1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2018, 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 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 #ifndef CURL_DOES_CONVERSIONS
26
27 #undef _U
28 #define _U (1<<0) /* upper case */
29 #undef _L
30 #define _L (1<<1) /* lower case */
31 #undef _N
32 #define _N (1<<2) /* decimal numerical digit */
33 #undef _S
34 #define _S (1<<3) /* space */
35 #undef _P
36 #define _P (1<<4) /* punctuation */
37 #undef _C
38 #define _C (1<<5) /* control */
39 #undef _X
40 #define _X (1<<6) /* hexadecimal letter */
41 #undef _B
42 #define _B (1<<7) /* blank */
43
44 static const unsigned char ascii[128] = {
45 _C, _C, _C, _C, _C, _C, _C, _C,
46 _C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C,
47 _C, _C, _C, _C, _C, _C, _C, _C,
48 _C, _C, _C, _C, _C, _C, _C, _C,
49 _S|_B, _P, _P, _P, _P, _P, _P, _P,
50 _P, _P, _P, _P, _P, _P, _P, _P,
51 _N, _N, _N, _N, _N, _N, _N, _N,
52 _N, _N, _P, _P, _P, _P, _P, _P,
53 _P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U,
54 _U, _U, _U, _U, _U, _U, _U, _U,
55 _U, _U, _U, _U, _U, _U, _U, _U,
56 _U, _U, _U, _P, _P, _P, _P, _P,
57 _P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L,
58 _L, _L, _L, _L, _L, _L, _L, _L,
59 _L, _L, _L, _L, _L, _L, _L, _L,
60 _L, _L, _L, _P, _P, _P, _P, _C
61 };
62
Curl_isspace(int c)63 int Curl_isspace(int c)
64 {
65 if((c < 0) || (c >= 0x80))
66 return FALSE;
67 return (ascii[c] & _S);
68 }
69
Curl_isdigit(int c)70 int Curl_isdigit(int c)
71 {
72 if((c < 0) || (c >= 0x80))
73 return FALSE;
74 return (ascii[c] & _N);
75 }
76
Curl_isalnum(int c)77 int Curl_isalnum(int c)
78 {
79 if((c < 0) || (c >= 0x80))
80 return FALSE;
81 return (ascii[c] & (_N|_U|_L));
82 }
83
Curl_isxdigit(int c)84 int Curl_isxdigit(int c)
85 {
86 if((c < 0) || (c >= 0x80))
87 return FALSE;
88 return (ascii[c] & (_N|_X));
89 }
90
Curl_isgraph(int c)91 int Curl_isgraph(int c)
92 {
93 if((c < 0) || (c >= 0x80) || (c == ' '))
94 return FALSE;
95 return (ascii[c] & (_N|_X|_U|_L|_P|_S));
96 }
97
Curl_isprint(int c)98 int Curl_isprint(int c)
99 {
100 if((c < 0) || (c >= 0x80))
101 return FALSE;
102 return (ascii[c] & (_N|_X|_U|_L|_P|_S));
103 }
104
Curl_isalpha(int c)105 int Curl_isalpha(int c)
106 {
107 if((c < 0) || (c >= 0x80))
108 return FALSE;
109 return (ascii[c] & (_U|_L));
110 }
111
Curl_isupper(int c)112 int Curl_isupper(int c)
113 {
114 if((c < 0) || (c >= 0x80))
115 return FALSE;
116 return (ascii[c] & (_U));
117 }
118
Curl_islower(int c)119 int Curl_islower(int c)
120 {
121 if((c < 0) || (c >= 0x80))
122 return FALSE;
123 return (ascii[c] & (_L));
124 }
125
Curl_iscntrl(int c)126 int Curl_iscntrl(int c)
127 {
128 if((c < 0) || (c >= 0x80))
129 return FALSE;
130 return (ascii[c] & (_C));
131 }
132
133 #endif /* !CURL_DOES_CONVERSIONS */
134