659 {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1660 PyStructObject *soself;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1661 char *buffer;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1662 Py_ssize_t buffer_len, offset;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1663
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1664 /* Validate arguments. +1 is for the first arg as buffer. */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1665 soself = (PyStructObject *)self;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1666 assert(PyStruct_Check(self));
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1667 assert(soself->s_codes != NULL);
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1668 if (PyTuple_GET_SIZE(args) != (soself->s_len + 2))
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1669 {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1670 PyErr_Format(StructError,
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1671 "pack_into requires exactly %zd arguments",
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1672 (soself->s_len + 2));
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1673 return NULL;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1674 }
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1675
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1676 /* Extract a writable memory buffer from the first argument */
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1677 if ( PyObject_AsWriteBuffer(PyTuple_GET_ITEM(args, 0),
e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1678 (void**)&buffer, &buffer_len) == -1 ) {
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1679 return NULL;
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1680 }
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1681 assert( buffer_len >= 0 );
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1682
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1683 /* Extract the offset from the first argument */
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1684 offset = PyInt_AsSsize_t(PyTuple_GET_ITEM(args, 1));
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1685
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1686 /* Support negative offsets. */
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1687 if (offset < 0)
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1688 offset += buffer_len;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1689
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1690 /* Check boundaries */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1691 if (offset < 0 \|\| (buffer_len - offset) < soself->s_size) {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1692 PyErr_Format(StructError,
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1693 "pack_into requires a buffer of at least %zd bytes",
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1694 soself->s_size);
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1695 return NULL;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1696 }
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1697
38353 36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1698 /* Call the guts */
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1699 if ( s_pack_internal(soself, args, 2, buffer + offset) != 0 ) {
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1700 return NULL;
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1701 }
36cd4a4ab8f7 Support for buffer protocol for socket and struct. Martin Blais <blais@furius.ca> parents: 38322 diff changeset	1702
38470 e0cea605417e Fix ref-antileak in _struct.c which eventually lead to deallocating None. Georg Brandl <georg@python.org> parents: 38445 diff changeset	1703 Py_RETURN_NONE;
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1704 }
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1705
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1706 static PyObject *
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1707 s_get_format(PyStructObject self, void unused)
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1708 {
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1709 Py_INCREF(self->s_format);
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1710 return self->s_format;
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1711 }
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1712
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1713 static PyObject *
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1714 s_get_size(PyStructObject self, void unused)
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1715 {
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1716 return PyInt_FromSsize_t(self->s_size);
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1717 }
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1718
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1719 /* List of functions */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1720
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1721 static struct PyMethodDef s_methods[] = {
38580 a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1722 {"pack", s_pack, METH_VARARGS, s_pack__doc__},
a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1723 {"pack_into", s_pack_into, METH_VARARGS, s_pack_into__doc__},
a114003aa3d3 Fixes in struct and socket from merge reviews. Martin Blais <blais@furius.ca> parents: 38530 diff changeset	1724 {"unpack", s_unpack, METH_O, s_unpack__doc__},
38583 e00e68dd1ddf s_methods[]: Stop compiler warnings by casting Tim Peters <tim.peters@gmail.com> parents: 38580 diff changeset	1725 {"unpack_from", (PyCFunction)s_unpack_from, METH_KEYWORDS,
e00e68dd1ddf s_methods[]: Stop compiler warnings by casting Tim Peters <tim.peters@gmail.com> parents: 38580 diff changeset	1726 s_unpack_from__doc__},
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1727 {NULL, NULL} /* sentinel */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1728 };
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1729
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1730 PyDoc_STRVAR(s__doc__, "Compiled struct object");
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1731
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1732 #define OFF(x) offsetof(PyStructObject, x)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1733
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1734 static PyGetSetDef s_getsetlist[] = {
