cpython-lru_cache-weakref: Python/mysnprintf.c annotate

annotate Python/mysnprintf.c @ 63509:5fd09e410d36 2.6

Merged revisions 83429,83436 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/release27-maint ................ r83429 | georg.brandl | 2010-08-01 21:14:56 +0200 (So, 01 Aug 2010) | 37 lines Merged revisions 83352,83356-83358,83362,83366,83368-83369 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r83352 | georg.brandl | 2010-07-31 20:11:07 +0200 (Sa, 31 Jul 2010) | 1 line #9440: Remove borderline test case that fails based on unpredictable conditions such as compiler flags. ........ r83356 | georg.brandl | 2010-07-31 21:29:15 +0200 (Sa, 31 Jul 2010) | 1 line Remove trailing whitespace. ........ r83357 | georg.brandl | 2010-07-31 21:59:55 +0200 (Sa, 31 Jul 2010) | 1 line #5778: document that sys.version can contain a newline. ........ r83358 | georg.brandl | 2010-07-31 22:05:31 +0200 (Sa, 31 Jul 2010) | 1 line #9442: do not document a specific format for sys.version; rather refer to version_info and the platform module. ........ r83362 | georg.brandl | 2010-07-31 23:12:15 +0200 (Sa, 31 Jul 2010) | 1 line #8910: add a file explaining why Lib/test/data is there. ........ r83366 | georg.brandl | 2010-07-31 23:26:40 +0200 (Sa, 31 Jul 2010) | 1 line There always is a False and True now. ........ r83368 | georg.brandl | 2010-07-31 23:40:15 +0200 (Sa, 31 Jul 2010) | 1 line #7909: the prefixes \\.\ and \\?\ indicate special Windows paths, do not try to manipulate them. See http://msdn.microsoft.com/en-us/library/aa365247%28VS.85%29.aspx for details. ........ r83369 | georg.brandl | 2010-07-31 23:41:42 +0200 (Sa, 31 Jul 2010) | 1 line Fix "Berkeley" name. ........ ................ r83436 | georg.brandl | 2010-08-01 21:33:15 +0200 (So, 01 Aug 2010) | 42 lines Merged revisions 83259,83261,83264-83265,83268-83269,83271-83272,83281 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r83259 | georg.brandl | 2010-07-30 09:03:39 +0200 (Fr, 30 Jul 2010) | 1 line Clarification. ........ r83261 | georg.brandl | 2010-07-30 09:21:26 +0200 (Fr, 30 Jul 2010) | 1 line #9230: allow Pdb.checkline() to be called without a current frame, for setting breakpoints before starting debugging. ........ r83264 | georg.brandl | 2010-07-30 10:45:26 +0200 (Fr, 30 Jul 2010) | 1 line Document the "jump" command in pdb.__doc__, and add a version tag for "until X". ........ r83265 | georg.brandl | 2010-07-30 10:54:49 +0200 (Fr, 30 Jul 2010) | 1 line #8015: fix crash when entering an empty line for breakpoint commands. Also restore environment properly when an exception occurs during the definition of commands. ........ r83268 | georg.brandl | 2010-07-30 11:23:23 +0200 (Fr, 30 Jul 2010) | 2 lines Issue #8048: Prevent doctests from failing when sys.displayhook has been reassigned. ........ r83269 | georg.brandl | 2010-07-30 11:43:00 +0200 (Fr, 30 Jul 2010) | 1 line #6719: In pdb, do not stop somewhere in the encodings machinery if the source file to be debugged is in a non-builtin encoding. ........ r83271 | georg.brandl | 2010-07-30 11:59:28 +0200 (Fr, 30 Jul 2010) | 1 line #5727: Restore the ability to use readline when calling into pdb in doctests. ........ r83272 | georg.brandl | 2010-07-30 12:29:19 +0200 (Fr, 30 Jul 2010) | 1 line #5294: Fix the behavior of pdb "continue" command when called in the top-level debugged frame. ........ r83281 | georg.brandl | 2010-07-30 15:36:43 +0200 (Fr, 30 Jul 2010) | 1 line Add myself for pdb. ........ ................

author	Georg Brandl <georg@python.org>
date	Sun, 01 Aug 2010 22:10:15 +0000
parents	e38335d4df91
children	787b969d37f0

