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 * 3. 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 #include <sys/cdefs.h>
31
32 #include <sys/cdefs.h>
33 #include <string.h>
34 #include "stand.h"
35
36 int
strcasecmp(const char * s1,const char * s2)37 strcasecmp(const char *s1, const char *s2)
38 {
39 const uchar_t *us1 = (const uchar_t *)s1;
40 const uchar_t *us2 = (const uchar_t *)s2;
41
42 while (tolower(*us1) == tolower(*us2++))
43 if (*us1++ == '\0')
44 return (0);
45 return (tolower(*us1) - tolower(*--us2));
46 }
47
48 int
strncasecmp(const char * s1,const char * s2,size_t n)49 strncasecmp(const char *s1, const char *s2, size_t n)
50 {
51 if (n != 0) {
52 const uchar_t *us1 = (const uchar_t *)s1;
53 const uchar_t *us2 = (const uchar_t *)s2;
54
55 do {
56 if (tolower(*us1) != tolower(*us2++))
57 return (tolower(*us1) - tolower(*--us2));
58 if (*us1++ == '\0')
59 break;
60 } while (--n != 0);
61 }
62 return (0);
63 }
64