38430 795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1735 {"format", (getter)s_get_format, (setter)NULL, "struct format string", NULL},
795d1cb1df01 Fix up struct docstrings, add struct.pack_to function for symmetry Bob Ippolito <bob@redivi.com> parents: 38429 diff changeset	1736 {"size", (getter)s_get_size, (setter)NULL, "struct size in bytes", NULL},
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1737 {NULL} /* sentinel */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1738 };
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1739
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1740 static
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1741 PyTypeObject PyStructType = {
38312 05324aa444bd Fix Cygwin compiler issue Bob Ippolito <bob@redivi.com> parents: 38310 diff changeset	1742 PyObject_HEAD_INIT(NULL)
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1743 0,
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1744 "Struct",
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1745 sizeof(PyStructObject),
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1746 0,
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1747 (destructor)s_dealloc, /* tp_dealloc */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1748 0, /* tp_print */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1749 0, /* tp_getattr */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1750 0, /* tp_setattr */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1751 0, /* tp_compare */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1752 0, /* tp_repr */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1753 0, /* tp_as_number */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1754 0, /* tp_as_sequence */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1755 0, /* tp_as_mapping */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1756 0, /* tp_hash */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1757 0, /* tp_call */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1758 0, /* tp_str */
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1759 PyObject_GenericGetAttr, /* tp_getattro */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1760 PyObject_GenericSetAttr, /* tp_setattro */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1761 0, /* tp_as_buffer */
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1762 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_BASETYPE \| Py_TPFLAGS_HAVE_WEAKREFS,/* tp_flags */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1763 s__doc__, /* tp_doc */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1764 0, /* tp_traverse */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1765 0, /* tp_clear */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1766 0, /* tp_richcompare */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1767 offsetof(PyStructObject, weakreflist), /* tp_weaklistoffset */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1768 0, /* tp_iter */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1769 0, /* tp_iternext */
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1770 s_methods, /* tp_methods */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1771 NULL, /* tp_members */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1772 s_getsetlist, /* tp_getset */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1773 0, /* tp_base */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1774 0, /* tp_dict */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1775 0, /* tp_descr_get */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1776 0, /* tp_descr_set */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1777 0, /* tp_dictoffset */
38411 631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1778 s_init, /* tp_init */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1779 PyType_GenericAlloc,/* tp_alloc */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1780 s_new, /* tp_new */
631b6648fdf4 enable all of the struct tests, use ssize_t, fix some whitespace Bob Ippolito <bob@redivi.com> parents: 38378 diff changeset	1781 PyObject_Del, /* tp_free */
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1782 };
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1783
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1784 /* Module initialization */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1785
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1786 PyMODINIT_FUNC
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1787 init_struct(void)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1788 {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1789 PyObject *m = Py_InitModule("_struct", NULL);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1790 if (m == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1791 return;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1792
38312 05324aa444bd Fix Cygwin compiler issue Bob Ippolito <bob@redivi.com> parents: 38310 diff changeset	1793 PyStructType.ob_type = &PyType_Type;
05324aa444bd Fix Cygwin compiler issue Bob Ippolito <bob@redivi.com> parents: 38310 diff changeset	1794 if (PyType_Ready(&PyStructType) < 0)
05324aa444bd Fix Cygwin compiler issue Bob Ippolito <bob@redivi.com> parents: 38310 diff changeset	1795 return;
05324aa444bd Fix Cygwin compiler issue Bob Ippolito <bob@redivi.com> parents: 38310 diff changeset	1796
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1797 #ifdef PY_STRUCT_OVERFLOW_MASKING
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1798 if (pyint_zero == NULL) {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1799 pyint_zero = PyInt_FromLong(0);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1800 if (pyint_zero == NULL)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1801 return;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1802 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1803 if (pylong_ulong_mask == NULL) {
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1804 #if (SIZEOF_LONG == 4)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1805 pylong_ulong_mask = PyLong_FromString("FFFFFFFF", NULL, 16);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1806 #else
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1807 pylong_ulong_mask = PyLong_FromString("FFFFFFFFFFFFFFFF", NULL, 16);
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1808 #endif
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1809 if (pylong_ulong_mask == NULL)
