/*!
Reads nblocks of mode2 sectors from cd device into data starting
from lsn.
Returns 0 if no error.
*/
static int
_cdio_read_mode2_sectors (void *env, void *data, lsn_t lsn,
bool mode2_form2, unsigned int nblocks)
{
_img_private_t *_obj = env;
unsigned int i;
int retval;
for (i = 0; i < nblocks; i++) {
if (mode2_form2) {
if ( (retval = _cdio_read_mode2_sector (_obj,
((char *)data)
+ (M2RAW_SECTOR_SIZE * i),
lsn + i, true)) )
return retval;
} else {
char buf[M2RAW_SECTOR_SIZE] = { 0, };
if ( (retval = _cdio_read_mode2_sector (_obj, buf, lsn + i, true)) )
return retval;
memcpy (((char *)data) + (CDIO_CD_FRAMESIZE * i),
buf + CDIO_CD_SUBHEADER_SIZE, CDIO_CD_FRAMESIZE);
}
}
return 0;
}
/*!
Reads nblocks of mode2 sectors from cd device into data starting
from lsn.
Returns 0 if no error.
*/
static int
_cdio_read_mode2_sectors (void *p_user_data, void *data, lsn_t lsn,
bool b_form2, unsigned int nblocks)
{
int i;
int retval;
unsigned int blocksize = b_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE;
for (i = 0; i < nblocks; i++) {
if ( (retval = _cdio_read_mode2_sector (p_user_data,
((char *)data) + (blocksize * i),
lsn + i, b_form2)) )
return retval;
}
return 0;
}
static int
_cdio_read_mode2_sectors(void *user_data, void *data, lsn_t lsn,
bool mode2_form2, unsigned int nblocks)
{
int i, res;
char *buf = data;
for (i = 0; i < nblocks; i++) {
res = _cdio_read_mode2_sector(user_data, buf, lsn, mode2_form2);
if (res)
return res;
buf += (mode2_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE);
lsn++;
}
return 0;
}
