/*

 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#ifndef OPENSSL_BUFFER_H

# define OPENSSL_BUFFER_H

# pragma once

# include <openssl/macros.h>

# ifndef OPENSSL_NO_DEPRECATED_3_0

#  define HEADER_BUFFER_H

# endif

# include <openssl/types.h>

# ifndef OPENSSL_CRYPTO_H

#  include <openssl/crypto.h>

# endif

# include <openssl/buffererr.h>

#ifdef  __cplusplus

extern "C" {

#endif

# include <stddef.h>

# include <sys/types.h>

# ifndef OPENSSL_NO_DEPRECATED_3_0

#  define BUF_strdup(s) OPENSSL_strdup(s)

#  define BUF_strndup(s, size) OPENSSL_strndup(s, size)

#  define BUF_memdup(data, size) OPENSSL_memdup(data, size)

#  define BUF_strlcpy(dst, src, size)  OPENSSL_strlcpy(dst, src, size)

#  define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)

#  define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)

# endif

struct buf_mem_st {

    size_t length;              /* current number of bytes */

    char *data;

    size_t max;                 /* size of buffer */

    unsigned long flags;

};

# define BUF_MEM_FLAG_SECURE  0x01

BUF_MEM *BUF_MEM_new(void);

BUF_MEM *BUF_MEM_new_ex(unsigned long flags);

void BUF_MEM_free(BUF_MEM *a);

size_t BUF_MEM_grow(BUF_MEM *str, size_t len);

size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len);

void BUF_reverse(unsigned char *out, const unsigned char *in, size_t siz);

# ifdef  __cplusplus

}

# endif

#endif