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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 
     23 #include "curl_setup.h"
     24 
     25 #ifdef HAVE_STRINGS_H
     26 #include <strings.h>
     27 #endif
     28 
     29 #include "strequal.h"
     30 
     31 /*
     32  * @unittest: 1301
     33  */
     34 int curl_strequal(const char *first, const char *second)
     35 {
     36 #if defined(HAVE_STRCASECMP)
     37   return !(strcasecmp)(first, second);
     38 #elif defined(HAVE_STRCMPI)
     39   return !(strcmpi)(first, second);
     40 #elif defined(HAVE_STRICMP)
     41   return !(stricmp)(first, second);
     42 #else
     43   while(*first && *second) {
     44     if(toupper(*first) != toupper(*second)) {
     45       break;
     46     }
     47     first++;
     48     second++;
     49   }
     50   return toupper(*first) == toupper(*second);
     51 #endif
     52 }
     53 
     54 /*
     55  * @unittest: 1301
     56  */
     57 int curl_strnequal(const char *first, const char *second, size_t max)
     58 {
     59 #if defined(HAVE_STRNCASECMP)
     60   return !strncasecmp(first, second, max);
     61 #elif defined(HAVE_STRNCMPI)
     62   return !strncmpi(first, second, max);
     63 #elif defined(HAVE_STRNICMP)
     64   return !strnicmp(first, second, max);
     65 #else
     66   while(*first && *second && max) {
     67     if(toupper(*first) != toupper(*second)) {
     68       break;
     69     }
     70     max--;
     71     first++;
     72     second++;
     73   }
     74   if(0 == max)
     75     return 1; /* they are equal this far */
     76 
     77   return toupper(*first) == toupper(*second);
     78 #endif
     79 }
     80