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1810 return;
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1811 }
7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1812
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1813 #else
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1814 /* This speed trick can't be used until overflow masking goes away, because
bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1815 native endian always raises exceptions instead of overflow masking. */
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1816
38317 68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1817 /* Check endian and swap in faster functions */
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1818 {
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1819 int one = 1;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1820 formatdef *native = native_table;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1821 formatdef other, ptr;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1822 if ((int)(unsigned char)&one)
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1823 other = lilendian_table;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1824 else
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1825 other = bigendian_table;
38322 c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1826 /* Scan through the native table, find a matching
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1827 entry in the endian table and swap in the
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1828 native implementations whenever possible
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1829 (64-bit platforms may not have "standard" sizes) */
38317 68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1830 while (native->format != '\0' && other->format != '\0') {
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1831 ptr = other;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1832 while (ptr->format != '\0') {
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1833 if (ptr->format == native->format) {
38322 c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1834 /* Match faster when formats are
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1835 listed in the same order */
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1836 if (ptr == other)
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1837 other++;
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1838 /* Only use the trick if the
38322 c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1839 size matches */
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1840 if (ptr->size != native->size)
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1841 break;
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1842 /* Skip float and double, could be
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1843 "unknown" float format */
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1844 if (ptr->format == 'd' \|\| ptr->format == 'f')
c77da2736fb2 fix test_float regression and 64-bit size mismatch issue Bob Ippolito <bob@redivi.com> parents: 38317 diff changeset	1845 break;
38317 68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1846 ptr->pack = native->pack;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1847 ptr->unpack = native->unpack;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1848 break;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1849 }
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1850 ptr++;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1851 }
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1852 native++;
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1853 }
68a348c9868d Use faster struct pack/unpack functions for the endian table that matches the host's Bob Ippolito <bob@redivi.com> parents: 38316 diff changeset	1854 }
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1855 #endif
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1856
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1857 /* Add some symbolic constants to the module */
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1858 if (StructError == NULL) {
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1859 StructError = PyErr_NewException("struct.error", NULL, NULL);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1860 if (StructError == NULL)
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1861 return;
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1862 }
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	1863
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1864 Py_INCREF(StructError);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1865 PyModule_AddObject(m, "error", StructError);
38316 2f16e2715223 Use LONG_MIN and LONG_MAX to check Python integer bounds instead of the incorrect INT_MIN and INT_MAX Bob Ippolito <bob@redivi.com> parents: 38313 diff changeset	1866
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1867 Py_INCREF((PyObject*)&PyStructType);
895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1868 PyModule_AddObject(m, "Struct", (PyObject*)&PyStructType);
38528 e0997ffa3572 Trimmed trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 38520 diff changeset	1869
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1870 PyModule_AddIntConstant(m, "_PY_STRUCT_RANGE_CHECKING", 1);
38515 bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1871 #ifdef PY_STRUCT_OVERFLOW_MASKING
bb0d2b955439 Change wrapping terminology to overflow masking Bob Ippolito <bob@redivi.com> parents: 38493 diff changeset	1872 PyModule_AddIntConstant(m, "_PY_STRUCT_OVERFLOW_MASKING", 1);
38493 7d510e4f3c98 struct: modulo math plus warning on all endian-explicit formats for compatibility with older struct usage (ugly) Bob Ippolito <bob@redivi.com> parents: 38484 diff changeset	1873 #endif
39380 9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	1874 #ifdef PY_STRUCT_FLOAT_COERCE
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	1875 PyModule_AddIntConstant(m, "_PY_STRUCT_FLOAT_COERCE", 1);
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	1876 #endif
9cb4565e60ca Fix #1530559, struct.pack raises TypeError where it used to convert. Bob Ippolito <bob@redivi.com> parents: 39301 diff changeset	1877
38259 895da42480f1 Patch #1493701: performance enhancements for struct module. Bob Ippolito <bob@redivi.com> parents: diff changeset	1878 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/_struct.c @ 39496:352ffe77b71d legacy-trunk