1 #ifndef HEADER_CURL_CTYPE_H
2 #define HEADER_CURL_CTYPE_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 1998 - 2020, 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  ***************************************************************************/
24 
25 #include "curl_setup.h"
26 
27 #ifdef CURL_DOES_CONVERSIONS
28 
29 /*
30  * Uppercase macro versions of ANSI/ISO is*() functions/macros which
31  * avoid negative number inputs with argument byte codes > 127.
32  *
33  * For non-ASCII platforms the C library character classification routines
34  * are used despite being locale-dependent, because this is better than
35  * not to work at all.
36  */
37 #include <ctype.h>
38 
39 #define ISSPACE(x)  (isspace((int)  ((unsigned char)x)))
40 #define ISDIGIT(x)  (isdigit((int)  ((unsigned char)x)))
41 #define ISALNUM(x)  (isalnum((int)  ((unsigned char)x)))
42 #define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x)))
43 #define ISGRAPH(x)  (isgraph((int)  ((unsigned char)x)))
44 #define ISALPHA(x)  (isalpha((int)  ((unsigned char)x)))
45 #define ISPRINT(x)  (isprint((int)  ((unsigned char)x)))
46 #define ISUPPER(x)  (isupper((int)  ((unsigned char)x)))
47 #define ISLOWER(x)  (islower((int)  ((unsigned char)x)))
48 #define ISCNTRL(x)  (iscntrl((int)  ((unsigned char)x)))
49 #define ISASCII(x)  (isascii((int)  ((unsigned char)x)))
50 
51 #else
52 
53 int Curl_isspace(int c);
54 int Curl_isdigit(int c);
55 int Curl_isalnum(int c);
56 int Curl_isxdigit(int c);
57 int Curl_isgraph(int c);
58 int Curl_isprint(int c);
59 int Curl_isalpha(int c);
60 int Curl_isupper(int c);
61 int Curl_islower(int c);
62 int Curl_iscntrl(int c);
63 
64 #define ISSPACE(x)  (Curl_isspace((int)  ((unsigned char)x)))
65 #define ISDIGIT(x)  (Curl_isdigit((int)  ((unsigned char)x)))
66 #define ISALNUM(x)  (Curl_isalnum((int)  ((unsigned char)x)))
67 #define ISXDIGIT(x) (Curl_isxdigit((int) ((unsigned char)x)))
68 #define ISGRAPH(x)  (Curl_isgraph((int)  ((unsigned char)x)))
69 #define ISALPHA(x)  (Curl_isalpha((int)  ((unsigned char)x)))
70 #define ISPRINT(x)  (Curl_isprint((int)  ((unsigned char)x)))
71 #define ISUPPER(x)  (Curl_isupper((int)  ((unsigned char)x)))
72 #define ISLOWER(x)  (Curl_islower((int)  ((unsigned char)x)))
73 #define ISCNTRL(x)  (Curl_iscntrl((int)  ((unsigned char)x)))
74 #define ISASCII(x)  (((x) >= 0) && ((x) <= 0x80))
75 
76 #endif
77 
78 #define ISBLANK(x)  (int)((((unsigned char)x) == ' ') ||        \
79                           (((unsigned char)x) == '\t'))
80 
81 #endif /* HEADER_CURL_CTYPE_H */
82