1/* $FreeBSD$ */
2/* $NetBSD: citrus_bcs.h,v 1.6 2009/01/11 02:46:24 christos 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#include <sys/types.h>
31
32#ifndef _CITRUS_BCS_H_
33#define _CITRUS_BCS_H_
34
35/*
36 * predicate/conversion for basic character set.
37 *
38 * `Basic character set' is a term defined in the ISO C standard.
39 * Citrus bcs is, if anything, close to `portable character set'
40 * defined in the POSIX.
41 */
42
43#define _CITRUS_BCS_PRED(_name_, _cond_) \
44static __inline int _citrus_bcs_##_name_(uint8_t c) { return (_cond_); }
45
46/*
47 * predicates.
48 * Unlike predicates defined in ctype.h, these do not accept EOF.
49 */
50_CITRUS_BCS_PRED(isblank, c == ' ' || c == '\t')
51_CITRUS_BCS_PRED(iseol, c == '\n' || c == '\r')
52_CITRUS_BCS_PRED(isspace, _citrus_bcs_isblank(c) || _citrus_bcs_iseol(c) ||
53    c == '\f' || c == '\v')
54_CITRUS_BCS_PRED(isdigit, c >= '0' && c <= '9')
55_CITRUS_BCS_PRED(isupper, c >= 'A' && c <= 'Z')
56_CITRUS_BCS_PRED(islower, c >= 'a' && c <= 'z')
57_CITRUS_BCS_PRED(isalpha, _citrus_bcs_isupper(c) || _citrus_bcs_islower(c))
58_CITRUS_BCS_PRED(isalnum, _citrus_bcs_isdigit(c) || _citrus_bcs_isalpha(c))
59_CITRUS_BCS_PRED(isxdigit, _citrus_bcs_isdigit(c) ||
60    (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'))
61
62/*
63 * transliterate between uppercase and lowercase.
64 * Unlike transliterator defined in ctype.h, these do not accept EOF.
65 */
66static __inline uint8_t
67_citrus_bcs_toupper(uint8_t c)
68{
69
70	return (_citrus_bcs_islower(c) ? (c - 'a' + 'A') : c);
71}
72
73static __inline uint8_t
74_citrus_bcs_tolower(uint8_t c)
75{
76
77	return (_citrus_bcs_isupper(c) ? (c - 'A' + 'a') : c);
78}
79
80__BEGIN_DECLS
81int		 _citrus_bcs_strcasecmp(const char * __restrict,
82		    const char * __restrict);
83int		 _citrus_bcs_strncasecmp(const char * __restrict,
84		    const char * __restrict, size_t);
85const char	*_citrus_bcs_skip_ws(const char * __restrict);
86const char	*_citrus_bcs_skip_nonws(const char * __restrict);
87const char	*_citrus_bcs_skip_ws_len(const char * __restrict,
88		    size_t * __restrict);
89const char	*_citrus_bcs_skip_nonws_len(const char * __restrict,
90		    size_t * __restrict);
91void		 _citrus_bcs_trunc_rws_len(const char * __restrict,
92		    size_t * __restrict);
93void		 _citrus_bcs_convert_to_lower(char *);
94void		 _citrus_bcs_convert_to_upper(char *);
95
96long int	 _citrus_bcs_strtol(const char * __restrict,
97		    char ** __restrict, int);
98unsigned long	 _citrus_bcs_strtoul(const char * __restrict,
99		    char ** __restrict, int);
100__END_DECLS
101
102#endif
103