Robert Millan 2009-11-08 22:51:41 +00:00
parent 4b4c4f6400
commit 63eb2d63b1
14 changed files with 4270 additions and 812 deletions

View file

@ -21,7 +21,7 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
static char rcsid[] ="$Id: eltorito.c,v 1.7 1997/05/17 15:44:31 eric Exp $";
static char rcsid[] ="$Id: eltorito.c,v 1.12 1998/06/02 02:40:37 eric Exp $";
#include <stdio.h>
#include <sys/types.h>
@ -30,14 +30,22 @@ static char rcsid[] ="$Id: eltorito.c,v 1.7 1997/05/17 15:44:31 eric Exp $";
#include <fcntl.h>
#include <stdlib.h>
#include "config.h"
#include "mkisofs.h"
#include "iso9660.h"
/* used by Win32 for opening binary file - not used by Unix */
#ifndef O_BINARY
#define O_BINARY 0
#endif /* O_BINARY */
#undef MIN
#define MIN(a, b) (((a) < (b))? (a): (b))
static struct eltorito_validation_entry valid_desc;
static struct eltorito_defaultboot_entry default_desc;
static struct eltorito_boot_descriptor boot_desc;
/*
* Check for presence of boot catalog. If it does not exist then make it
@ -63,7 +71,7 @@ void FDECL1(init_boot_catalog, const char *, path)
* check for the file existing
*/
#ifdef DEBUG_TORITO
printf("Looking for boot catalog file %s\n",bootpath);
fprintf(stderr,"Looking for boot catalog file %s\n",bootpath);
#endif
if (!stat_filter(bootpath, &statbuf))
@ -93,7 +101,7 @@ void FDECL1(init_boot_catalog, const char *, path)
* file does not exist, so we create it
* make it one CD sector long
*/
bcat = open(bootpath, O_WRONLY | O_CREAT, S_IROTH | S_IRGRP | S_IRWXU );
bcat = open(bootpath, O_WRONLY | O_CREAT | O_BINARY, S_IROTH | S_IRGRP | S_IRWXU );
if (bcat == -1)
{
fprintf(stderr, "Error creating boot catalog, exiting...\n");
@ -207,7 +215,7 @@ void FDECL1(get_torito_desc, struct eltorito_boot_descriptor *, boot_desc)
* assume 512 bytes/sector on a bootable floppy
*/
nsectors = ((de->size + 511) & ~(511))/512;
printf("\nSize of boot image is %d sectors -> ", nsectors);
fprintf(stderr, "\nSize of boot image is %d sectors -> ", nsectors);
/*
* choose size of emulated floppy based on boot image size
@ -215,17 +223,17 @@ void FDECL1(get_torito_desc, struct eltorito_boot_descriptor *, boot_desc)
if (nsectors == 2880 )
{
default_desc.boot_media[0] = EL_TORITO_MEDIA_144FLOP;
printf("Emulating a 1.44 meg floppy\n");
fprintf(stderr, "Emulating a 1.44 meg floppy\n");
}
else if (nsectors == 5760 )
{
default_desc.boot_media[0] = EL_TORITO_MEDIA_288FLOP;
printf("Emulating a 2.88 meg floppy\n");
fprintf(stderr,"Emulating a 2.88 meg floppy\n");
}
else if (nsectors == 2400 )
{
default_desc.boot_media[0] = EL_TORITO_MEDIA_12FLOP;
printf("Emulating a 1.2 meg floppy\n");
fprintf(stderr,"Emulating a 1.2 meg floppy\n");
}
else
{
@ -240,7 +248,7 @@ void FDECL1(get_torito_desc, struct eltorito_boot_descriptor *, boot_desc)
nsectors = 1;
set_721(default_desc.nsect, (unsigned int) nsectors );
#ifdef DEBUG_TORITO
printf("Extent of boot images is %d\n",get_733(de->isorec.extent));
fprintf(stderr,"Extent of boot images is %d\n",get_733(de->isorec.extent));
#endif
set_731(default_desc.bootoff,
(unsigned int) get_733(de->isorec.extent));
@ -248,7 +256,7 @@ void FDECL1(get_torito_desc, struct eltorito_boot_descriptor *, boot_desc)
/*
* now write it to disk
*/
bootcat = open(de2->whole_name, O_RDWR);
bootcat = open(de2->whole_name, O_RDWR | O_BINARY);
if (bootcat == -1)
{
fprintf(stderr,"Error opening boot catalog for update.\n");
@ -263,3 +271,19 @@ void FDECL1(get_torito_desc, struct eltorito_boot_descriptor *, boot_desc)
write(bootcat, &default_desc, 32);
close(bootcat);
} /* get_torito_desc(... */
/*
* Function to write the EVD for the disc.
*/
int FDECL1(tvd_write, FILE *, outfile)
{
/*
* Next we write out the boot volume descriptor for the disc
*/
get_torito_desc(&boot_desc);
xfwrite(&boot_desc, 1, 2048, outfile);
last_extent_written ++;
return 0;
}
struct output_fragment torito_desc = {NULL, oneblock_size, NULL, tvd_write};