claunia/libcdio-osx
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Extend to larger interface using generic routines.

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rocky
2003-03-30 01:11:35 +00:00
parent 0b84aac9fb
commit 787b3a76fe
1 changed files with 21 additions and 34 deletions
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55
lib/_cdio_bsdi.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_bsdi.c,v 1.3 2003/03/29 17:32:00 rocky Exp $
$Id: _cdio_bsdi.c,v 1.4 2003/03/30 01:11:35 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -27,7 +27,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_bsdi.c,v 1.3 2003/03/29 17:32:00 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_bsdi.c,v 1.4 2003/03/30 01:11:35 rocky Exp $";
#include "cdio_assert.h"
#include "cdio_private.h"
@@ -54,7 +54,9 @@ static const char _rcsid[] = "$Id: _cdio_bsdi.c,v 1.3 2003/03/29 17:32:00 rocky
#define FIRST_TRACK_NUM (_obj->tochdr.cdth_trk0)
typedef struct {
int fd;
/* Things common to all drivers like this.
This must be first. */
generic_img_private_t gen;
int ioctls_debugged; /* for debugging */
@@ -80,41 +82,24 @@ typedef struct {
static bool
_cdio_init (_img_private_t *_obj)
{
if (_obj->init) {
if (_obj->gen.init) {
cdio_error ("init called more than once");
return false;
}
_obj->fd = open (_obj->source_name, O_RDONLY, 0);
_obj->gen.fd = open (_obj->source_name, O_RDONLY, 0);
if (_obj->fd < 0)
if (_obj->gen.fd < 0)
{
cdio_error ("open (%s): %s", _obj->source_name, strerror (errno));
return false;
}
_obj->init = true;
_obj->gen.init = true;
_obj->toc_init = false;
return true;
}
/*!
Release and free resources associated with cd.
*/
static void
_cdio_free (void *user_data)
{
_img_private_t *_obj = user_data;
if (NULL == _obj) return;
free (_obj->source_name);
if (_obj->fd >= 0)
close (_obj->fd);
free (_obj);
}
/*!
Reads a single mode2 sector from cd device into data starting
from lsn. Returns 0 if no error.
@@ -157,7 +142,7 @@ _read_mode2_sector (void *user_data, void *data, lsn_t lsn,
break;
case _AM_IOCTL:
if (ioctl (_obj->fd, CDROMREADMODE2, &buf) == -1)
if (ioctl (_obj->gen.fd, CDROMREADMODE2, &buf) == -1)
{
perror ("ioctl()");
return 1;
@@ -219,7 +204,7 @@ _cdio_stat_size (void *user_data)
tocent.cdte_track = CDROM_LEADOUT;
tocent.cdte_format = CDROM_LBA;
if (ioctl (_obj->fd, CDROMREADTOCENTRY, &tocent) == -1)
if (ioctl (_obj->gen.fd, CDROMREADTOCENTRY, &tocent) == -1)
{
perror ("ioctl(CDROMREADTOCENTRY)");
exit (EXIT_FAILURE);
@@ -270,7 +255,7 @@ _cdio_read_toc (_img_private_t *_obj)
int i;
/* read TOC header */
if ( ioctl(_obj->fd, CDROMREADTOCHDR, &_obj->tochdr) == -1 ) {
if ( ioctl(_obj->gen.fd, CDROMREADTOCHDR, &_obj->tochdr) == -1 ) {
cdio_error("%s: %s\n",
"error in ioctl CDROMREADTOCHDR", strerror(errno));
return false;
@@ -280,7 +265,7 @@ _cdio_read_toc (_img_private_t *_obj)
for (i= FIRST_TRACK_NUM; i<=TOTAL_TRACKS; i++) {
_obj->tocent[i-1].cdte_track = i;
_obj->tocent[i-1].cdte_format = CDROM_MSF;
if ( ioctl(_obj->fd, CDROMREADTOCENTRY, &_obj->tocent[i-1]) == -1 ) {
if ( ioctl(_obj->gen.fd, CDROMREADTOCENTRY, &_obj->tocent[i-1]) == -1 ) {
cdio_error("%s %d: %s\n",
"error in ioctl CDROMREADTOCENTRY for track",
i, strerror(errno));
@@ -299,7 +284,7 @@ _cdio_read_toc (_img_private_t *_obj)
_obj->tocent[TOTAL_TRACKS].cdte_track = CDROM_LEADOUT;
_obj->tocent[TOTAL_TRACKS].cdte_format = CDROM_MSF;
if (ioctl(_obj->fd, CDROMREADTOCENTRY,
if (ioctl(_obj->gen.fd, CDROMREADTOCENTRY,
&_obj->tocent[TOTAL_TRACKS]) == -1 ) {
cdio_error("%s: %s\n",
"error in ioctl CDROMREADTOCENTRY for lead-out",
@@ -349,7 +334,7 @@ _cdio_eject_media (void *user_data) {
ret=1;
}
close(fd);
_cdio_free((void *) _obj);
cdio_generic_free((void *) _obj);
}
return 2;
}
@@ -512,7 +497,7 @@ cdio_open_bsdi (const char *source_name)
cdio_funcs _funcs = {
.eject_media = _cdio_eject_media,
.free = _cdio_free,
.free = cdio_generic_free,
.get_arg = _cdio_get_arg,
.get_default_device = _cdio_get_default_device,
.get_first_track_num= _cdio_get_first_track_num,
@@ -521,6 +506,8 @@ cdio_open_bsdi (const char *source_name)
.get_track_green = _cdio_get_track_green,
.get_track_lba = NULL, /* This could be implemented if need be. */
.get_track_msf = _cdio_get_track_msf,
.lseek = cdio_generic_lseek,
.read = cdio_generic_read,
.read_mode2_sector = _read_mode2_sector,
.read_mode2_sectors = _read_mode2_sectors,
.set_arg = _cdio_set_arg,
@@ -529,8 +516,8 @@ cdio_open_bsdi (const char *source_name)
_data = _cdio_malloc (sizeof (_img_private_t));
_data->access_mode = _AM_IOCTL;
_data->init = false;
_data->fd = -1;
_data->gen.init = false;
_data->gen.fd = -1;
_cdio_set_arg(_data, "source", (NULL == source_name)
? DEFAULT_CDIO_DEVICE: source_name);
@@ -541,7 +528,7 @@ cdio_open_bsdi (const char *source_name)
if (_cdio_init(_data))
return ret;
else {
_cdio_free (_data);
cdio_generic_free (_data);
return NULL;
}