Mercurial > cpython-lru_cache-weakref

annotate Python/structmember.c @ 45852:30c4e1ca8421

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Merged revisions 61431,61433-61436,61439,61444,61449-61450,61453,61458,61465,61468,61471-61474,61480,61483-61484,61488,61495-61496,61498,61503-61504,61507,61509-61510,61515-61518 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61431 | vinay.sajip | 2008-03-16 22:35:58 +0100 (So, 16 Mär 2008) | 1 line Clarified documentation on use of shutdown(). ........ r61433 | mark.summerfield | 2008-03-17 09:28:15 +0100 (Mo, 17 Mär 2008) | 5 lines Added a footnote to each pointing out that for XML output if an encoding string is given it should conform to the appropriate XML standards---for example, "UTF-8" is okay, but "UTF8" is not. ........ r61434 | eric.smith | 2008-03-17 12:01:01 +0100 (Mo, 17 Mär 2008) | 7 lines Issue 2264: empty float presentation type needs to have at least one digit past the decimal point. Added "Z" format_char to PyOS_ascii_formatd to support empty float presentation type. Renamed buf_size in PyOS_ascii_formatd to more accurately reflect it's meaning. Modified format.__float__ to use the new "Z" format as the default. Added test cases. ........ r61435 | eric.smith | 2008-03-17 13:14:29 +0100 (Mo, 17 Mär 2008) | 2 lines Reformated lines > 79 chars. Deleted unused macro ISXDIGIT. ........ r61436 | jeffrey.yasskin | 2008-03-17 15:40:53 +0100 (Mo, 17 Mär 2008) | 13 lines Allow Gnu gcc's to build python on OSX by removing -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd from configure. * r22183 added -no-cpp-precomp, which http://gcc.gnu.org/ml/gcc/2005-12/msg00368.html claims hasn't been needed since gcc-3.1. * r25607 added -Wno-long-double to avoid a warning in Include/objimpl.h (issue 525481). The long double is still there, but OSX 10.4's gcc no longer warns about it. * r33666 fixed issue 775892 on OSX 10.3 by adding -mno-fused-madd, which changed the sign of some float 0s. Tim Peters said it wasn't a real issue anyway, and it no longer causes test failures. Fixes issue #1779871. ........ r61439 | martin.v.loewis | 2008-03-17 17:31:57 +0100 (Mo, 17 Mär 2008) | 2 lines Add Trent Nelson. ........ r61444 | travis.oliphant | 2008-03-17 18:36:12 +0100 (Mo, 17 Mär 2008) | 1 line Add necessary headers to back-port new buffer protocol to Python 2.6 ........ r61449 | gregory.p.smith | 2008-03-17 19:48:05 +0100 (Mo, 17 Mär 2008) | 8 lines Force zlib.crc32 and zlib.adler32 to return a signed integer on all platforms regardless of the native sizeof(long) used in the integer object. This somewhat odd behavior of returning a signed is maintained in 2.x for compatibility reasons of always returning an integer rather than a long object. Fixes Issue1202 for Python 2.6 ........ r61450 | neal.norwitz | 2008-03-17 20:02:45 +0100 (Mo, 17 Mär 2008) | 3 lines Use a buffer large enough to ensure we don't overrun, even if the value is outside the range we expect. ........ r61453 | steven.bethard | 2008-03-17 20:33:11 +0100 (Mo, 17 Mär 2008) | 1 line Document unicode.isnumeric() and unicode.isdecimal() (issue2326) ........ r61458 | neal.norwitz | 2008-03-17 21:22:43 +0100 (Mo, 17 Mär 2008) | 5 lines Issue 2321: reduce memory usage (increase the memory that is returned to the system) by using pymalloc for the data of unicode objects. Will backport. ........ r61465 | martin.v.loewis | 2008-03-17 22:55:30 +0100 (Mo, 17 Mär 2008) | 2 lines Add David Wolever. ........ r61468 | gregory.p.smith | 2008-03-18 01:20:01 +0100 (Di, 18 Mär 2008) | 3 lines Fix the IOError message text when opening a file with an invalid filename. Error reported by Ilan Schnell. ........ r61471 | brett.cannon | 2008-03-18 02:00:07 +0100 (Di, 18 Mär 2008) | 2 lines Convert test_strftime, test_getargs, and test_pep247 to use unittest. ........ r61472 | jeffrey.yasskin | 2008-03-18 02:09:59 +0100 (Di, 18 Mär 2008) | 2 lines Fix build on platforms that don't have intptr_t. Patch by Joseph Armbruster. ........ r61473 | brett.cannon | 2008-03-18 02:50:25 +0100 (Di, 18 Mär 2008) | 2 lines Convert test_dummy_threading and test_dbm to unittest. ........ r61474 | brett.cannon | 2008-03-18 02:58:56 +0100 (Di, 18 Mär 2008) | 2 lines Move test_extcall to doctest. ........ r61480 | brett.cannon | 2008-03-18 04:46:22 +0100 (Di, 18 Mär 2008) | 2 lines test_errno was a no-op test; now it actually tests things and uses unittest. ........ r61483 | brett.cannon | 2008-03-18 05:09:00 +0100 (Di, 18 Mär 2008) | 3 lines Remove our implementation of memmove() and strerror(); both are in the C89 standard library. ........ r61484 | brett.cannon | 2008-03-18 05:16:06 +0100 (Di, 18 Mär 2008) | 2 lines The output directory for tests that compare against stdout is now gone! ........ r61488 | jeffrey.yasskin | 2008-03-18 05:29:35 +0100 (Di, 18 Mär 2008) | 2 lines Block the "socket.ssl() is deprecated" warning from test_socket_ssl. ........ r61495 | jeffrey.yasskin | 2008-03-18 05:56:06 +0100 (Di, 18 Mär 2008) | 4 lines Speed test_thread up from 51.328s to 0.081s by reducing its sleep times. We still sleep at all to make it likely that all threads are active at the same time. ........ r61496 | jeffrey.yasskin | 2008-03-18 06:12:41 +0100 (Di, 18 Mär 2008) | 4 lines Speed up test_dict by about 10x by only checking selected dict literal sizes, instead of every integer from 0 to 400. Exhaustive testing wastes time without providing enough more assurance that the code is correct. ........ r61498 | neal.norwitz | 2008-03-18 06:20:29 +0100 (Di, 18 Mär 2008) | 1 line Try increasing the timeout to reduce the flakiness of this test. ........ r61503 | brett.cannon | 2008-03-18 06:43:04 +0100 (Di, 18 Mär 2008) | 2 lines Improve the error message for a test that failed on the S-390 Debian buildbot. ........ r61504 | jeffrey.yasskin | 2008-03-18 06:45:40 +0100 (Di, 18 Mär 2008) | 3 lines Add a -S/--slow flag to regrtest to have it print the 10 slowest tests with their times. ........ r61507 | neal.norwitz | 2008-03-18 07:03:46 +0100 (Di, 18 Mär 2008) | 1 line Add some info to the failure messages ........ r61509 | trent.nelson | 2008-03-18 08:02:12 +0100 (Di, 18 Mär 2008) | 1 line Issue 2286: bump up the stack size of the 64-bit debug python_d.exe to 2100000. The default value of 200000 causes a stack overflow at 1965 iterations of r_object() in marshal.c, 35 iterations before the 2000 limit enforced by MAX_MARSHAL_STACK_DEPTH. ........ r61510 | trent.nelson | 2008-03-18 08:32:47 +0100 (Di, 18 Mär 2008) | 5 lines The behaviour of winsound.Beep() seems to differ between different versions of Windows when there's either: a) no sound card entirely b) legacy beep driver has been disabled c) the legacy beep driver has been uninstalled Sometimes RuntimeErrors are raised, sometimes they're not. If _have_soundcard() returns False, don't expect winsound.Beep() to raise a RuntimeError, as this clearly isn't the case, as demonstrated by the various Win32 XP buildbots. ........ r61515 | martin.v.loewis | 2008-03-18 13:20:15 +0100 (Di, 18 Mär 2008) | 2 lines norwitz-amd64 (gentoo) has EREMOTEIO. ........ r61516 | martin.v.loewis | 2008-03-18 13:45:37 +0100 (Di, 18 Mär 2008) | 2 lines Add more Linux error codes. ........ r61517 | martin.v.loewis | 2008-03-18 14:05:03 +0100 (Di, 18 Mär 2008) | 2 lines Add WSA errors. ........ r61518 | martin.v.loewis | 2008-03-18 14:16:05 +0100 (Di, 18 Mär 2008) | 2 lines Note that the stderr output of the test is intentional. ........
