You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.5 KiB
100 lines
2.5 KiB
12 years ago
|
/* bitfile.h
|
||
|
|
*
|
||
|
|
* Library routines for dealing with bit files, version 0.2
|
||
|
|
*
|
||
|
|
* Copyright 2001, 2002 by David Sullins
|
||
|
|
*
|
||
|
|
* This file is part of Bitinfo.
|
||
|
|
*
|
||
|
|
* Bitinfo 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, version 2 of the License.
|
||
|
|
*
|
||
|
|
* Bitinfo 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
|
||
|
|
* Bitinfo; if not, write to the Free Software Foundation, Inc., 59 Temple
|
||
|
|
* Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*
|
||
|
|
* You may contact the author at djs@naspa.net.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
/* struct bithead
|
||
|
|
*
|
||
|
|
* Stores the information obtained from the bitfile header. Use initbh to
|
||
|
|
* initialize the struct, and freebh to free memory allocated for the struct.
|
||
|
|
*/
|
||
|
|
struct bithead
|
||
|
|
{
|
||
|
|
char* filename;
|
||
|
|
char* part;
|
||
|
|
char* date;
|
||
|
|
char* time;
|
||
|
|
int length;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* initbh
|
||
|
|
*
|
||
|
|
* Initialize the bithead struct
|
||
|
|
*/
|
||
|
|
void initbh(struct bithead *bh);
|
||
|
|
|
||
|
|
/* freebh
|
||
|
|
*
|
||
|
|
* Free up memory allocated for a bithead struct.
|
||
|
|
*/
|
||
|
|
void freebh(struct bithead *bh);
|
||
|
|
|
||
|
|
/* readhead
|
||
|
|
*
|
||
|
|
* Read the entire bit file header. The file pointer will be advanced to
|
||
|
|
* point to the beginning of the bitstream, and the bitfile header struct
|
||
|
|
* will be filled with the appropriate data.
|
||
|
|
*
|
||
|
|
* Return -1 if an error occurs, 0 otherwise.
|
||
|
|
*/
|
||
|
|
int readhead(struct bithead *bh, FILE *f);
|
||
|
|
|
||
|
|
/* readhead13
|
||
|
|
*
|
||
|
|
* Read the first 13 bytes of the bit file. Discards the 13 bytes but
|
||
|
|
* verifies that they are correct.
|
||
|
|
*
|
||
|
|
* Return -1 if an error occurs, 0 otherwise.
|
||
|
|
*/
|
||
|
|
int readhead13 (FILE *f);
|
||
|
|
|
||
|
|
/* readsecthead
|
||
|
|
*
|
||
|
|
* Read the header of a bit file section. The section letter is placed in
|
||
|
|
* section buffer "buf" and the length of the following section is
|
||
|
|
* returned. If buf is NULL, the section letter is discarded.
|
||
|
|
*
|
||
|
|
* Return -1 if an error occurs, length of section otherwise.
|
||
|
|
*/
|
||
|
|
int readsecthead(char *buf, FILE *f);
|
||
|
|
|
||
|
|
/* readsection
|
||
|
|
*
|
||
|
|
* Read a section of a bit file. The section contents are placed
|
||
|
|
* in the contents buffer "buf."
|
||
|
|
*
|
||
|
|
* Return -1 if an error occurs, 0 otherwise.
|
||
|
|
*/
|
||
|
|
int readsection(char *buf, int length, FILE *f);
|
||
|
|
|
||
|
|
/* readlength
|
||
|
|
*
|
||
|
|
* Read in the bitstream length. The section letter "e" is discarded
|
||
|
|
* and the length is returned.
|
||
|
|
*
|
||
|
|
* Return -1 if an error occurs, length otherwise.
|
||
|
|
*/
|
||
|
|
int readlength(FILE *f);
|
||
|
|
|