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a09e091a JB |
1 | /* |
2 | * Copyright (c) 1987, 1993 | |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 4. Neither the name of the University nor the names of its contributors | |
14 | * may be used to endorse or promote products derived from this software | |
15 | * without specific prior written permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 | #ifdef HAVE_DIX_CONFIG_H | |
31 | #include <dix-config.h> | |
32 | #endif | |
33 | ||
34 | #include <ctype.h> | |
35 | #include "dix.h" | |
36 | ||
37 | #ifndef HAVE_STRCASECMP | |
38 | int | |
39 | xstrcasecmp(const char *str1, const char *str2) | |
40 | { | |
41 | const u_char *us1 = (const u_char *) str1, *us2 = (const u_char *) str2; | |
42 | ||
43 | while (tolower(*us1) == tolower(*us2)) { | |
44 | if (*us1++ == '\0') | |
45 | return 0; | |
46 | us2++; | |
47 | } | |
48 | ||
49 | return (tolower(*us1) - tolower(*us2)); | |
50 | } | |
51 | #endif | |
52 | ||
53 | #ifndef HAVE_STRNCASECMP | |
54 | int | |
55 | xstrncasecmp(const char *s1, const char *s2, size_t n) | |
56 | { | |
57 | if (n != 0) { | |
58 | const u_char *us1 = (const u_char *) s1, *us2 = (const u_char *) s2; | |
59 | ||
60 | do { | |
61 | if (tolower(*us1) != tolower(*us2++)) | |
62 | return (tolower(*us1) - tolower(*--us2)); | |
63 | if (*us1++ == '\0') | |
64 | break; | |
65 | } while (--n != 0); | |
66 | } | |
67 | ||
68 | return 0; | |
69 | } | |
70 | #endif |