/*

 * Copyright (c) 1987, 1993

 *	The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 4. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 * © Portions copyright (c) 2005-2006  Nokia Corporation.  All rights reserved.

 */

#if defined(LIBC_SCCS) && !defined(lint)

static char sccsid[] = "@(#)strcasecmp.c	8.1 (Berkeley) 6/4/93";

#endif /* LIBC_SCCS and not lint */

#include <sys/cdefs.h>

#ifndef __SYMBIAN32__

__FBSDID("$FreeBSD: src/lib/libc/string/strcasecmp.c,v 1.6 2002/08/30 15:40:01 robert Exp $");

#endif

#include <strings.h>

#include <ctype.h>

typedef unsigned char u_char;

EXPORT_C 

int

strcasecmp(const char *s1, const char *s2)

{

	const u_char

			*us1 = (const u_char *)s1,

			*us2 = (const u_char *)s2;

	while (tolower(*us1) == tolower(*us2++))

		if (*us1++ == '\0')

			return (0);

	return (tolower(*us1) - tolower(*--us2));

}

EXPORT_C 

int

strncasecmp(const char *s1, const char *s2,

	size_t n)

{

	if (n != 0) {

		const u_char

				*us1 = (const u_char *)s1,

				*us2 = (const u_char *)s2;

		do {

			if (tolower(*us1) != tolower(*us2++))

				return (tolower(*us1) - tolower(*--us2));

			if (*us1++ == '\0')

				break;

		} while (--n != 0);

	}

	return (0);

}