xref: /curl/lib/strcase.h (revision 2bc1d775)
1 #ifndef HEADER_CURL_STRCASE_H
2 #define HEADER_CURL_STRCASE_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11  *
12  * This software is licensed as described in the file COPYING, which
13  * you should have received as part of this distribution. The terms
14  * are also available at https://curl.se/docs/copyright.html.
15  *
16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17  * copies of the Software, and permit persons to whom the Software is
18  * furnished to do so, under the terms of the COPYING file.
19  *
20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * KIND, either express or implied.
22  *
23  * SPDX-License-Identifier: curl
24  *
25  ***************************************************************************/
26 
27 #include <curl/curl.h>
28 
29 /*
30  * Only "raw" case insensitive strings. This is meant to be locale independent
31  * and only compare strings we know are safe for this.
32  *
33  * The function is capable of comparing a-z case insensitively.
34  *
35  * Result is 1 if text matches and 0 if not.
36  */
37 
38 #define strcasecompare(a,b) curl_strequal(a,b)
39 #define strncasecompare(a,b,c) curl_strnequal(a,b,c)
40 
41 char Curl_raw_toupper(char in);
42 char Curl_raw_tolower(char in);
43 
44 /* checkprefix() is a shorter version of the above, used when the first
45    argument is the string literal */
46 #define checkprefix(a,b)    curl_strnequal(b, STRCONST(a))
47 
48 void Curl_strntoupper(char *dest, const char *src, size_t n);
49 void Curl_strntolower(char *dest, const char *src, size_t n);
50 
51 bool Curl_safecmp(char *a, char *b);
52 int Curl_timestrcmp(const char *first, const char *second);
53 
54 #endif /* HEADER_CURL_STRCASE_H */
55