view Python/pystrcmp.c @ 48848:5c75a33ef5b2

Merged revisions 66006 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk TESTED=./python -E -tt ./Lib/test/regrtest.py -uall (both debug and opt modes) ........ r66006 | neal.norwitz | 2008-08-23 22:04:52 -0700 (Sat, 23 Aug 2008) | 25 lines Fix: * crashes on memory allocation failure found with failmalloc * memory leaks found with valgrind * compiler warnings in opt mode which would lead to invalid memory reads * problem using wrong name in decimal module reported by pychecker Update the valgrind suppressions file with new leaks that are small/one-time leaks we don't care about (ie, they are too hard to fix). TBR=barry TESTED=./python -E -tt ./Lib/test/regrtest.py -uall (both debug and opt modes) in opt mode: valgrind -q --leak-check=yes --suppressions=Misc/valgrind-python.supp \ ./python -E -tt ./Lib/test/regrtest.py -uall,-bsddb,-compiler \ -x test_logging test_ssl test_multiprocessing valgrind -q --leak-check=yes --suppressions=Misc/valgrind-python.supp \ ./python -E -tt ./Lib/test/regrtest.py test_multiprocessing for i in `seq 1 4000` ; do LD_PRELOAD=~/local/lib/libfailmalloc.so FAILMALLOC_INTERVAL=$i \ ./python -c pass done At least some of these fixes should probably be backported to 2.5. ........
author Neal Norwitz <nnorwitz@gmail.com>
date Sun, 24 Aug 2008 05:48:10 +0000
parents 0a485593ae1c
children fd25030223b0
line wrap: on
line source

/* Cross platform case insensitive string compare functions
 */

#include "Python.h"

int
PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size)
{
	if (size == 0)
		return 0;
	while ((--size > 0) &&
	       (tolower((unsigned)*s1) == tolower((unsigned)*s2))) {
		if (!*s1++ || !*s2++)
			break;
	}
	return tolower((unsigned)*s1) - tolower((unsigned)*s2);
}

int
PyOS_mystricmp(const char *s1, const char *s2)
{
	while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) {
		;
	}
	return (tolower((unsigned)*s1) - tolower((unsigned)*s2));
}