diff options
Diffstat (limited to 'openssl/crypto/buffer/buf_str.c')
-rw-r--r-- | openssl/crypto/buffer/buf_str.c | 116 |
1 files changed, 116 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..28dd1e401 --- /dev/null +++ b/openssl/crypto/buffer/buf_str.c @@ -0,0 +1,116 @@ +/* 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); + } |