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[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.
This commit is contained in:
Werner Lemberg 2015-06-03 00:54:09 +02:00
parent d1ade6d11a
commit 75534a0432
2 changed files with 25 additions and 1 deletions
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16
ChangeLog
View File

@ -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.

10
src/truetype/ttobjs.c
View File

@ -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;