author Christian Heimes <christian@cheimes.de>
date Tue, 18 Mar 2008 15:15:01 +0000
parents fefaa0e66fdd
children ea594306ea85
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1
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2 /* Map C struct members to Python object attributes */
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4 #include "Python.h"
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5
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6 #include "structmember.h"
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7
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8 PyObject *
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9 PyMember_GetOne(const char *addr, PyMemberDef *l)
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10 {
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11 PyObject *v;
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12
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13 addr += l->offset;
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14 switch (l->type) {
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15 case T_BOOL:
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16 v = PyBool_FromLong(*(char*)addr);
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17 break;
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18 case T_BYTE:
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19 v = PyLong_FromLong(*(char*)addr);
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20 break;
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21 case T_UBYTE:
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22 v = PyLong_FromUnsignedLong(*(unsigned char*)addr);
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23 break;
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24 case T_SHORT:
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25 v = PyLong_FromLong(*(short*)addr);
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26 break;
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27 case T_USHORT:
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28 v = PyLong_FromUnsignedLong(*(unsigned short*)addr);
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29 break;
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30 case T_INT:
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31 v = PyLong_FromLong(*(int*)addr);
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32 break;
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33 case T_UINT:
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34 v = PyLong_FromUnsignedLong(*(unsigned int*)addr);
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35 break;
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36 case T_LONG:
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37 v = PyLong_FromLong(*(long*)addr);
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38 break;
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39 case T_ULONG:
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40 v = PyLong_FromUnsignedLong(*(unsigned long*)addr);
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41 break;
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42 case T_PYSSIZET:
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43 v = PyLong_FromSsize_t(*(Py_ssize_t*)addr);
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44 break;
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45 case T_FLOAT:
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46 v = PyFloat_FromDouble((double)*(float*)addr);
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47 break;
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48 case T_DOUBLE:
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49 v = PyFloat_FromDouble(*(double*)addr);
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50 break;
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51 case T_STRING:
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52 if (*(char**)addr == NULL) {
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53 Py_INCREF(Py_None);
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54 v = Py_None;
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55 }
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56 else
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57 v = PyUnicode_FromString(*(char**)addr);
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58 break;
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59 case T_STRING_INPLACE:
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60 v = PyUnicode_FromString((char*)addr);
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61 break;
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62 case T_CHAR:
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63 v = PyUnicode_FromStringAndSize((char*)addr, 1);
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64 break;
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65 case T_OBJECT:
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66 v = *(PyObject **)addr;
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67 if (v == NULL)
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68 v = Py_None;
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69 Py_INCREF(v);
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70 break;
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71 case T_OBJECT_EX:
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72 v = *(PyObject **)addr;
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73 if (v == NULL)
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74 PyErr_SetString(PyExc_AttributeError, l->name);
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75 Py_XINCREF(v);
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76 break;
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77 #ifdef HAVE_LONG_LONG
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78 case T_LONGLONG:
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79 v = PyLong_FromLongLong(*(PY_LONG_LONG *)addr);
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80 break;
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81 case T_ULONGLONG:
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82 v = PyLong_FromUnsignedLongLong(*(unsigned PY_LONG_LONG *)addr);
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83 break;
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84 #endif /* HAVE_LONG_LONG */
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85 case T_NONE:
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86 v = Py_None;
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87 Py_INCREF(v);
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88 break;
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89 default:
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90 PyErr_SetString(PyExc_SystemError, "bad memberdescr type");
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91 v = NULL;
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92 }
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93 return v;
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94 }
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95
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96 #define WARN(msg) \
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97 do { \
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98 if (PyErr_WarnEx(PyExc_RuntimeWarning, msg, 1) < 0) \
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99 return -1; \
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100 } while (0)
