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
_citrus_bcs_toupper(uint8_t c)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
_citrus_bcs_tolower(uint8_t c)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