Elliott Hughes | cac3980 | 2018-04-27 16:19:43 -0700 | [diff] [blame] | 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 | |
Elliott Hughes | 1ef06ba | 2018-05-30 15:43:58 -0700 | [diff] [blame] | 25 | #ifndef CURL_DOES_CONVERSIONS |
| 26 | |
Elliott Hughes | cac3980 | 2018-04-27 16:19:43 -0700 | [diff] [blame] | 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 | |
| 63 | int Curl_isspace(int c) |
| 64 | { |
| 65 | if((c < 0) || (c >= 0x80)) |
| 66 | return FALSE; |
| 67 | return (ascii[c] & _S); |
| 68 | } |
| 69 | |
| 70 | int Curl_isdigit(int c) |
| 71 | { |
| 72 | if((c < 0) || (c >= 0x80)) |
| 73 | return FALSE; |
| 74 | return (ascii[c] & _N); |
| 75 | } |
| 76 | |
| 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 | |
| 84 | int Curl_isxdigit(int c) |
| 85 | { |
| 86 | if((c < 0) || (c >= 0x80)) |
| 87 | return FALSE; |
| 88 | return (ascii[c] & (_N|_X)); |
| 89 | } |
| 90 | |
| 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 | |
| 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 | |
| 105 | int Curl_isalpha(int c) |
| 106 | { |
| 107 | if((c < 0) || (c >= 0x80)) |
| 108 | return FALSE; |
| 109 | return (ascii[c] & (_U|_L)); |
| 110 | } |
| 111 | |
| 112 | int Curl_isupper(int c) |
| 113 | { |
| 114 | if((c < 0) || (c >= 0x80)) |
| 115 | return FALSE; |
| 116 | return (ascii[c] & (_U)); |
| 117 | } |
| 118 | |
| 119 | int Curl_islower(int c) |
| 120 | { |
| 121 | if((c < 0) || (c >= 0x80)) |
| 122 | return FALSE; |
| 123 | return (ascii[c] & (_L)); |
| 124 | } |
Elliott Hughes | 1ef06ba | 2018-05-30 15:43:58 -0700 | [diff] [blame] | 125 | |
| 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 */ |