1 /* $NetBSD: citrus_bcs.c,v 1.5 2005/05/14 17:55:42 tshiozak Exp $ */
2 /* $DragonFly: src/lib/libc/citrus/citrus_bcs.c,v 1.3 2008/04/10 10:21:01 hasso Exp $ */
5 * Copyright (c)2003 Citrus Project,
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
30 #include <sys/types.h>
34 #include "citrus_namespace.h"
35 #include "citrus_bcs.h"
38 * case insensitive comparison between two C strings.
41 _citrus_bcs_strcasecmp(const char * __restrict str1
,
42 const char * __restrict str2
)
46 while (c1
&& c2
&& c1
== c2
) {
47 c1
= _bcs_toupper(*str1
++);
48 c2
= _bcs_toupper(*str2
++);
51 return ((c1
== c2
) ? 0 : ((c1
> c2
) ? 1 : -1));
55 * case insensitive comparison between two C strings with limitation of length.
58 _citrus_bcs_strncasecmp(const char * __restrict str1
,
59 const char * __restrict str2
, size_t sz
)
63 while (c1
&& c2
&& c1
== c2
&& sz
!= 0) {
64 c1
= _bcs_toupper(*str1
++);
65 c2
= _bcs_toupper(*str2
++);
69 return ((c1
== c2
) ? 0 : ((c1
> c2
) ? 1 : -1));
73 * skip white space characters.
76 _citrus_bcs_skip_ws(const char *p
)
79 while (*p
&& _bcs_isspace(*p
))
86 * skip non white space characters.
89 _citrus_bcs_skip_nonws(const char *p
)
92 while (*p
&& !_bcs_isspace(*p
))
99 * skip white space characters with limitation of length.
102 _citrus_bcs_skip_ws_len(const char * __restrict p
, size_t * __restrict len
)
105 while (*p
&& *len
> 0 && _bcs_isspace(*p
)) {
114 * skip non white space characters with limitation of length.
117 _citrus_bcs_skip_nonws_len(const char * __restrict p
, size_t * __restrict len
)
120 while (*p
&& *len
> 0 && !_bcs_isspace(*p
)) {
129 * truncate trailing white space characters.
132 _citrus_bcs_trunc_rws_len(const char * __restrict p
, size_t * __restrict len
)
135 while (*len
> 0 && _bcs_isspace(p
[*len
- 1]))
140 * destructive transliterate to lowercase.
143 _citrus_bcs_convert_to_lower(char *s
)
146 *s
= _bcs_tolower(*s
);
152 * destructive transliterate to uppercase.
155 _citrus_bcs_convert_to_upper(char *s
)
158 *s
= _bcs_toupper(*s
);