2 * Copyright (c) 1987, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Copyright (c) 2011 The FreeBSD Foundation
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #if defined(LIBC_SCCS) && !defined(lint)
36 static char sccsid[] = "@(#)strcasecmp.c 8.1 (Berkeley) 6/4/93";
37 #endif /* LIBC_SCCS and not lint */
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
43 #include "xlocale_private.h"
46 strcasecmp_l(const char *s1, const char *s2, locale_t locale)
49 *us1 = (const u_char *)s1,
50 *us2 = (const u_char *)s2;
53 while (tolower_l(*us1, locale) == tolower_l(*us2++, locale))
56 return (tolower_l(*us1, locale) - tolower_l(*--us2, locale));
59 strcasecmp(const char *s1, const char *s2)
61 return strcasecmp_l(s1, s2, __get_locale());
65 strncasecmp_l(const char *s1, const char *s2, size_t n, locale_t locale)
70 *us1 = (const u_char *)s1,
71 *us2 = (const u_char *)s2;
74 if (tolower_l(*us1, locale) != tolower_l(*us2++, locale))
75 return (tolower_l(*us1, locale) - tolower_l(*--us2, locale));
84 strncasecmp(const char *s1, const char *s2, size_t n)
86 return strncasecmp_l(s1, s2, n, __get_locale());