claunia/libcdio-osx
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Move free routine into a generic routine. Some numbers replaced by

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#define constants.
This commit is contained in:
rocky
2003-04-07 11:24:55 +00:00
parent 552a60929f
commit 5729847c67
1 changed files with 31 additions and 52 deletions
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79
lib/_cdio_bincue.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_bincue.c,v 1.10 2003/04/07 02:58:49 rocky Exp $
$Id: _cdio_bincue.c,v 1.11 2003/04/07 11:24:55 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -28,7 +28,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.10 2003/04/07 02:58:49 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.11 2003/04/07 11:24:55 rocky Exp $";
#include <stdio.h>
#include <ctype.h>
@@ -67,13 +67,6 @@ typedef struct {
} track_info_t;
typedef struct
{
off_t buff_offset; /* buffer offset in disk-image seeks. */
track_t index; /* Current track index in tocent. */
lba_t lba; /* Current LBA */
} internal_position_t;
typedef struct {
/* Things common to all drivers like this.
This must be first. */
@@ -82,7 +75,6 @@ typedef struct {
bool sector_2336; /* Playstation (PSX) uses 2336-byte sectors */
CdioDataSource *data_source;
char *cue_name;
track_info_t tocent[100]; /* entry info for each track */
track_t total_tracks; /* number of tracks in image */
@@ -104,7 +96,7 @@ _cdio_init (_img_private_t *_obj)
if (_obj->gen.init)
return false;
if (!(_obj->data_source = cdio_stdio_new (_obj->gen.source_name))) {
if (!(_obj->gen.data_source = cdio_stdio_new (_obj->gen.source_name))) {
cdio_error ("init failed");
return false;
}
@@ -199,7 +191,7 @@ _cdio_lseek (void *user_data, off_t offset, int whence)
return -1;
} else {
real_offset += _obj->tocent[i].datastart;
return cdio_stream_seek(_obj->data_source, real_offset, whence);
return cdio_stream_seek(_obj->gen.data_source, real_offset, whence);
}
}
@@ -224,7 +216,7 @@ _cdio_read (void *user_data, void *data, size_t size)
while (size > 0) {
int rem = this_track->datasize - _obj->pos.buff_offset;
if (size <= rem) {
this_size = cdio_stream_read(_obj->data_source, buf, size, 1);
this_size = cdio_stream_read(_obj->gen.data_source, buf, size, 1);
final_size += this_size;
memcpy (p, buf, this_size);
break;
@@ -234,15 +226,15 @@ _cdio_read (void *user_data, void *data, size_t size)
cdio_warn ("Reading across block boundaries not finished");
size -= rem;
this_size = cdio_stream_read(_obj->data_source, buf, rem, 1);
this_size = cdio_stream_read(_obj->gen.data_source, buf, rem, 1);
final_size += this_size;
memcpy (p, buf, this_size);
p += this_size;
this_size = cdio_stream_read(_obj->data_source, buf, rem, 1);
this_size = cdio_stream_read(_obj->gen.data_source, buf, rem, 1);
/* Skip over stuff at end of this sector and the beginning of the next.
