[truetype] Adjust number of glyphs for malformed `loca' tables.

* src/truetype/ttpload.c (tt_face_load_loca): Implement it.
9 years ago · 8651f37ad5
parent 52aad9dfc6
commit 8651f37ad5
2 changed files with 14 additions and 0 deletions
--- a/6
+++ b/6
@ -1,3 +1,9 @@
+2015-09-30  Werner Lemberg  <wl@gnu.org>
+
+	[truetype] Adjust number of glyphs for malformed `loca' tables.
+
+	* src/truetype/ttpload.c (tt_face_load_loca): Implement it.
+
 2015-09-29  Werner Lemberg  <wl@gnu.org>

 	[pshinter] Avoid harmless overflow (#45984).
--- a/src/truetype/ttpload.c
+++ b/src/truetype/ttpload.c
@ -152,6 +152,14 @@
          FT_TRACE2(( "adjusting num_locations to %d\n",
                      face->num_locations ));
        }
+        else
+        {
+          face->root.num_glyphs = face->num_locations
+                                    ? (FT_Long)face->num_locations - 1 : 0;
+
+          FT_TRACE2(( "adjusting num_glyphs to %d\n",
+                      face->root.num_glyphs ));
+        }
      }
    }