1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel (at) 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 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 } 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 */ 134
