curl/lib/strequal.c

80 строки
2.1 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* 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 COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include "strequal.h"
/*
* @unittest: 1301
*/
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
}
/*
* @unittest: 1301
*/
int curl_strnequal(const char *first, const char *second, size_t max)
{
#if defined(HAVE_STRNCASECMP)
return !strncasecmp(first, second, max);
#elif defined(HAVE_STRNCMPI)
return !strncmpi(first, second, max);
#elif defined(HAVE_STRNICMP)
return !strnicmp(first, second, max);
#else
while(*first && *second && max) {
if(toupper(*first) != toupper(*second)) {
break;
}
max--;
first++;
second++;
}
if(0 == max)
return 1; /* they are equal this far */
return toupper(*first) == toupper(*second);
#endif
}