diff options
Diffstat (limited to 'openssl/crypto/buffer/buf_str.c')
| -rw-r--r-- | openssl/crypto/buffer/buf_str.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/openssl/crypto/buffer/buf_str.c b/openssl/crypto/buffer/buf_str.c new file mode 100644 index 000000000..151f5ea97 --- /dev/null +++ b/openssl/crypto/buffer/buf_str.c @@ -0,0 +1,119 @@ +/* crypto/buffer/buffer.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/buffer.h> + +char *BUF_strdup(const char *str) + { + if (str == NULL) return(NULL); + return BUF_strndup(str, strlen(str)); + } + +char *BUF_strndup(const char *str, size_t siz) + { + char *ret; + + if (str == NULL) return(NULL); + + ret=OPENSSL_malloc(siz+1); + if (ret == NULL) + { + BUFerr(BUF_F_BUF_STRNDUP,ERR_R_MALLOC_FAILURE); + return(NULL); + } + BUF_strlcpy(ret,str,siz+1); + return(ret); + } + +void *BUF_memdup(const void *data, size_t siz) + { + void *ret; + + if (data == NULL) return(NULL); + + ret=OPENSSL_malloc(siz); + if (ret == NULL) + { + BUFerr(BUF_F_BUF_MEMDUP,ERR_R_MALLOC_FAILURE); + return(NULL); + } + return memcpy(ret, data, siz); + } + +size_t BUF_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 BUF_strlcat(char *dst, const char *src, size_t size) + { + size_t l = 0; + for(; size > 0 && *dst; size--, dst++) + l++; + return l + BUF_strlcpy(dst, src, size); + } |