From 707d6153f792fbf6da79712ba4f7af51d3eace34 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Fri, 15 Oct 2010 19:17:37 +0000
Subject: [PATCH] Issue warning after writing a BD-R with more than 300
 sessions

---
 cdrskin/cdrskin_timestamp.h |  2 +-
 libburn/libdax_msgs.h       |  2 +-
 libburn/write.c             | 12 +++++++++---
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/cdrskin/cdrskin_timestamp.h b/cdrskin/cdrskin_timestamp.h
index 707fa8a..7b14c9d 100644
--- a/cdrskin/cdrskin_timestamp.h
+++ b/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2010.09.28.101043"
+#define Cdrskin_timestamP "2010.10.15.191717"
diff --git a/libburn/libdax_msgs.h b/libburn/libdax_msgs.h
index e34b1fd..18a5002 100644
--- a/libburn/libdax_msgs.h
+++ b/libburn/libdax_msgs.h
@@ -560,7 +560,7 @@ Range "scdbackup"          :  0x00020000 to 0x0002ffff
  0x00020178 (DEBUG,HIGH)   = Write thread ended
  0x00020179 (FAILURE,HIGH) = Offset source start address is before end of previous source
  0x0002017a (FAILURE,HIGH) = Expected offset source object as parameter
- 
+ 0x0002017b (WARNING,HIGH) = Sequential BD-R media likely to soon fail writing
 
  libdax_audioxtr:
  0x00020200 (SORRY,HIGH)   = Cannot open audio source file
diff --git a/libburn/write.c b/libburn/write.c
index 778b7e5..f953ac3 100644
--- a/libburn/write.c
+++ b/libburn/write.c
@@ -385,9 +385,9 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
  		runtime = nwa-150;
 #endif
 
-	sheet = malloc(sizeof(struct cue_sheet));
+	sheet = calloc(1, sizeof(struct cue_sheet));
 
-	/* ts A61009 : react on failures of malloc(), add_cue_sheet()
+	/* ts A61009 : react on failures of calloc(), add_cue_sheet()
 	               type_to_form() */
 	if (sheet == NULL) {
 		libdax_msgs_submit(libdax_messenger, -1, 0x00020111,
@@ -2006,7 +2006,13 @@ ex:;
 	burn_drive_mark_unready(d);
 	burn_drive_inquire_media(d);
 
-	/* <<< d->busy = BURN_DRIVE_IDLE; */
+	if (d->current_profile == 0x41 && d->complete_sessions >= 300) {
+		sprintf(msg, "Sequential BD-R media now contains %d sessions. It is likely to soon fail writing.", d->complete_sessions);
+		libdax_msgs_submit(libdax_messenger, d->global_index,
+				0x0002017b, LIBDAX_MSGS_SEV_WARNING,
+				LIBDAX_MSGS_PRIO_ZERO, msg, 0, 0);
+	}
+
 	return ret;
 early_failure:;
 	return 0;