ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/ape/lib/openssl/crypto/o_str.c/
/* crypto/o_str.c -*- mode:C; c-file-style: "eay" -*- */
/* Written by Richard Levitte ([email protected]) for the OpenSSL
* project 2003.
*/
/* ====================================================================
* Copyright (c) 2003 The OpenSSL Project. 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.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* [email protected].
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* ([email protected]). This product includes software written by Tim
* Hudson ([email protected]).
*
*/
#include <ctype.h>
#include <e_os.h>
#include "o_str.h"
int OPENSSL_strncasecmp(const char *str1, const char *str2, size_t n)
{
#if defined(OPENSSL_IMPLEMENTS_strncasecmp)
while (*str1 && *str2 && n)
{
int res = toupper(*str1) - toupper(*str2);
if (res) return res < 0 ? -1 : 1;
str1++;
str2++;
n--;
}
if (n == 0)
return 0;
if (*str1)
return 1;
if (*str2)
return -1;
return 0;
#else
/* Recursion hazard warning! Whenever strncasecmp is #defined as
* OPENSSL_strncasecmp, OPENSSL_IMPLEMENTS_strncasecmp must be
* defined as well. */
return strncasecmp(str1, str2, n);
#endif
}
int OPENSSL_strcasecmp(const char *str1, const char *str2)
{
#if defined(OPENSSL_IMPLEMENTS_strncasecmp)
return OPENSSL_strncasecmp(str1, str2, (size_t)-1);
#else
return strcasecmp(str1, str2);
#endif
}
int OPENSSL_memcmp(const void *v1,const void *v2,size_t n)
{
const unsigned char *c1=v1,*c2=v2;
int ret=0;
while(n && (ret=*c1-*c2)==0) n--,c1++,c2++;
return ret;
}