curl/lib/strequal.c

69 lines
2.0 KiB
C

/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2000, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* In order to be useful for every potential user, curl and libcurl are
* dual-licensed under the MPL and the MIT/X-derivate licenses.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the MPL or the MIT/X-derivate
* licenses. You may pick one of these licenses.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
*****************************************************************************/
#include "setup.h"
#include <string.h>
int Curl_strequal(const char *first, const char *second)
{
#if defined(HAVE_STRCASECMP)
return !strcasecmp(first, second);
#elif defined(HAVE_STRCMPI)
return !strcmpi(first, second);
#elif defined(HAVE_STRICMP)
return !stricmp(first, second);
#else
while (*first && *second) {
if (toupper(*first) != toupper(*second)) {
break;
}
first++;
second++;
}
return toupper(*first) == toupper(*second);
#endif
}
int Curl_strnequal(const char *first, const char *second, size_t max)
{
#if defined(HAVE_STRCASECMP)
return !strncasecmp(first, second, max);
#elif defined(HAVE_STRCMPI)
return !strncmpi(first, second, max);
#elif defined(HAVE_STRICMP)
return !strnicmp(first, second, max);
#else
while (*first && *second && max) {
if (toupper(*first) != toupper(*second)) {
break;
}
max--;
first++;
second++;
}
return toupper(*first) == toupper(*second);
#endif
}