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100 lines
2.5 KiB
100 lines
2.5 KiB
/* bitfile.h
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*
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* Library routines for dealing with bit files, version 0.2
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*
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* Copyright 2001, 2002 by David Sullins
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*
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* This file is part of Bitinfo.
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*
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* Bitinfo is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, version 2 of the License.
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*
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* Bitinfo is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* Bitinfo; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* You may contact the author at djs@naspa.net.
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*/
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#include <stdio.h>
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/* struct bithead
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*
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* Stores the information obtained from the bitfile header. Use initbh to
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* initialize the struct, and freebh to free memory allocated for the struct.
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*/
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struct bithead
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{
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char* filename;
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char* part;
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char* date;
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char* time;
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int length;
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};
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/* initbh
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*
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* Initialize the bithead struct
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*/
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void initbh(struct bithead *bh);
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/* freebh
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*
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* Free up memory allocated for a bithead struct.
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*/
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void freebh(struct bithead *bh);
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/* readhead
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*
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* Read the entire bit file header. The file pointer will be advanced to
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* point to the beginning of the bitstream, and the bitfile header struct
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* will be filled with the appropriate data.
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*
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* Return -1 if an error occurs, 0 otherwise.
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*/
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int readhead(struct bithead *bh, FILE *f);
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/* readhead13
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*
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* Read the first 13 bytes of the bit file. Discards the 13 bytes but
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* verifies that they are correct.
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*
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* Return -1 if an error occurs, 0 otherwise.
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*/
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int readhead13 (FILE *f);
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/* readsecthead
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*
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* Read the header of a bit file section. The section letter is placed in
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* section buffer "buf" and the length of the following section is
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* returned. If buf is NULL, the section letter is discarded.
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*
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* Return -1 if an error occurs, length of section otherwise.
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*/
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int readsecthead(char *buf, FILE *f);
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/* readsection
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*
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* Read a section of a bit file. The section contents are placed
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* in the contents buffer "buf."
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*
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* Return -1 if an error occurs, 0 otherwise.
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*/
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int readsection(char *buf, int length, FILE *f);
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/* readlength
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*
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* Read in the bitstream length. The section letter "e" is discarded
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* and the length is returned.
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*
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* Return -1 if an error occurs, length otherwise.
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*/
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int readlength(FILE *f);
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