2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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
10 #ifndef OPENSSL_BUFFER_H
11 # define OPENSSL_BUFFER_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
16 # define HEADER_BUFFER_H
19 # include <openssl/types.h>
20 # ifndef OPENSSL_CRYPTO_H
21 # include <openssl/crypto.h>
23 # include <openssl/buffererr.h>
31 # include <sys/types.h>
33 # ifndef OPENSSL_NO_DEPRECATED_3_0
34 # define BUF_strdup(s) OPENSSL_strdup(s)
35 # define BUF_strndup(s, size) OPENSSL_strndup(s, size)
36 # define BUF_memdup(data, size) OPENSSL_memdup(data, size)
37 # define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
38 # define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
39 # define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
43 size_t length; /* current number of bytes */
45 size_t max; /* size of buffer */
49 # define BUF_MEM_FLAG_SECURE 0x01
51 BUF_MEM *BUF_MEM_new(void);
52 BUF_MEM *BUF_MEM_new_ex(unsigned long flags);
53 void BUF_MEM_free(BUF_MEM *a);
54 size_t BUF_MEM_grow(BUF_MEM *str, size_t len);
55 size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);
56 void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);