*/
cdio_stream_read(_obj->data_source, buf, skip_size, 1);
cdio_stream_read(_obj->gen.data_source, buf, skip_size, 1);
/* Get ready to read another sector. */
_obj->pos.buff_offset=0;
@@ -271,7 +263,7 @@ _cdio_stat_size (void *user_data)
_cdio_init (_obj);
size = cdio_stream_stat (_obj->data_source);
size = cdio_stream_stat (_obj->gen.data_source);
if (size % blocksize)
{
@@ -335,8 +327,8 @@ _cdio_image_read_cue (_img_private_t *_obj)
this_track->blocksize = blocksize;
switch(blocksize) {
case 2336:
this_track->datastart = 12 + 4; /* sync, head */
this_track->datasize = 2336; /* sub */
this_track->datastart = CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE;
this_track->datasize = M2RAW_SECTOR_SIZE;
this_track->endsize = 0;
break;
default:
@@ -344,12 +336,13 @@ _cdio_image_read_cue (_img_private_t *_obj)
case 2352:
if (_obj->sector_2336) {
this_track->datastart = 0;
this_track->datasize = 2336;
this_track->datasize = M2RAW_SECTOR_SIZE;
this_track->endsize = blocksize - 2336;
} else {
this_track->datastart = 12 + 4 + 8; /* sync, head, sub */
this_track->datasize = 2048; /* data */
this_track->endsize = 4 + 276; /* EDC, ECC */
this_track->datastart = CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE +
CDIO_CD_SUBHEADER_SIZE;
this_track->datasize = CDIO_CD_FRAMESIZE;
this_track->endsize = CDIO_CD_SYNC_SIZE + CDIO_CD_ECC_SIZE;
}
break;
}
@@ -362,7 +355,7 @@ _cdio_image_read_cue (_img_private_t *_obj)
case 2048:
/* Is the below correct? */
this_track->datastart = 0;
this_track->datasize = 2048;
this_track->datasize = CDIO_CD_FRAMESIZE;
this_track->endsize = 0;
break;
default:
@@ -450,25 +443,8 @@ _cdio_image_read_cue (_img_private_t *_obj)
return true;
}
/*!
Release and free resources used here.
*/
static void
_cdio_free (void *user_data)
{
_img_private_t *_obj = user_data;
free (_obj->gen.source_name);
if (_obj->data_source)
cdio_stream_destroy (_obj->data_source);
free (_obj);
}
static int
_read_mode2_sector (void *user_data, void *data, uint32_t lsn,
bool mode2_form2)
_read_mode2_sector (void *user_data, void *data, lsn_t lsn, bool mode2_form2)
{
_img_private_t *_obj = user_data;
int ret;
@@ -478,18 +454,21 @@ _read_mode2_sector (void *user_data, void *data, uint32_t lsn,
_cdio_init (_obj);
ret = cdio_stream_seek (_obj->data_source, lsn * blocksize, SEEK_SET);
ret = cdio_stream_seek (_obj->gen.data_source, lsn * blocksize, SEEK_SET);
if (ret!=0) return ret;
ret = cdio_stream_read (_obj->data_source,
_obj->sector_2336 ? (buf + 12 + 4) : buf,
ret = cdio_stream_read (_obj->gen.data_source,
_obj->sector_2336
? (buf + CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE)
: buf,
blocksize, 1);
if (ret==0) return ret;
if (mode2_form2)
memcpy (data, buf + 12 + 4, M2RAW_SECTOR_SIZE);
memcpy (data, buf + CDIO_CD_SYNC_SIZE + CDIO_CD_HEADER_SIZE,
M2RAW_SECTOR_SIZE);
else
memcpy (data, buf + 12 + 4 + 8, CDIO_CD_FRAMESIZE);
memcpy (data, buf + CDIO_CD_XA_SYNC_HEADER, CDIO_CD_FRAMESIZE);
return 0;
}
@@ -711,7 +690,7 @@ cdio_open_bincue (const char *source_name)
cdio_funcs _funcs = {
.eject_media = cdio_generic_bogus_eject_media,
.free = _cdio_free,
.free = cdio_generic_stream_free,
.get_arg = _cdio_get_arg,
.get_default_device = _cdio_get_default_device,
.get_first_track_num= _cdio_get_first_track_num,
@@ -750,7 +729,7 @@ cdio_open_cue (const char *cue_name)
cdio_funcs _funcs = {
.eject_media = cdio_generic_bogus_eject_media,
.free = _cdio_free,
.free = cdio_generic_stream_free,
.get_arg = _cdio_get_arg,
.get_default_device = _cdio_get_default_device,
.get_first_track_num= _cdio_get_first_track_num,
@@ -793,7 +772,7 @@ cdio_open_cue (const char *cue_name)
if (_cdio_init(_data))
return ret;
else {
_cdio_free (_data);
cdio_generic_stream_free (_data);
return NULL;
}
}