/*
* Copyright 2015 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Jan Černý <jcerny@redhat.com>
*/
#ifndef OSCAP_BUFFER_H_
#define OSCAP_BUFFER_H_
#include "util.h"
struct oscap_buffer;
/**
* Create a new buffer.
* @return pointer to a buffer on success, NULL on failure
*/
struct oscap_buffer *oscap_buffer_new(void);
/**
* Free the buffer from memory.
* @param s buffer
*/
void oscap_buffer_free(struct oscap_buffer *s);
/**
* Return pointer to internal data
* Free oscap_buffer structure
* @param s buffer
*/
char* oscap_buffer_bequeath(struct oscap_buffer *s);
/**
* Erases the contents of the buffer. Length of string becomes 0
* @param s string
*/
void oscap_buffer_clear(struct oscap_buffer *s);
/**
* Append a single char at the end of a buffer.
* @param s buffer
* @param c to append
*/
void oscap_buffer_append_char(struct oscap_buffer *s, char c);
/**
* Append multiple characters at the end of string. These characters can contains '\0'
* @param s string
* @param t binary data to append
* @param append_length size of data to append in bytes
*/
void oscap_buffer_append_binary_data(struct oscap_buffer *s, const char *data, const size_t append_length);
/**
* Append multiple characters at the end of buffer.
* @param s buffer
* @param t to append
*/
void oscap_buffer_append_string(struct oscap_buffer *s, const char *t);
/**
* Get buffer data as pointer to char
* @param s buffer
* @return pointer to data
*/
char *oscap_buffer_get_raw(const struct oscap_buffer *s);
/**
* Get length of internal data
* @param s buffer
* @return count of stored bytes
*/
size_t oscap_buffer_get_length(const struct oscap_buffer *s);
#endif