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/*
$Id: iso2.c,v 1.5 2005/01/04 04:40:22 rocky Exp $
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Simple program to show using libiso9660 to extract a file from a
cue/bin CD-IMAGE.
*/
/* This is the CD-image with an ISO-9660 filesystem */
#define ISO9660_IMAGE_PATH "../"
#define ISO9660_IMAGE ISO9660_IMAGE_PATH "test/isofs-m1.cue"
#define ISO9660_FILENAME "/COPYING.;1"
#define LOCAL_FILENAME "copying"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "portable.h"
#include <cdio/cdio.h>
#include <cdio/iso9660.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#define my_exit(rc) \
fclose (p_outfd); \
free(p_statbuf); \
cdio_destroy(p_cdio); \
return rc; \
int
main(int argc, const char *argv[])
{
iso9660_stat_t *p_statbuf;
FILE *p_outfd;
int i;
CdIo_t *p_cdio = cdio_open (ISO9660_IMAGE, DRIVER_BINCUE);
if (NULL == p_cdio) {
fprintf(stderr, "Sorry, couldn't open BIN/CUE image %s\n", ISO9660_IMAGE);
return 1;
}
p_statbuf = iso9660_fs_stat (p_cdio, ISO9660_FILENAME);
if (NULL == p_statbuf)
{
fprintf(stderr,
"Could not get ISO-9660 file information for file %s\n",
ISO9660_FILENAME);
cdio_destroy(p_cdio);
return 2;
}
if (!(p_outfd = fopen ("copying", "wb")))
{
perror ("fopen()");
cdio_destroy(p_cdio);
free(p_statbuf);
return 3;
}
/* Copy the blocks from the ISO-9660 filesystem to the local filesystem. */
for (i = 0; i < p_statbuf->size; i += ISO_BLOCKSIZE)
{
char buf[ISO_BLOCKSIZE];
memset (buf, 0, ISO_BLOCKSIZE);
if ( 0 != cdio_read_mode1_sector (p_cdio, buf,
p_statbuf->lsn + (i / ISO_BLOCKSIZE),
false) )
{
fprintf(stderr, "Error reading ISO 9660 file at lsn %lu\n",
(long unsigned int) p_statbuf->lsn + (i / ISO_BLOCKSIZE));
my_exit(4);
}
fwrite (buf, ISO_BLOCKSIZE, 1, p_outfd);
if (ferror (p_outfd))
{
perror ("fwrite()");
my_exit(5);
}
}
fflush (p_outfd);
/* Make sure the file size has the exact same byte size. Without the
truncate below, the file will a multiple of ISO_BLOCKSIZE.
*/
if (ftruncate (fileno (p_outfd), p_statbuf->size))
perror ("ftruncate()");
printf("Extraction of file 'copying' from %s successful.\n", ISO9660_IMAGE);
my_exit(0);
}
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