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101
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102 int
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103 PyMember_SetOne(char *addr, PyMemberDef *l, PyObject *v)
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104 {
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105 PyObject *oldv;
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106
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107 if ((l->flags & READONLY) || l->type == T_STRING)
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108 {
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109 PyErr_SetString(PyExc_AttributeError, "readonly attribute");
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110 return -1;
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111 }
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112 if (v == NULL && l->type != T_OBJECT_EX && l->type != T_OBJECT) {
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113 PyErr_SetString(PyExc_TypeError,
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114 "can't delete numeric/char attribute");
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115 return -1;
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116 }
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117 addr += l->offset;
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118 switch (l->type) {
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119 case T_BOOL:{
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120 if (!PyBool_Check(v)) {
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121 PyErr_SetString(PyExc_TypeError,
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122 "attribute value type must be bool");
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123 return -1;
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124 }
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125 if (v == Py_True)
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126 *(char*)addr = (char) 1;
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127 else
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128 *(char*)addr = (char) 0;
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129 break;
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130 }
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131 case T_BYTE:{
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132 long long_val = PyLong_AsLong(v);
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133 if ((long_val == -1) && PyErr_Occurred())
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134 return -1;
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135 *(char*)addr = (char)long_val;
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136 /* XXX: For compatibility, only warn about truncations
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137 for now. */
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138 if ((long_val > CHAR_MAX) || (long_val < CHAR_MIN))
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139 WARN("Truncation of value to char");
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140 break;
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141 }
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142 case T_UBYTE:{
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143 long long_val = PyLong_AsLong(v);
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144 if ((long_val == -1) && PyErr_Occurred())
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145 return -1;
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146 *(unsigned char*)addr = (unsigned char)long_val;
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147 if ((long_val > UCHAR_MAX) || (long_val < 0))
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148 WARN("Truncation of value to unsigned char");
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149 break;
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150 }
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151 case T_SHORT:{
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152 long long_val = PyLong_AsLong(v);
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153 if ((long_val == -1) && PyErr_Occurred())
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154 return -1;
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155 *(short*)addr = (short)long_val;
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156 if ((long_val > SHRT_MAX) || (long_val < SHRT_MIN))
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157 WARN("Truncation of value to short");
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158 break;
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159 }
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160 case T_USHORT:{
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161 long long_val = PyLong_AsLong(v);
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162 if ((long_val == -1) && PyErr_Occurred())
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163 return -1;
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164 *(unsigned short*)addr = (unsigned short)long_val;
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165 if ((long_val > USHRT_MAX) || (long_val < 0))
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166 WARN("Truncation of value to unsigned short");
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167 break;
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168 }
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169 case T_INT:{
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170 long long_val = PyLong_AsLong(v);
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171 if ((long_val == -1) && PyErr_Occurred())
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172 return -1;
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173 *(int *)addr = (int)long_val;
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174 if ((long_val > INT_MAX) || (long_val < INT_MIN))
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175 WARN("Truncation of value to int");
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176 break;
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177 }
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178 case T_UINT:{
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179 unsigned long ulong_val = PyLong_AsUnsignedLong(v);
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180 if ((ulong_val == (unsigned int)-1) && PyErr_Occurred()) {
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181 /* XXX: For compatibility, accept negative int values
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182 as well. */
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183 PyErr_Clear();
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184 ulong_val = PyLong_AsLong(v);
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185 if ((ulong_val == (unsigned int)-1) && PyErr_Occurred())
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186 return -1;
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187 *(unsigned int *)addr = (unsigned int)ulong_val;
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188 WARN("Writing negative value into unsigned field");
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189 } else
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190 *(unsigned int *)addr = (unsigned int)ulong_val;
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191 if (ulong_val > UINT_MAX)
