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31384753c7
Since we don't use the eay style any more, there's no point tryint to tell emacs to use it. Reviewed-by: Matt Caswell <matt@openssl.org>
198 lines
5.6 KiB
C
198 lines
5.6 KiB
C
/* crypto/o_str.c */
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/*
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* Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
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* 2003.
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*/
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/* ====================================================================
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* Copyright (c) 2003 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <ctype.h>
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#include <limits.h>
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#include <e_os.h>
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#include <openssl/crypto.h>
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#include "internal/cryptlib.h"
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#include "internal/o_str.h"
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#if !defined(OPENSSL_IMPLEMENTS_strncasecmp) && \
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!defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_WINCE) && \
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!defined(NETWARE_CLIB)
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# include <strings.h>
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#endif
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int OPENSSL_strncasecmp(const char *str1, const char *str2, size_t n)
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{
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#if defined(OPENSSL_IMPLEMENTS_strncasecmp)
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while (*str1 && *str2 && n) {
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int res = toupper(*str1) - toupper(*str2);
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if (res)
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return res < 0 ? -1 : 1;
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str1++;
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str2++;
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n--;
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}
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if (n == 0)
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return 0;
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if (*str1)
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return 1;
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if (*str2)
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return -1;
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return 0;
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#else
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/*
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* Recursion hazard warning! Whenever strncasecmp is #defined as
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* OPENSSL_strncasecmp, OPENSSL_IMPLEMENTS_strncasecmp must be defined as
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* well.
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*/
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return strncasecmp(str1, str2, n);
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#endif
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}
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int OPENSSL_strcasecmp(const char *str1, const char *str2)
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{
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#if defined(OPENSSL_IMPLEMENTS_strncasecmp)
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return OPENSSL_strncasecmp(str1, str2, (size_t)-1);
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#else
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return strcasecmp(str1, str2);
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#endif
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}
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int OPENSSL_memcmp(const void *v1, const void *v2, size_t n)
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{
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const unsigned char *c1 = v1, *c2 = v2;
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int ret = 0;
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while (n && (ret = *c1 - *c2) == 0)
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n--, c1++, c2++;
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return ret;
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}
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char *CRYPTO_strdup(const char *str, const char* file, int line)
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{
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char *ret;
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if (str == NULL)
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return NULL;
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ret = CRYPTO_malloc(strlen(str) + 1, file, line);
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if (ret != NULL)
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strcpy(ret, str);
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return ret;
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}
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char *CRYPTO_strndup(const char *str, size_t s, const char* file, int line)
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{
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const char *cp;
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size_t maxlen;
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char *ret;
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if (str == NULL)
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return NULL;
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/* Get length. */
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for (cp = str, maxlen = s; maxlen-- != 0 && *cp != '\0'; ++cp)
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continue;
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maxlen = cp - str;
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ret = CRYPTO_malloc(maxlen + 1, file, line);
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if (ret) {
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memcpy(ret, str, maxlen);
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ret[maxlen] = '\0';
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}
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return ret;
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}
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void *CRYPTO_memdup(const void *data, size_t siz, const char* file, int line)
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{
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void *ret;
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if (data == NULL || siz >= INT_MAX)
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return NULL;
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ret = CRYPTO_malloc(siz, file, line);
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if (ret == NULL) {
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CRYPTOerr(CRYPTO_F_CRYPTO_MEMDUP, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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return memcpy(ret, data, siz);
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}
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size_t OPENSSL_strnlen(const char *str, size_t maxlen)
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{
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const char *p;
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for (p = str; maxlen-- != 0 && *p != '\0'; ++p) ;
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return p - str;
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}
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size_t OPENSSL_strlcpy(char *dst, const char *src, size_t size)
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{
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size_t l = 0;
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for (; size > 1 && *src; size--) {
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*dst++ = *src++;
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l++;
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}
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if (size)
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*dst = '\0';
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return l + strlen(src);
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}
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size_t OPENSSL_strlcat(char *dst, const char *src, size_t size)
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{
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size_t l = 0;
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for (; size > 0 && *dst; size--, dst++)
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l++;
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return l + OPENSSL_strlcpy(dst, src, size);
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}
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