diff options
Diffstat (limited to 'src/lib/libcrypto/buffer/buf_str.c')
| -rw-r--r-- | src/lib/libcrypto/buffer/buf_str.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/lib/libcrypto/buffer/buf_str.c b/src/lib/libcrypto/buffer/buf_str.c new file mode 100644 index 0000000000..28dd1e401e --- /dev/null +++ b/src/lib/libcrypto/buffer/buf_str.c | |||
| @@ -0,0 +1,116 @@ | |||
| 1 | /* crypto/buffer/buf_str.c */ | ||
| 2 | /* ==================================================================== | ||
| 3 | * Copyright (c) 2007 The OpenSSL Project. All rights reserved. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions | ||
| 7 | * are met: | ||
| 8 | * | ||
| 9 | * 1. Redistributions of source code must retain the above copyright | ||
| 10 | * notice, this list of conditions and the following disclaimer. | ||
| 11 | * | ||
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer in | ||
| 14 | * the documentation and/or other materials provided with the | ||
| 15 | * distribution. | ||
| 16 | * | ||
| 17 | * 3. All advertising materials mentioning features or use of this | ||
| 18 | * software must display the following acknowledgment: | ||
| 19 | * "This product includes software developed by the OpenSSL Project | ||
| 20 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 21 | * | ||
| 22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 23 | * endorse or promote products derived from this software without | ||
| 24 | * prior written permission. For written permission, please contact | ||
| 25 | * licensing@OpenSSL.org. | ||
| 26 | * | ||
| 27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 28 | * nor may "OpenSSL" appear in their names without prior written | ||
| 29 | * permission of the OpenSSL Project. | ||
| 30 | * | ||
| 31 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 32 | * acknowledgment: | ||
| 33 | * "This product includes software developed by the OpenSSL Project | ||
| 34 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 35 | * | ||
| 36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 48 | * ==================================================================== | ||
| 49 | * | ||
| 50 | * This product includes cryptographic software written by Eric Young | ||
| 51 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 52 | * Hudson (tjh@cryptsoft.com). | ||
| 53 | * | ||
| 54 | */ | ||
| 55 | |||
| 56 | #include <stdio.h> | ||
| 57 | #include "cryptlib.h" | ||
| 58 | #include <openssl/buffer.h> | ||
| 59 | |||
| 60 | char *BUF_strdup(const char *str) | ||
| 61 | { | ||
| 62 | if (str == NULL) return(NULL); | ||
| 63 | return BUF_strndup(str, strlen(str)); | ||
| 64 | } | ||
| 65 | |||
| 66 | char *BUF_strndup(const char *str, size_t siz) | ||
| 67 | { | ||
| 68 | char *ret; | ||
| 69 | |||
| 70 | if (str == NULL) return(NULL); | ||
| 71 | |||
| 72 | ret=OPENSSL_malloc(siz+1); | ||
| 73 | if (ret == NULL) | ||
| 74 | { | ||
| 75 | BUFerr(BUF_F_BUF_STRNDUP,ERR_R_MALLOC_FAILURE); | ||
| 76 | return(NULL); | ||
| 77 | } | ||
| 78 | BUF_strlcpy(ret,str,siz+1); | ||
| 79 | return(ret); | ||
| 80 | } | ||
| 81 | |||
| 82 | void *BUF_memdup(const void *data, size_t siz) | ||
| 83 | { | ||
| 84 | void *ret; | ||
| 85 | |||
| 86 | if (data == NULL) return(NULL); | ||
| 87 | |||
| 88 | ret=OPENSSL_malloc(siz); | ||
| 89 | if (ret == NULL) | ||
| 90 | { | ||
| 91 | BUFerr(BUF_F_BUF_MEMDUP,ERR_R_MALLOC_FAILURE); | ||
| 92 | return(NULL); | ||
| 93 | } | ||
| 94 | return memcpy(ret, data, siz); | ||
| 95 | } | ||
| 96 | |||
| 97 | size_t BUF_strlcpy(char *dst, const char *src, size_t size) | ||
| 98 | { | ||
| 99 | size_t l = 0; | ||
| 100 | for(; size > 1 && *src; size--) | ||
| 101 | { | ||
| 102 | *dst++ = *src++; | ||
| 103 | l++; | ||
| 104 | } | ||
| 105 | if (size) | ||
| 106 | *dst = '\0'; | ||
| 107 | return l + strlen(src); | ||
| 108 | } | ||
| 109 | |||
| 110 | size_t BUF_strlcat(char *dst, const char *src, size_t size) | ||
| 111 | { | ||
| 112 | size_t l = 0; | ||
| 113 | for(; size > 0 && *dst; size--, dst++) | ||
| 114 | l++; | ||
| 115 | return l + BUF_strlcpy(dst, src, size); | ||
| 116 | } | ||
