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
65extern "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
77struct buf_mem_st
78 {
79 size_t length; /* current number of bytes */
80 char *data;
81 size_t max; /* size of buffer */
82 };
83
84BUF_MEM *BUF_MEM_new(void);
85void BUF_MEM_free(BUF_MEM *a);
86int BUF_MEM_grow(BUF_MEM *str, size_t len);
87int BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
88char * BUF_strdup(const char *str);
89char * BUF_strndup(const char *str, size_t siz);
90void * BUF_memdup(const void *data, size_t siz);
91void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);
92
93/* safe string functions */
94size_t BUF_strlcpy(char *dst,const char *src,size_t siz);
95size_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 */
102void 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