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