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192 WARN("Truncation of value to unsigned int");
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193 break;
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194 }
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195 case T_LONG:{
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196 *(long*)addr = PyLong_AsLong(v);
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197 if ((*(long*)addr == -1) && PyErr_Occurred())
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198 return -1;
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199 break;
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200 }
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201 case T_ULONG:{
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202 *(unsigned long*)addr = PyLong_AsUnsignedLong(v);
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203 if ((*(unsigned long*)addr == (unsigned long)-1)
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204 && PyErr_Occurred()) {
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205 /* XXX: For compatibility, accept negative int values
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206 as well. */
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207 PyErr_Clear();
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208 *(unsigned long*)addr = PyLong_AsLong(v);
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209 if ((*(unsigned long*)addr == (unsigned int)-1)
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210 && PyErr_Occurred())
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211 return -1;
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212 WARN("Writing negative value into unsigned field");
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213 }
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214 break;
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215 }
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216 case T_PYSSIZET:{
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217 *(Py_ssize_t*)addr = PyLong_AsSsize_t(v);
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218 if ((*(Py_ssize_t*)addr == (Py_ssize_t)-1)
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219 && PyErr_Occurred())
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220 return -1;
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221 break;
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222 }
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223 case T_FLOAT:{
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224 double double_val = PyFloat_AsDouble(v);
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225 if ((double_val == -1) && PyErr_Occurred())
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226 return -1;
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227 *(float*)addr = (float)double_val;
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228 break;
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229 }
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230 case T_DOUBLE:
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231 *(double*)addr = PyFloat_AsDouble(v);
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232 if ((*(double*)addr == -1) && PyErr_Occurred())
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233 return -1;
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234 break;
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235 case T_OBJECT:
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ef6f692c76e2 Fix SF bug #486144: Uninitialized __slot__ vrbl is None.
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236 case T_OBJECT_EX:
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237 Py_XINCREF(v);
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238 oldv = *(PyObject **)addr;
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239 *(PyObject **)addr = v;
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240 Py_XDECREF(oldv);
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241 break;
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242 case T_CHAR:
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dd03aa741f56 This is the uncontroversial half of patch 1263 by Thomas Lee:
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243 if (PyUnicode_Check(v) && PyUnicode_GetSize(v) == 1) {
dd03aa741f56 This is the uncontroversial half of patch 1263 by Thomas Lee:
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244 *(char*)addr = PyUnicode_AsString(v)[0];
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245 }
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246 else {
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247 PyErr_BadArgument();
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248 return -1;
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249 }
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250 break;
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e9ffad6d8822 Patch #1115086: support PY_LONGLONG in structmember.
Martin v. Löwis <martin@v.loewis.de>
parents: 30979
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251 #ifdef HAVE_LONG_LONG
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252 case T_LONGLONG:{
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253 PY_LONG_LONG value;
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254 *(PY_LONG_LONG*)addr = value = PyLong_AsLongLong(v);
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255 if ((value == -1) && PyErr_Occurred())
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256 return -1;
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257 break;
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258 }
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259 case T_ULONGLONG:{
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260 unsigned PY_LONG_LONG value;
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261 /* ??? PyLong_AsLongLong accepts an int, but PyLong_AsUnsignedLongLong
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262 doesn't ??? */
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263 if (PyLong_Check(v))
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264 *(unsigned PY_LONG_LONG*)addr = value = PyLong_AsUnsignedLongLong(v);
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265 else
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f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43603
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266 *(unsigned PY_LONG_LONG*)addr = value = PyLong_AsLong(v);
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267 if ((value == (unsigned PY_LONG_LONG)-1) && PyErr_Occurred())
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268 return -1;
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269 break;
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270 }
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parents: 30979
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271 #endif /* HAVE_LONG_LONG */
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272 default:
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273 PyErr_Format(PyExc_SystemError,
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274 "bad memberdescr type for %s", l->name);
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275 return -1;
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276 }
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277 return 0;
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278 }