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/*
Simple buffer
Basic buffer manipulation routines. Taken from ELAPI code.
Copyright (C) Dmitri Pal <dpal@redhat.com> 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ELAPI_SIMPLEBUFFER_H
#define ELAPI_SIMPLEBUFFER_H
#include <stdint.h>
#ifndef EOK
#define EOK 0
#endif
/* Generic data structure for the buffer */
struct simplebuffer {
unsigned char *buffer;
uint32_t size;
uint32_t length;
};
/* Function to free data */
void simplebuffer_free(struct simplebuffer *data);
/* Allocate data structure */
int simplebuffer_alloc(struct simplebuffer **data);
/* Function to add memory to the buffer */
int simplebuffer_grow(struct simplebuffer *data,
uint32_t len,
uint32_t block);
/* Function to add raw data to the end of the buffer.
* Terminating 0 is not counted in length but appended
* automatically.
*/
int simplebuffer_add_raw(struct simplebuffer *data,
void *data_in,
uint32_t len,
uint32_t block);
/* Function to add string to the buffer.
* Same as above just uses string as an argument.
*/
int simplebuffer_add_str(struct simplebuffer *data,
const char *str,
uint32_t len,
uint32_t block);
/* Finction to add CR to the buffer */
int simplebuffer_add_cr(struct simplebuffer *data);
/* Function to write data synchroniusly */
int simplebuffer_write(int fd,
struct simplebuffer *data,
uint32_t *left);
/* Get buffer */
const unsigned char *simplebuffer_get_buf(struct simplebuffer *data);
/* Get length */
uint32_t simplebuffer_get_len(struct simplebuffer *data);
#endif
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