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| 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 } | |
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