vlc/compat/strcasecmp.c

44 lines
1.5 KiB
C

/*****************************************************************************
* strcasecmp.c: POSIX strcasecmp() replacement
*****************************************************************************
* Copyright © 1998-2008 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <ctype.h>
#include <assert.h>
int strcasecmp (const char *s1, const char *s2)
{
#ifdef _WIN32
return _stricmp (s1, s2);
#else
for (size_t i = 0;; i++)
{
unsigned char c1 = s1[i], c2 = s2[i];
int d = tolower (c1) - tolower (c2);
if (d || !c1)
return d;
assert (c2);
}
#endif
}