Defaulting sessions without leadout entry

cdrskin/cdrskin_timestamp.h

@@ -1 +1 @@
-#define Cdrskin_timestamP "2008.11.29.140404"
+#define Cdrskin_timestamP "2008.12.03.085219"

libburn/libdax_msgs.h

@@ -531,7 +531,9 @@ Range "scdbackup"          :  0x00020000 to 0x0002ffff
  0x0002015c (FAILURE,HIGH) = Fifo size is smaller than desired peek buffer
  0x0002015d (FAILURE,HIGH) = Fifo input ended short of desired peek buffer size
  0x0002015e (FATAL,HIGH)   = Fifo is already under consumption when peeking
- 0x0002015f (MISHAP,HIGH) = Damaged CD table-of-content detected and truncated
+ 0x0002015f (MISHAP,HIGH)  = Damaged CD table-of-content detected and truncated
+ 0x00020160 (WARNING,HIGH) = Session without leadout encountered
+ 0x00020161 (WARNING,HIGH) = Empty session deleted
 
  libdax_audioxtr:
  0x00020200 (SORRY,HIGH)   = Cannot open audio source file

libburn/mmc.c

@@ -1143,8 +1143,9 @@ static int mmc_read_toc_al(struct burn_drive *d, int *alloc_len)
 	struct buffer buf;
 	struct command c;
 	int dlen;
-	int i, bpl= 12, old_alloc_len;
+	int i, bpl= 12, old_alloc_len, t_idx;
 	unsigned char *tdata;
+	char msg[321];
 
 	if (*alloc_len < 4)
 		return 0;
@@ -1220,7 +1221,9 @@ static int mmc_read_toc_al(struct burn_drive *d, int *alloc_len)
 	ts A61007 : if re-enabled then not via Assert.
 	a ssert(((dlen - 2) % 11) == 0);
 */
-	d->toc_entry = calloc(d->toc_entries, sizeof(struct burn_toc_entry));
+	/* ts A81202: plus number of sessions as reserve for leadout default */
+	d->toc_entry = calloc(d->toc_entries + (unsigned char) c.page->data[3],
+				 sizeof(struct burn_toc_entry));
 	if(d->toc_entry == NULL) /* ts A70825 */
 		return 0;
 	tdata = c.page->data + 4;
@@ -1307,6 +1310,42 @@ static int mmc_read_toc_al(struct burn_drive *d, int *alloc_len)
 		d->status = BURN_DISC_FULL;
 	toc_find_modes(d);
 
+	/* ts A81202 ticket 146 : a drive reported a session with no leadout */
+	for (i = 0; i < d->disc->sessions; i++) {
+		if (d->disc->session[i]->leadout_entry != NULL)
+	continue;
+		sprintf(msg, "Session %d of %d encountered without leadout",
+			i + 1, d->disc->sessions);
+		libdax_msgs_submit(libdax_messenger, d->global_index,
+				0x00020160,
+				LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
+				msg, 0, 0);
+
+		/* Produce default leadout entry from last track of session
+		   which will thus get its size set to 0 */;
+		if (d->disc->session[i]->track != NULL &&
+		    d->disc->session[i]->tracks > 0) {
+			t_idx = d->toc_entries++;
+			memcpy(d->toc_entry + t_idx,
+				d->disc->session[i]->track[
+				       d->disc->session[i]->tracks - 1]->entry,
+				sizeof(struct burn_toc_entry));
+			d->toc_entry[t_idx].point = 0xA2;
+			d->disc->session[i]->leadout_entry =
+							 d->toc_entry + t_idx;
+		} else {
+			burn_disc_remove_session(d->disc, d->disc->session[i]);
+			sprintf(msg,
+				"Empty session %d deleted. Now %d sessions.",
+				i + 1, d->disc->sessions);
+			libdax_msgs_submit(libdax_messenger, d->global_index,
+				0x00020161,
+				LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
+				msg, 0, 0);
+			i--;
+		}
+	}
+
 	/* A80808 */
 	burn_disc_cd_toc_extensions(d->disc, 0);
 

libburn/structure.c

@@ -104,6 +104,30 @@ int burn_disc_add_session(struct burn_disc *d, struct burn_session *s,
 	return 1;
 }
 
+
+/* ts A81202: this function was in the API but not implemented.
+*/
+int burn_disc_remove_session(struct burn_disc *d, struct burn_session *s)
+{
+	int i, skip = 0;
+
+	if (d->session == NULL)
+		return 0;
+	for (i = 0; i < d->sessions; i++) {
+		if (s == d->session[i]) {
+			skip++;
+	continue;
+		}
+		d->session[i - skip] = d->session[i];
+	}
+	if (!skip)
+		return 0;
+	burn_session_free(s);
+	d->sessions--;
+	return 1;
+}
+
+
 struct burn_track *burn_track_create(void)
 {
 	struct burn_track *t;
@@ -531,8 +555,7 @@ int burn_disc_cd_toc_extensions(struct burn_disc *d, int flag)
 {
 	int sidx= 0, tidx= 0;
 	struct burn_toc_entry *entry, *prev_entry= NULL;
-
-	/* ts A81126 : ticket 146 : There is a SIGSEGV in here */
+	/* ts A81126 : ticket 146 : There was a SIGSEGV in here */
 	char msg_data[321], *msg;
 
 	strcpy(msg_data,
@@ -554,8 +577,6 @@ int burn_disc_cd_toc_extensions(struct burn_disc *d, int flag)
 				sidx, d->sessions);
 			goto failure;
 		}
-		/* ts A81126 : ticket 146 :
-				 This is the main suspect for the SIGSEGV */
 		if (d->session[sidx]->leadout_entry == NULL) {
 			sprintf(msg,
 				" Session %d of %d: Leadout entry missing.",