[truetype] Fix memory leak.
Problem reported by Grissiom <chaos.proton@gmail.com>; in
http://lists.nongnu.org/archive/html/freetype/2015-05/msg00013.html
there is an example code to trigger the bug.
* src/truetype/ttobjs.c (tt_size_init_bytecode): Free old `size'
data before allocating again. Bug most probably introduced four
years ago in version 2.4.3.
diff --git a/ChangeLog b/ChangeLog
index c6c03f3..e246a42 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,18 @@
-2015-06-01 Werner Lemberg <wl@gnu.org>
+2015-06-03 Werner Lemberg <wl@gnu.org>
+
+ [truetype] Fix memory leak.
+
+ Problem reported by Grissiom <chaos.proton@gmail.com>; in
+
+ http://lists.nongnu.org/archive/html/freetype/2015-05/msg00013.html
+
+ there is an example code to trigger the bug.
+
+ * src/truetype/ttobjs.c (tt_size_init_bytecode): Free old `size'
+ data before allocating again. Bug most probably introduced four
+ years ago in version 2.4.3.
+
+2015-06-02 Werner Lemberg <wl@gnu.org>
[raster] Add more tracing.
diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c
index aefabef..202aa04 100644
--- a/src/truetype/ttobjs.c
+++ b/src/truetype/ttobjs.c
@@ -954,6 +954,16 @@
TT_MaxProfile* maxp = &face->max_profile;
+ /* clean up bytecode related data */
+ FT_FREE( size->function_defs );
+ FT_FREE( size->instruction_defs );
+ FT_FREE( size->cvt );
+ FT_FREE( size->storage );
+
+ if ( size->context )
+ TT_Done_Context( size->context );
+ tt_glyphzone_done( &size->twilight );
+
size->bytecode_ready = -1;
size->cvt_ready = -1;
