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0d5acd74 | 1 | /* $FreeBSD: head/lib/libc/iconv/citrus_bcs.c 219019 2011-02-25 00:04:39Z gabor $ */ |
52347f71 | 2 | /* $NetBSD: citrus_bcs.c,v 1.5 2005/05/14 17:55:42 tshiozak Exp $ */ |
2180e8af JS |
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 | ||
0d5acd74 JM |
30 | #include <sys/cdefs.h> |
31 | ||
2180e8af JS |
32 | #include <assert.h> |
33 | #include <stdlib.h> | |
34 | ||
35 | #include "citrus_namespace.h" | |
36 | #include "citrus_bcs.h" | |
37 | ||
63b91d1b JS |
38 | /* |
39 | * case insensitive comparison between two C strings. | |
40 | */ | |
2180e8af JS |
41 | int |
42 | _citrus_bcs_strcasecmp(const char * __restrict str1, | |
0d5acd74 | 43 | const char * __restrict str2) |
2180e8af | 44 | { |
0d5acd74 JM |
45 | int c1, c2; |
46 | ||
47 | c1 = c2 = 1; | |
2180e8af JS |
48 | |
49 | while (c1 && c2 && c1 == c2) { | |
50 | c1 = _bcs_toupper(*str1++); | |
51 | c2 = _bcs_toupper(*str2++); | |
52 | } | |
53 | ||
54 | return ((c1 == c2) ? 0 : ((c1 > c2) ? 1 : -1)); | |
55 | } | |
56 | ||
63b91d1b JS |
57 | /* |
58 | * case insensitive comparison between two C strings with limitation of length. | |
59 | */ | |
2180e8af JS |
60 | int |
61 | _citrus_bcs_strncasecmp(const char * __restrict str1, | |
0d5acd74 | 62 | const char * __restrict str2, size_t sz) |
2180e8af | 63 | { |
0d5acd74 JM |
64 | int c1, c2; |
65 | ||
66 | c1 = c2 = 1; | |
2180e8af JS |
67 | |
68 | while (c1 && c2 && c1 == c2 && sz != 0) { | |
69 | c1 = _bcs_toupper(*str1++); | |
70 | c2 = _bcs_toupper(*str2++); | |
71 | sz--; | |
72 | } | |
73 | ||
74 | return ((c1 == c2) ? 0 : ((c1 > c2) ? 1 : -1)); | |
75 | } | |
76 | ||
63b91d1b JS |
77 | /* |
78 | * skip white space characters. | |
79 | */ | |
2180e8af JS |
80 | const char * |
81 | _citrus_bcs_skip_ws(const char *p) | |
82 | { | |
83 | ||
84 | while (*p && _bcs_isspace(*p)) | |
85 | p++; | |
86 | ||
87 | return (p); | |
88 | } | |
89 | ||
63b91d1b JS |
90 | /* |
91 | * skip non white space characters. | |
92 | */ | |
2180e8af JS |
93 | const char * |
94 | _citrus_bcs_skip_nonws(const char *p) | |
95 | { | |
96 | ||
97 | while (*p && !_bcs_isspace(*p)) | |
98 | p++; | |
99 | ||
100 | return (p); | |
101 | } | |
102 | ||
63b91d1b JS |
103 | /* |
104 | * skip white space characters with limitation of length. | |
105 | */ | |
2180e8af JS |
106 | const char * |
107 | _citrus_bcs_skip_ws_len(const char * __restrict p, size_t * __restrict len) | |
108 | { | |
109 | ||
110 | while (*p && *len > 0 && _bcs_isspace(*p)) { | |
111 | p++; | |
112 | (*len)--; | |
113 | } | |
114 | ||
115 | return (p); | |
116 | } | |
117 | ||
63b91d1b JS |
118 | /* |
119 | * skip non white space characters with limitation of length. | |
120 | */ | |
2180e8af JS |
121 | const char * |
122 | _citrus_bcs_skip_nonws_len(const char * __restrict p, size_t * __restrict len) | |
123 | { | |
124 | ||
125 | while (*p && *len > 0 && !_bcs_isspace(*p)) { | |
126 | p++; | |
127 | (*len)--; | |
128 | } | |
129 | ||
130 | return (p); | |
131 | } | |
132 | ||
63b91d1b JS |
133 | /* |
134 | * truncate trailing white space characters. | |
135 | */ | |
2180e8af JS |
136 | void |
137 | _citrus_bcs_trunc_rws_len(const char * __restrict p, size_t * __restrict len) | |
138 | { | |
139 | ||
140 | while (*len > 0 && _bcs_isspace(p[*len - 1])) | |
141 | (*len)--; | |
142 | } | |
143 | ||
63b91d1b JS |
144 | /* |
145 | * destructive transliterate to lowercase. | |
146 | */ | |
2180e8af JS |
147 | void |
148 | _citrus_bcs_convert_to_lower(char *s) | |
149 | { | |
0d5acd74 | 150 | |
2180e8af JS |
151 | while (*s) { |
152 | *s = _bcs_tolower(*s); | |
153 | s++; | |
154 | } | |
155 | } | |
156 | ||
63b91d1b JS |
157 | /* |
158 | * destructive transliterate to uppercase. | |
159 | */ | |
160 | void | |
161 | _citrus_bcs_convert_to_upper(char *s) | |
2180e8af | 162 | { |
0d5acd74 | 163 | |
2180e8af JS |
164 | while (*s) { |
165 | *s = _bcs_toupper(*s); | |
166 | s++; | |
167 | } | |
168 | } |