xref: /netbsd-src/lib/libc/string/strcoll.c (revision e0ac190e1e4142d8158f3a99bc575fef0a0a0a5c)
1*e0ac190eSjoerg /*	$NetBSD: strcoll.c,v 1.12 2013/05/17 12:55:57 joerg Exp $	*/
23d2267c8Schristos 
361f28255Scgd /*-
45f8a6c06Sperry  * Copyright (c) 1990, 1993
55f8a6c06Sperry  *	The Regents of the University of California.  All rights reserved.
661f28255Scgd  *
761f28255Scgd  * This code is derived from software contributed to Berkeley by
861f28255Scgd  * Chris Torek.
961f28255Scgd  *
1061f28255Scgd  * Redistribution and use in source and binary forms, with or without
1161f28255Scgd  * modification, are permitted provided that the following conditions
1261f28255Scgd  * are met:
1361f28255Scgd  * 1. Redistributions of source code must retain the above copyright
1461f28255Scgd  *    notice, this list of conditions and the following disclaimer.
1561f28255Scgd  * 2. Redistributions in binary form must reproduce the above copyright
1661f28255Scgd  *    notice, this list of conditions and the following disclaimer in the
1761f28255Scgd  *    documentation and/or other materials provided with the distribution.
18eb7c1594Sagc  * 3. Neither the name of the University nor the names of its contributors
1961f28255Scgd  *    may be used to endorse or promote products derived from this software
2061f28255Scgd  *    without specific prior written permission.
2161f28255Scgd  *
2261f28255Scgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2361f28255Scgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2461f28255Scgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2561f28255Scgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2661f28255Scgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2761f28255Scgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2861f28255Scgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2961f28255Scgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3061f28255Scgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3161f28255Scgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3261f28255Scgd  * SUCH DAMAGE.
3361f28255Scgd  */
3461f28255Scgd 
353d2267c8Schristos #include <sys/cdefs.h>
3661f28255Scgd #if defined(LIBC_SCCS) && !defined(lint)
373d2267c8Schristos #if 0
385f8a6c06Sperry static char sccsid[] = "@(#)strcoll.c	8.1 (Berkeley) 6/4/93";
393d2267c8Schristos #else
40*e0ac190eSjoerg __RCSID("$NetBSD: strcoll.c,v 1.12 2013/05/17 12:55:57 joerg Exp $");
413d2267c8Schristos #endif
4261f28255Scgd #endif /* LIBC_SCCS and not lint */
4361f28255Scgd 
44e81d3f1eSjoerg #include "namespace.h"
45e81d3f1eSjoerg 
46b48252f3Slukem #include <assert.h>
47e81d3f1eSjoerg #include <locale.h>
4861f28255Scgd #include <string.h>
49e81d3f1eSjoerg #include "setlocale_local.h"
50e81d3f1eSjoerg 
__weak_alias(strcoll_l,_strcoll_l)51e81d3f1eSjoerg __weak_alias(strcoll_l, _strcoll_l)
5261f28255Scgd 
5361f28255Scgd /*
5461f28255Scgd  * Compare strings according to LC_COLLATE category of current locale.
5561f28255Scgd  */
56752ff8fbSjtc int
579e66e6d7Sabs strcoll(const char *s1, const char *s2)
5861f28255Scgd {
59b48252f3Slukem 
60*e0ac190eSjoerg 	return strcoll_l(s1, s2, _current_locale());
61e81d3f1eSjoerg }
62e81d3f1eSjoerg 
63e81d3f1eSjoerg int
strcoll_l(const char * s1,const char * s2,locale_t loc)64e81d3f1eSjoerg strcoll_l(const char *s1, const char *s2, locale_t loc)
65e81d3f1eSjoerg {
66b48252f3Slukem 	_DIAGASSERT(s1 != NULL);
67b48252f3Slukem 	_DIAGASSERT(s2 != NULL);
68b48252f3Slukem 
6961f28255Scgd 	/* LC_COLLATE is unimplemented, hence always "C" */
70e81d3f1eSjoerg 	/* LINTED */ (void)loc;
7161f28255Scgd 	return (strcmp(s1, s2));
7261f28255Scgd }
73