116 lines
3.8 KiB
C
116 lines
3.8 KiB
C
/* crypto/buffer/buf_str.c */
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/* ====================================================================
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* Copyright (c) 2007 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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* licensing@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 <stdio.h>
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#include "cryptlib.h"
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#include <openssl/buffer.h>
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char *BUF_strdup(const char *str)
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{
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if (str == NULL)
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return (NULL);
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return BUF_strndup(str, strlen(str));
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}
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char *BUF_strndup(const char *str, size_t siz)
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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 = OPENSSL_malloc(siz + 1);
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if (ret == NULL) {
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BUFerr(BUF_F_BUF_STRNDUP, ERR_R_MALLOC_FAILURE);
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return (NULL);
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}
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BUF_strlcpy(ret, str, siz + 1);
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return (ret);
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}
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void *BUF_memdup(const void *data, size_t siz)
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{
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void *ret;
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if (data == NULL)
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return (NULL);
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ret = OPENSSL_malloc(siz);
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if (ret == NULL) {
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BUFerr(BUF_F_BUF_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 BUF_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 BUF_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 + BUF_strlcpy(dst, src, size);
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}
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