1 /* crypto/buffer/buffer.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #ifndef HEADER_BUFFER_H 60 #define HEADER_BUFFER_H 61 62 #include <openssl/ossl_typ.h> 63 64 #ifdef __cplusplus 65 extern "C" { 66 #endif 67 68 #include <stddef.h> 69 70 #if !defined(NO_SYS_TYPES_H) 71 #include <sys/types.h> 72 #endif 73 74 /* Already declared in ossl_typ.h */ 75 /* typedef struct buf_mem_st BUF_MEM; */ 76 77 struct buf_mem_st 78 { 79 size_t length; /* current number of bytes */ 80 char *data; 81 size_t max; /* size of buffer */ 82 }; 83 84 BUF_MEM *BUF_MEM_new(void); 85 void BUF_MEM_free(BUF_MEM *a); 86 int BUF_MEM_grow(BUF_MEM *str, size_t len); 87 int BUF_MEM_grow_clean(BUF_MEM *str, size_t len); 88 char * BUF_strdup(const char *str); 89 char * BUF_strndup(const char *str, size_t siz); 90 void * BUF_memdup(const void *data, size_t siz); 91 void BUF_reverse(unsigned char *out, unsigned char *in, size_t siz); 92 93 /* safe string functions */ 94 size_t BUF_strlcpy(char *dst,const char *src,size_t siz); 95 size_t BUF_strlcat(char *dst,const char *src,size_t siz); 96 97 98 /* BEGIN ERROR CODES */ 99 /* The following lines are auto generated by the script mkerr.pl. Any changes 100 * made after this point may be overwritten when the script is next run. 101 */ 102 void ERR_load_BUF_strings(void); 103 104 /* Error codes for the BUF functions. */ 105 106 /* Function codes. */ 107 #define BUF_F_BUF_MEMDUP 103 108 #define BUF_F_BUF_MEM_GROW 100 109 #define BUF_F_BUF_MEM_GROW_CLEAN 105 110 #define BUF_F_BUF_MEM_NEW 101 111 #define BUF_F_BUF_STRDUP 102 112 #define BUF_F_BUF_STRNDUP 104 113 114 /* Reason codes. */ 115 116 #ifdef __cplusplus 117 } 118 #endif 119 #endif 120