claunia/libcdio-osx
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BSDI Fixes.

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This commit is contained in:
rocky
2003-10-02 02:59:57 +00:00
parent 8fac8e9279
commit d63dec6ebe
8 changed files with 176 additions and 31 deletions
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141
lib/_cdio_bsdi.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_bsdi.c,v 1.13 2003/09/25 09:38:16 rocky Exp $
$Id: _cdio_bsdi.c,v 1.14 2003/10/02 02:59:58 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -19,7 +19,7 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* This file contains Linux-specific code and implements low-level
/* This file contains BSDI-specific code and implements low-level
control of the CD drive.
*/
@@ -27,7 +27,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_bsdi.c,v 1.13 2003/09/25 09:38:16 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_bsdi.c,v 1.14 2003/10/02 02:59:58 rocky Exp $";
#include <cdio/sector.h>
#include <cdio/util.h>
@@ -76,6 +76,37 @@ typedef struct {
} _img_private_t;
/* Check a drive to see if it is a CD-ROM
Return 1 if a CD-ROM. 0 if it exists but isn't a CD-ROM drive
and -1 if no device exists .
*/
static int
cdio_is_cdrom(char *drive, char *mnttype)
{
bool is_cd=false;
int cdfd;
struct cdrom_tochdr tochdr;
/* If it doesn't exist, return -1 */
if ( !cdio_is_device_quiet_generic(drive) ) {
return(false);
}
/* If it does exist, verify that it's an available CD-ROM */
cdfd = open(drive, (O_RDONLY|O_EXCL|O_NONBLOCK), 0);
if ( cdfd >= 0 ) {
if ( ioctl(cdfd, CDROMREADTOCHDR, &tochdr) != -1 ) {
is_cd = true;
}
close(cdfd);
}
/* Even if we can't read it, it might be mounted */
else if ( mnttype && (strcmp(mnttype, "iso9660") == 0) ) {
is_cd = true;
}
return(is_cd);
}
/*!
Initialize CD device.
*/
@@ -100,6 +131,62 @@ _cdio_init (_img_private_t *_obj)
return true;
}
/* Read audio sectors
*/
static int
_read_audio_sectors (void *user_data, void *data, lsn_t lsn,
unsigned int nblocks)
{
char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, };
struct cdrom_msf *msf = (struct cdrom_msf *) &buf;
msf_t _msf;
_img_private_t *_obj = user_data;
cdio_lba_to_msf (cdio_lsn_to_lba(lsn), &_msf);
msf->cdmsf_min0 = from_bcd8(_msf.m);
msf->cdmsf_sec0 = from_bcd8(_msf.s);
msf->cdmsf_frame0 = from_bcd8(_msf.f);
if (_obj->ioctls_debugged == 75)
cdio_debug ("only displaying every 75th ioctl from now on");
if (_obj->ioctls_debugged == 30 * 75)
cdio_debug ("only displaying every 30*75th ioctl from now on");
if (_obj->ioctls_debugged < 75
|| (_obj->ioctls_debugged < (30 * 75)
&& _obj->ioctls_debugged % 75 == 0)
|| _obj->ioctls_debugged % (30 * 75) == 0)
cdio_debug ("reading %2.2d:%2.2d:%2.2d",
msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0);
_obj->ioctls_debugged++;
switch (_obj->access_mode) {
case _AM_NONE:
cdio_error ("no way to read audio");
return 1;
break;
case _AM_IOCTL: {
unsigned int i;
for (i=0; i < nblocks; i++) {
if (ioctl (_obj->gen.fd, CDROMREADRAW, &buf) == -1) {
perror ("ioctl()");
return 1;
/* exit (EXIT_FAILURE); */
}
memcpy (((char *)data) + (CDIO_CD_FRAMESIZE_RAW * i), buf,
CDIO_CD_FRAMESIZE_RAW);
}
break;
}
}
return 0;
}
/*!
Reads a single mode2 sector from cd device into data starting
from lsn. Returns 0 if no error.
@@ -475,7 +562,50 @@ _cdio_get_track_msf(void *user_data, track_t track_num, msf_t *msf)
#endif /* HAVE_BSDI_CDROM */
/*!
Return a string containing the default VCD device if none is specified.
Return an array of strings giving possible CD devices.
*/
char **
cdio_get_devices_bsdi (void)
{
#ifndef HAVE_BSDI_CDROM
return NULL;
#else
char drive[40];
char **drives = NULL;
unsigned int num_drives=0;
char c;
/* Scan the system for CD-ROM drives.
*/
#if FINISHED
/* Now check the currently mounted CD drives */
if (NULL != (ret_drive = cdio_check_mounts("/etc/mtab"))) {
cdio_add_device_list(&drives, drive, &num_drives);
}
/* Finally check possible mountable drives in /etc/fstab */
if (NULL != (ret_drive = cdio_check_mounts("/etc/fstab"))) {
cdio_add_device_list(&drives, drive, &num_drives);
}
#endif
/* Scan the system for CD-ROM drives.
Not always 100% reliable, so use the USE_MNTENT code above first.
*/
for ( c='c'; c <='h'; c++ ) {
sprintf(drive, "/dev/rsr0%c", c);
if ( cdio_is_cdrom(drive, NULL) > 0 ) {
cdio_add_device_list(&drives, drive, &num_drives);
}
}
cdio_add_device_list(&drives, NULL, &num_drives);
return drives;
#endif /*HAVE_BSDI_CDROM*/
}
/*!
Return a string containing the default CD device if none is specified.
*/
char *
cdio_get_default_device_bsdi(void)
@@ -501,6 +631,7 @@ cdio_open_bsdi (const char *source_name)
.free = cdio_generic_free,
.get_arg = _cdio_get_arg,
.get_default_device = cdio_get_default_device_bsdi,
.get_devices = cdio_get_devices_bsdi,
.get_first_track_num= _cdio_get_first_track_num,
.get_mcn = NULL,
.get_num_tracks = _cdio_get_num_tracks,
@@ -511,7 +642,7 @@ cdio_open_bsdi (const char *source_name)
.lseek = cdio_generic_lseek,
.read = cdio_generic_read,
.read_mode2_sector = _read_mode2_sector,
.read_audio_sectors = NULL,
.read_audio_sectors = _read_audio_sectors,
.read_mode2_sectors = _read_mode2_sectors,
.set_arg = _cdio_set_arg,
.stat_size = _cdio_stat_size