Simulator fixes: id3 string pointers can be null.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8282 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 6 insertions, 3 deletions

diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index 5b1a543f2d..f1bb97291a 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -920,9 +920,12 @@ static struct trackdata *add_track_to_tag_list(const char *filename)
     track->mempos = audiobuf_write;
     track->id3.elapsed = 0;
 #ifdef HAVE_LCD_BITMAP
-    lcd_getstringsize(track->id3.title, NULL, NULL);
-    lcd_getstringsize(track->id3.artist, NULL, NULL);
-    lcd_getstringsize(track->id3.album, NULL, NULL);
+    if (track->id3.title)
+        lcd_getstringsize(track->id3.title, NULL, NULL);
+    if (track->id3.artist)
+        lcd_getstringsize(track->id3.artist, NULL, NULL);
+    if (track->id3.album)
+        lcd_getstringsize(track->id3.album, NULL, NULL);
 #endif
 
     track_write_idx = (track_write_idx+1) & MAX_TRACK_ENTRIES_MASK;