1 /* $NetBSD: citrus_bcs.h,v 1.4 2008/02/09 14:56:20 junyoung Exp $ */ 2 /* $DragonFly: src/lib/libc/citrus/citrus_bcs.h,v 1.3 2008/04/10 10:21:01 hasso Exp $ */ 3 4 /*- 5 * Copyright (c)2003 Citrus Project, 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _CITRUS_BCS_H_ 31 #define _CITRUS_BCS_H_ 32 33 /* 34 * 35 * `Basic character set' is a term defined in the ISO C standard. 36 * Citrus bcs is, if anything, close to `portable character set' 37 * defined in the POSIX. 38 */ 39 40 #define _CITRUS_BCS_PRED(_name_, _cond_) \ 41 static __inline int _citrus_bcs_##_name_(uint8_t c) { return (_cond_); } 42 43 /* 44 * predicates. 45 * Unlike predicates defined in ctype.h, these do not accept EOF. 46 */ 47 _CITRUS_BCS_PRED(isblank, c == ' ' || c == '\t') 48 _CITRUS_BCS_PRED(iseol, c == '\n' || c == '\r') 49 _CITRUS_BCS_PRED(isspace, 50 _citrus_bcs_isblank(c) || _citrus_bcs_iseol(c) || 51 c == '\f' || c == '\v') 52 _CITRUS_BCS_PRED(isdigit, c >= '0' && c <= '9') 53 _CITRUS_BCS_PRED(isupper, c >= 'A' && c <= 'Z') 54 _CITRUS_BCS_PRED(islower, c >= 'a' && c <= 'z') 55 _CITRUS_BCS_PRED(isalpha, _citrus_bcs_isupper(c) || _citrus_bcs_islower(c)) 56 _CITRUS_BCS_PRED(isalnum, _citrus_bcs_isdigit(c) || _citrus_bcs_isalpha(c)) 57 _CITRUS_BCS_PRED(isxdigit, 58 _citrus_bcs_isdigit(c) || 59 (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f')) 60 61 /* 62 * transliterate between uppercase and lowercase. 63 * Unlike transliterator defined in ctype.h, these do not accept EOF. 64 */ 65 static __inline uint8_t 66 _citrus_bcs_toupper(uint8_t c) 67 { 68 return (_citrus_bcs_islower(c) ? (c - 'a' + 'A') : c); 69 } 70 71 static __inline uint8_t 72 _citrus_bcs_tolower(uint8_t c) 73 { 74 return (_citrus_bcs_isupper(c) ? (c - 'A' + 'a') : c); 75 } 76 77 __BEGIN_DECLS 78 int _citrus_bcs_strcasecmp(const char * __restrict, const char * __restrict); 79 int _citrus_bcs_strncasecmp(const char * __restrict, const char * __restrict, 80 size_t); 81 const char *_citrus_bcs_skip_ws(const char * __restrict); 82 const char *_citrus_bcs_skip_nonws(const char * __restrict); 83 const char *_citrus_bcs_skip_ws_len(const char * __restrict, 84 size_t * __restrict); 85 const char *_citrus_bcs_skip_nonws_len(const char * __restrict, 86 size_t * __restrict); 87 void _citrus_bcs_trunc_rws_len(const char * __restrict, size_t * __restrict); 88 void _citrus_bcs_convert_to_lower(char *); 89 void _citrus_bcs_convert_to_upper(char *); 90 __END_DECLS 91 92 #endif 93