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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@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 http://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  */
curl_strequal(const char * first,const char * second)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  */
curl_strnequal(const char * first,const char * second,size_t max)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