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Registering all drive-media feature descriptors in burn_drive

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This commit is contained in:
Thomas Schmitt
2014-01-07 12:01:18 +00:00
parent 2aa10d1099
commit 658851a497
5 changed files with 120 additions and 3 deletions
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69
libburn/drive.c
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@ -80,6 +80,7 @@ int burn_setup_drive(struct burn_drive *d, char *fname)
d->do_stream_recording = 0;
d->stream_recording_start= 0;
d->role_5_nwa = 0;
d->features = NULL;
return 1;
}
@ -104,6 +105,7 @@ void burn_drive_free_subs(struct burn_drive *d)
if (d->stdio_fd >= 0)
close (d->stdio_fd);
d->stdio_fd = -1;
burn_feature_descr_free(&(d->features), 0);
sg_dispose_drive(d, 0);
}
@ -3430,3 +3432,70 @@ int burn_drive_was_feat21_failure(struct burn_drive *d)
}
/* ts B40106 */
int burn_feature_descr_new(struct burn_feature_descr **new,
unsigned char *descr, int descr_len, int flag)
{
struct burn_feature_descr *o;
*new = NULL;
if (descr_len < 4)
return 0;
(*new) = o = calloc(1, sizeof(struct burn_speed_descriptor));
if (o == NULL)
return -1;
o->feature_code = (descr[0] << 8) | descr[1];
o->flags = descr[2];
if (descr[3] > descr_len - 4)
o->data_lenght = 0;
else
o->data_lenght = descr[3];
o->data = NULL;
o->next = NULL;
if (o->data_lenght > 0) {
o->data = calloc(1, o->data_lenght);
if (o->data == NULL) {
burn_feature_descr_free(new, 0);
return -1;
}
memcpy(o->data, descr + 4, o->data_lenght);
}
return 1;
}
/* ts B40106 */
int burn_feature_descr_free(struct burn_feature_descr **descr, int flag)
{
struct burn_feature_descr *o, *next;
if (*descr == NULL)
return 0;
for (o = *descr; o != NULL; o = next) {
next = o->next;
if (o->data != NULL)
free(o->data);
free((char *) o);
}
*descr = NULL;
return 1;
}
/* ts B40107 */
int burn_drive_has_feature(struct burn_drive *d, int feature_code,
struct burn_feature_descr **descr, int flag)
{
struct burn_feature_descr *o;
for (o = d->features; o != NULL; o = o->next) {
if (o->feature_code == feature_code) {
if (descr != NULL)
*descr = o;
return 1;
}
}
return 0;
}