| /* crypto/buffer/buf_str.c */ |
| /* ==================================================================== |
| * Copyright (c) 2007 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 |
| * licensing@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 <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); |
| } |