sl@0: /* crypto/o_str.c -*- mode:C; c-file-style: "eay" -*- */
sl@0: /* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
sl@0:  * project 2003.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 2003 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <ctype.h>
sl@0: #include <e_os.h>
sl@0: #include "o_str.h"
sl@0: 
sl@0: EXPORT_C int OPENSSL_strncasecmp(const char *str1, const char *str2, size_t n)
sl@0: 	{
sl@0: #if defined(OPENSSL_IMPLEMENTS_strncasecmp)
sl@0: 	while (*str1 && *str2 && n)
sl@0: 		{
sl@0: 		int res = toupper(*str1) - toupper(*str2);
sl@0: 		if (res) return res < 0 ? -1 : 1;
sl@0: 		str1++;
sl@0: 		str2++;
sl@0: 		n--;
sl@0: 		}
sl@0: 	if (n == 0)
sl@0: 		return 0;
sl@0: 	if (*str1)
sl@0: 		return 1;
sl@0: 	if (*str2)
sl@0: 		return -1;
sl@0: 		return 0;
sl@0: 
sl@0: #else
sl@0: 	/* Recursion hazard warning! Whenever strncasecmp is #defined as
sl@0: 	 * OPENSSL_strncasecmp, OPENSSL_IMPLEMENTS_strncasecmp must be
sl@0: 	 * defined as well. */
sl@0: 
sl@0: 	return strncasecmp(str1, str2, n);
sl@0: #endif
sl@0: 	}
sl@0: EXPORT_C int OPENSSL_strcasecmp(const char *str1, const char *str2)
sl@0: 	{
sl@0: #if defined(OPENSSL_IMPLEMENTS_strncasecmp)
sl@0: 	return OPENSSL_strncasecmp(str1, str2, (size_t)-1);
sl@0: #else
sl@0: 	return strcasecmp(str1, str2);
sl@0: #endif
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int OPENSSL_memcmp(const void *v1,const void *v2,size_t n)
sl@0: 	{
sl@0: 	const unsigned char *c1=v1,*c2=v2;
sl@0: 	int ret=0;
sl@0: 
sl@0: 	while(n && (ret=*c1-*c2)==0) n--,c1++,c2++;
sl@0: 
sl@0: 	return ret;
sl@0: 	}