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/*
* Written by Richard Levitte (richard@levitte.org) 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
* openssl-core@openssl.org.
*
* 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
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <ctype.h>
#include <limits.h>
#include <e_os.h>
#include <openssl/crypto.h>
#include "internal/cryptlib.h"
#include "internal/o_str.h"
#if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \
!defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_WINCE) && \
!defined(NETWARE_CLIB)
# include <strings.h>
#endif
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;
}
char *CRYPTO_strdup(const char *str, const char* file, int line)
{
char *ret;
size_t size;
if (str == NULL)
return NULL;
size = strlen(str) + 1;
ret = CRYPTO_malloc(size, file, line);
if (ret != NULL)
memcpy(ret, str, size);
return ret;
}
char *CRYPTO_strndup(const char *str, size_t s, const char* file, int line)
{
const char *cp;
size_t maxlen;
char *ret;
if (str == NULL)
return NULL;
/* Get length. */
for (cp = str, maxlen = s; maxlen-- != 0 && *cp != '\0'; ++cp)
continue;
maxlen = cp - str;
ret = CRYPTO_malloc(maxlen + 1, file, line);
if (ret) {
memcpy(ret, str, maxlen);
ret[maxlen] = '\0';
}
return ret;
}
void *CRYPTO_memdup(const void *data, size_t siz, const char* file, int line)
{
void *ret;
if (data == NULL || siz >= INT_MAX)
return NULL;
ret = CRYPTO_malloc(siz, file, line);
if (ret == NULL) {
CRYPTOerr(CRYPTO_F_CRYPTO_MEMDUP, ERR_R_MALLOC_FAILURE);
return NULL;
}
return memcpy(ret, data, siz);
}
size_t OPENSSL_strnlen(const char *str, size_t maxlen)
{
const char *p;
for (p = str; maxlen-- != 0 && *p != '\0'; ++p) ;
return p - str;
}
size_t OPENSSL_strlcpy(char *dst, const char *src, size_t size)
{
size_t l = 0;
for (; size > 1 && *src; size--) {
*dst++ = *src++;
l++;
}
if (size)
*dst = '\0';
return l + strlen(src);
}
size_t OPENSSL_strlcat(char *dst, const char *src, size_t size)
{
size_t l = 0;
for (; size > 0 && *dst; size--, dst++)
l++;
return l + OPENSSL_strlcpy(dst, src, size);
}
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