From 3c69b684a876ef929d878c580c3e58bd233603f9 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sun, 4 Oct 2009 15:11:35 +0000
Subject: [PATCH] Fixed CD TAO multi-track -dummy bug reported by Philippe
 Rouquier

---
 cdrskin/cdrskin_timestamp.h |  2 +-
 libburn/libdax_msgs.h       |  1 +
 libburn/write.c             | 24 ++++++++++++++++++++----
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/cdrskin/cdrskin_timestamp.h b/cdrskin/cdrskin_timestamp.h
index 54a2ae7..541c1ca 100644
--- a/cdrskin/cdrskin_timestamp.h
+++ b/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2009.09.22.192802"
+#define Cdrskin_timestamP "2009.10.04.151239"
diff --git a/libburn/libdax_msgs.h b/libburn/libdax_msgs.h
index 1caac4c..127628f 100644
--- a/libburn/libdax_msgs.h
+++ b/libburn/libdax_msgs.h
@@ -550,6 +550,7 @@ Range "scdbackup"          :  0x00020000 to 0x0002ffff
  0x00020170 (NOTE,HIGH)    = Closing open session before writing new one
  0x00020171 (NOTE,HIGH)    = Closing BD-R with accidently open session
  0x00020172 (SORRY,HIGH)   = Read start address larger than number of readable blocks
+ 0x00020173 (FAILURE,HIGH) = Drive tells NWA smaller than last written address
  
 
  libdax_audioxtr:
diff --git a/libburn/write.c b/libburn/write.c
index c8f52c2..cdd4ee6 100644
--- a/libburn/write.c
+++ b/libburn/write.c
@@ -769,8 +769,18 @@ int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
 		libdax_msgs_submit(libdax_messenger, d->global_index, 0x000002,
 				LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
 				msg, 0, 0);
-		if (nwa > d->nwa)
-			d->nwa = nwa;
+
+		/* ts A91003 */
+		if (nwa < d->nwa) {
+			libdax_msgs_submit(libdax_messenger, d->global_index,
+				0x00020173,
+				LIBDAX_MSGS_SEV_FAILURE, LIBDAX_MSGS_PRIO_HIGH,
+			   "Drive tells NWA smaller than last written address",
+				0, 0);
+			d->sync_cache(d);
+			return 0;
+		}
+		d->nwa = nwa;
 
 	}
 
@@ -867,8 +877,14 @@ ex:;
 		d->sync_cache(d);
 
 		/* ts A61030 */
-		if (burn_write_close_track(o, s, tnum) <= 0)
-			ret = 0;
+		/* ts A91003 :
+		   At least in simulation mode this causes NWA=0 for the
+		   next track. cdrecord does not use CLOSE TRACK at all but
+		   ends the tracks by SYNCHRONIZE CACHE alone.
+		*/
+		if (!o->simulate)
+			if (burn_write_close_track(o, s, tnum) <= 0)
+				ret = 0;
 	}
 	return ret;
 }