1/*
2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#ifndef OPENSSL_BUFFER_H
11#define OPENSSL_BUFFER_H
12#pragma once
13
14#include <openssl/macros.h>
15#ifndef OPENSSL_NO_DEPRECATED_3_0
16#define HEADER_BUFFER_H
17#endif
18
19#include <openssl/types.h>
20#ifndef OPENSSL_CRYPTO_H
21#include <openssl/crypto.h>
22#endif
23#include <openssl/buffererr.h>
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29#include <stddef.h>
30#include <sys/types.h>
31
32#ifndef OPENSSL_NO_DEPRECATED_3_0
33#define BUF_strdup(s) OPENSSL_strdup(s)
34#define BUF_strndup(s, size) OPENSSL_strndup(s, size)
35#define BUF_memdup(data, size) OPENSSL_memdup(data, size)
36#define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
37#define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
38#define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
39#endif
40
41struct buf_mem_st {
42 size_t length; /* current number of bytes */
43 char *data;
44 size_t max; /* size of buffer */
45 unsigned long flags;
46};
47
48#define BUF_MEM_FLAG_SECURE 0x01
49
50BUF_MEM *BUF_MEM_new(void);
51BUF_MEM *BUF_MEM_new_ex(unsigned long flags);
52void BUF_MEM_free(BUF_MEM *a);
53size_t BUF_MEM_grow(BUF_MEM *str, size_t len);
54size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
55void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);
56
57#ifdef __cplusplus
58}
59#endif
60#endif
61