rev	line source
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	1 #include "Python.h"
79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	2 #include <ctype.h>
79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	3
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	4 /* snprintf() wrappers. If the platform has vsnprintf, we use it, else we
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	5 emulate it in a half-hearted way. Even if the platform has it, we wrap
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	6 it because platforms differ in what vsnprintf does in case the buffer
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	7 is too small: C99 behavior is to return the number of characters that
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	8 would have been written had the buffer not been too small, and to set
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	9 the last byte of the buffer to \0. At least MS _vsnprintf returns a
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	10 negative value instead, and fills the entire buffer with non-\0 data.
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	11
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	12 The wrappers ensure that str[size-1] is always \0 upon return.
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	13
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	14 PyOS_snprintf and PyOS_vsnprintf never write more than size bytes
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	15 (including the trailing '\0') into str.
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	16
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	17 If the platform doesn't have vsnprintf, and the buffer size needed to
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	18 avoid truncation exceeds size by more than 512, Python aborts with a
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	19 Py_FatalError.
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	20
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	21 Return value (rv):
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	22
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	23 When 0 <= rv < size, the output conversion was unexceptional, and
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	24 rv characters were written to str (excluding a trailing \0 byte at
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	25 str[rv]).
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	26
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	27 When rv >= size, output conversion was truncated, and a buffer of
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	28 size rv+1 would have been needed to avoid truncation. str[size-1]
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	29 is \0 in this case.
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	30
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	31 When rv < 0, "something bad happened". str[size-1] is \0 in this
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	32 case too, but the rest of str is unreliable. It could be that
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	33 an error in format codes was detected by libc, or on platforms
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	34 with a non-C99 vsnprintf simply that the buffer wasn't big enough
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	35 to avoid truncation, or on platforms without any vsnprintf that
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	36 PyMem_Malloc couldn't obtain space for a temp buffer.
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	37
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	38 CAUTION: Unlike C99, str != NULL and size > 0 are required.
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	39 */
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	40
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	41 int
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	42 PyOS_snprintf(char str, size_t size, const char format, ...)
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	43 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	44 int rc;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	45 va_list va;
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	46
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	47 va_start(va, format);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	48 rc = PyOS_vsnprintf(str, size, format, va);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	49 va_end(va);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	50 return rc;
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	51 }
79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	52
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	53 int
87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	54 PyOS_vsnprintf(char str, size_t size, const char format, va_list va)
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	55 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	56 int len; /* # bytes written, excluding \0 */
47342 a8cc8e6f0c1a Fix issue2589: there was a potential integer overflow leading to Gregory P. Smith <greg@mad-scientist.com> parents: 21518 diff changeset	57 #ifdef HAVE_SNPRINTF
a8cc8e6f0c1a Fix issue2589: there was a potential integer overflow leading to Gregory P. Smith <greg@mad-scientist.com> parents: 21518 diff changeset	58 #define _PyOS_vsnprintf_EXTRA_SPACE 1
a8cc8e6f0c1a Fix issue2589: there was a potential integer overflow leading to Gregory P. Smith <greg@mad-scientist.com> parents: 21518 diff changeset	59 #else
a8cc8e6f0c1a Fix issue2589: there was a potential integer overflow leading to Gregory P. Smith <greg@mad-scientist.com> parents: 21518 diff changeset	60 #define _PyOS_vsnprintf_EXTRA_SPACE 512
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	61 char *buffer;
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	62 #endif
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	63 assert(str != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	64 assert(size > 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	65 assert(format != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	66 /* We take a size_t as input but return an int. Sanity check
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	67 * our input so that it won't cause an overflow in the
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	68 * vsnprintf return value or the buffer malloc size. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	69 if (size > INT_MAX - _PyOS_vsnprintf_EXTRA_SPACE) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	70 len = -666;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	71 goto Done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	72 }
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	73
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	74 #ifdef HAVE_SNPRINTF
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	75 len = vsnprintf(str, size, format, va);
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	76 #else
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	77 /* Emulate it. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	78 buffer = PyMem_MALLOC(size + _PyOS_vsnprintf_EXTRA_SPACE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	79 if (buffer == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	80 len = -666;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	81 goto Done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	82 }
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	83
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	84 len = vsprintf(buffer, format, va);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	85 if (len < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	86 /* ignore the error */;
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	87
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	88 else if ((size_t)len >= size + _PyOS_vsnprintf_EXTRA_SPACE)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	89 Py_FatalError("Buffer overflow in PyOS_snprintf/PyOS_vsnprintf");
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	90
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	91 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	92 const size_t to_copy = (size_t)len < size ?
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	93 (size_t)len : size - 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	94 assert(to_copy < size);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	95 memcpy(str, buffer, to_copy);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	96 str[to_copy] = '\0';
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	97 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	98 PyMem_FREE(buffer);
47342 a8cc8e6f0c1a Fix issue2589: there was a potential integer overflow leading to Gregory P. Smith <greg@mad-scientist.com> parents: 21518 diff changeset	99 #endif
21145 87fa6e9bd77e mysnprintf.c: Massive rewrite of PyOS_snprintf and PyOS_vsnprintf, to Tim Peters <tim.peters@gmail.com> parents: 21126 diff changeset	100 Done:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	101 if (size > 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	102 str[size-1] = '\0';
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 47345 diff changeset	103 return len;
47342 a8cc8e6f0c1a Fix issue2589: there was a potential integer overflow leading to Gregory P. Smith <greg@mad-scientist.com> parents: 21518 diff changeset	104 #undef _PyOS_vsnprintf_EXTRA_SPACE
18908 79c676f9b34a This patch turns the Python API mismatch notice into a standard Marc-André Lemburg <mal@egenix.com> parents: diff changeset	105 }

Mercurial > cpython-lru_cache-weakref

annotate Python/mysnprintf.c @ 63509:5fd09e410d36 2.6