Bug 720379 - SIGFPE in pango_layout_iter_get_char_extents()

Untested.

1 files changed, 9 insertions, 2 deletions

diff --git a/pango/pango-layout.c b/pango/pango-layout.c
index a024d11b..607a5f0e 100644
--- a/pango/pango-layout.c
+++ b/pango/pango-layout.c
@@ -6178,8 +6178,15 @@ pango_layout_iter_get_char_extents (PangoLayoutIter *iter,
       return;
     }
 
-  x0 = (iter->character_position * cluster_rect.width) / iter->cluster_num_chars;
-  x1 = ((iter->character_position + 1) * cluster_rect.width) / iter->cluster_num_chars;
+  if (iter->cluster_num_chars)
+  {
+    x0 = (iter->character_position * cluster_rect.width) / iter->cluster_num_chars;
+    x1 = ((iter->character_position + 1) * cluster_rect.width) / iter->cluster_num_chars;
+  }
+  else
+  {
+    x0 = x1 = 0;
+  }
 
   logical_rect->width = x1 - x0;
   logical_rect->height = cluster_rect.height;