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__FBSDID("$FreeBSD$");
32
33#include <sys/cdefs.h>
34#include <string.h>
35#include "stand.h"
36
37#if defined(LIBC_SCCS) && !defined(lint)
38static char sccsid[] = "@(#)strcasecmp.c	8.1 (Berkeley) 6/4/93";
39#endif /* LIBC_SCCS and not lint */
40
41int
42strcasecmp(s1, s2)
43	const char *s1, *s2;
44{
45	const u_char
46			*us1 = (const u_char *)s1,
47			*us2 = (const u_char *)s2;
48
49	while (tolower(*us1) == tolower(*us2++))
50		if (*us1++ == '\0')
51			return (0);
52	return (tolower(*us1) - tolower(*--us2));
53}
54
55int
56strncasecmp(s1, s2, n)
57	const char *s1, *s2;
58	size_t n;
59{
60	if (n != 0) {
61		const u_char
62				*us1 = (const u_char *)s1,
63				*us2 = (const u_char *)s2;
64
65		do {
66			if (tolower(*us1) != tolower(*us2++))
67				return (tolower(*us1) - tolower(*--us2));
68			if (*us1++ == '\0')
69				break;
70		} while (--n != 0);
71	}
72	return (0);
73}
74