ref: e69f34b1e2023f66201b557a35fc48d81fb6a874
parent: a3b70d76bae970799f700d295cdf61bd954353a9
author: Werner Lemberg <[email protected]>
date: Tue Jul 19 03:06:19 EDT 2016
[truetype] Sanitizer fix. * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array to fix nested loops.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2016-07-19 Werner Lemberg <[email protected]>
+
+ [truetype] Sanitizer fix.
+
+ * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array
+ to fix nested loops.
+
2016-07-18 Werner Lemberg <[email protected]>
[truetype] Make GETDATA work only for GX fonts.
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -158,13 +158,16 @@
return NULL;
}
- if ( FT_NEW_ARRAY( points, n ) )
+ /* in the nested loops below we increase `i' twice; */
+ /* it is faster to simply allocate one more slot */
+ /* than to add another test within the loop */
+ if ( FT_NEW_ARRAY( points, n + 1 ) )
return NULL;
*point_cnt = n;
first = 0;
- i = 0;
+ i = 0;
while ( i < n )
{
runcnt = FT_GET_BYTE();