rgraves
/
freetype2
forked from minhngoc25a/freetype2
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[truetype] Improve error handling of `SHZ' bytecode instruction. 

Problem reported by Chris Evans <scarybeasts@gmail.com>.

* src/truetype/ttinterp.c (Ins_SHZ): Check `last_point'.
This commit is contained in:
Werner Lemberg 2010-10-06 11:52:27 +02:00
parent 94d540ef77
commit 0edf0986f3
2 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ChangeLog
View File

@ -1,3 +1,10 @@
2010-10-06 Werner Lemberg <wl@gnu.org>
[truetype] Improve error handling of `SHZ' bytecode instruction.
Problem reported by Chris Evans <scarybeasts@gmail.com>.
* src/truetype/ttinterp.c (Ins_SHZ): Check `last_point'.
2010-10-05 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #31253.

9
src/truetype/ttinterp.c
View File

@ -5795,7 +5795,16 @@
if ( CUR.GS.gep2 == 0 && CUR.zp2.n_points > 0 )
last_point = (FT_UShort)( CUR.zp2.n_points - 1 );
else if ( CUR.GS.gep2 == 1 && CUR.zp2.n_contours > 0 )
{
last_point = (FT_UShort)( CUR.zp2.contours[CUR.zp2.n_contours - 1] );
if ( BOUNDS( last_point, CUR.zp2.n_points ) )
{
if ( CUR.pedantic_hinting )
CUR.error = TT_Err_Invalid_Reference;
return;
}
}
else
last_point = 0;