1 /* $NetBSD: citrus_bcs.h,v 1.6 2009/01/11 02:46:24 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c)2003 Citrus Project, 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/types.h> 32 33 #ifndef _CITRUS_BCS_H_ 34 #define _CITRUS_BCS_H_ 35 36 /* 37 * predicate/conversion for basic character set. 38 * 39 * `Basic character set' is a term defined in the ISO C standard. 40 * Citrus bcs is, if anything, close to `portable character set' 41 * defined in the POSIX. 42 */ 43 44 #define _CITRUS_BCS_PRED(_name_, _cond_) \ 45 static __inline int _citrus_bcs_##_name_(uint8_t c) { return (_cond_); } 46 47 /* 48 * predicates. 49 * Unlike predicates defined in ctype.h, these do not accept EOF. 50 */ 51 _CITRUS_BCS_PRED(isblank, c == ' ' || c == '\t') 52 _CITRUS_BCS_PRED(iseol, c == '\n' || c == '\r') 53 _CITRUS_BCS_PRED(isspace, _citrus_bcs_isblank(c) || _citrus_bcs_iseol(c) || 54 c == '\f' || c == '\v') 55 _CITRUS_BCS_PRED(isdigit, c >= '0' && c <= '9') 56 _CITRUS_BCS_PRED(isupper, c >= 'A' && c <= 'Z') 57 _CITRUS_BCS_PRED(islower, c >= 'a' && c <= 'z') 58 _CITRUS_BCS_PRED(isalpha, _citrus_bcs_isupper(c) || _citrus_bcs_islower(c)) 59 _CITRUS_BCS_PRED(isalnum, _citrus_bcs_isdigit(c) || _citrus_bcs_isalpha(c)) 60 _CITRUS_BCS_PRED(isxdigit, _citrus_bcs_isdigit(c) || 61 (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) 62 63 /* 64 * transliterate between uppercase and lowercase. 65 * Unlike transliterator defined in ctype.h, these do not accept EOF. 66 */ 67 static __inline uint8_t 68 _citrus_bcs_toupper(uint8_t c) 69 { 70 71 return (_citrus_bcs_islower(c) ? (c - 'a' + 'A') : c); 72 } 73 74 static __inline uint8_t 75 _citrus_bcs_tolower(uint8_t c) 76 { 77 78 return (_citrus_bcs_isupper(c) ? (c - 'A' + 'a') : c); 79 } 80 81 __BEGIN_DECLS 82 int _citrus_bcs_strcasecmp(const char * __restrict, 83 const char * __restrict); 84 int _citrus_bcs_strncasecmp(const char * __restrict, 85 const char * __restrict, size_t); 86 const char *_citrus_bcs_skip_ws(const char * __restrict); 87 const char *_citrus_bcs_skip_nonws(const char * __restrict); 88 const char *_citrus_bcs_skip_ws_len(const char * __restrict, 89 size_t * __restrict); 90 const char *_citrus_bcs_skip_nonws_len(const char * __restrict, 91 size_t * __restrict); 92 void _citrus_bcs_trunc_rws_len(const char * __restrict, 93 size_t * __restrict); 94 void _citrus_bcs_convert_to_lower(char *); 95 void _citrus_bcs_convert_to_upper(char *); 96 97 long int _citrus_bcs_strtol(const char * __restrict, 98 char ** __restrict, int); 99 unsigned long _citrus_bcs_strtoul(const char * __restrict, 100 char ** __restrict, int); 101 __END_DECLS 102 103 #endif 104