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/* 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);
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