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Diffstat (limited to 'lib/curl_ctype.c')
| -rw-r--r-- | lib/curl_ctype.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/curl_ctype.c b/lib/curl_ctype.c new file mode 100644 index 000000000..70db1630d --- /dev/null +++ b/lib/curl_ctype.c @@ -0,0 +1,114 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. + * + * This software is licensed as described in the file COPYING, which + * you should have received as part of this distribution. The terms + * are also available at https://curl.haxx.se/docs/copyright.html. + * + * You may opt to use, copy, modify, merge, publish, distribute and/or sell + * copies of the Software, and permit persons to whom the Software is + * furnished to do so, under the terms of the COPYING file. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ***************************************************************************/ + +#include "curl_setup.h" + +#define _U (1<<0) /* upper case */ +#define _L (1<<1) /* lower case */ +#define _N (1<<2) /* decimal numerical digit */ +#define _S (1<<3) /* space */ +#define _P (1<<4) /* punctuation */ +#define _C (1<<5) /* control */ +#define _X (1<<6) /* hexadecimal letter */ +#define _B (1<<7) /* blank */ + +static const unsigned char ascii[128] = { + _C, _C, _C, _C, _C, _C, _C, _C, + _C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C, + _C, _C, _C, _C, _C, _C, _C, _C, + _C, _C, _C, _C, _C, _C, _C, _C, + _S|_B, _P, _P, _P, _P, _P, _P, _P, + _P, _P, _P, _P, _P, _P, _P, _P, + _N, _N, _N, _N, _N, _N, _N, _N, + _N, _N, _P, _P, _P, _P, _P, _P, + _P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U, + _U, _U, _U, _U, _U, _U, _U, _U, + _U, _U, _U, _U, _U, _U, _U, _U, + _U, _U, _U, _P, _P, _P, _P, _P, + _P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L, + _L, _L, _L, _L, _L, _L, _L, _L, + _L, _L, _L, _L, _L, _L, _L, _L, + _L, _L, _L, _P, _P, _P, _P, _C +}; + +int Curl_isspace(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & _S); +} + +int Curl_isdigit(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & _N); +} + +int Curl_isalnum(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & (_N|_U|_L)); +} + +int Curl_isxdigit(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & (_N|_X)); +} + +int Curl_isgraph(int c) +{ + if((c < 0) || (c >= 0x80) || (c == ' ')) + return FALSE; + return (ascii[c] & (_N|_X|_U|_L|_P|_S)); +} + +int Curl_isprint(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & (_N|_X|_U|_L|_P|_S)); +} + +int Curl_isalpha(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & (_U|_L)); +} + +int Curl_isupper(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & (_U)); +} + +int Curl_islower(int c) +{ + if((c < 0) || (c >= 0x80)) + return FALSE; + return (ascii[c] & (_L)); +} |