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[freetype2] master e69f34b: [truetype] Sanitizer fix.
From: |
Werner LEMBERG |
Subject: |
[freetype2] master e69f34b: [truetype] Sanitizer fix. |
Date: |
Tue, 19 Jul 2016 05:07:14 +0000 (UTC) |
branch: master
commit e69f34b1e2023f66201b557a35fc48d81fb6a874
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
[truetype] Sanitizer fix.
* src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array
to fix nested loops.
---
ChangeLog | 7 +++++++
src/truetype/ttgxvar.c | 7 +++++--
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index fc1ae90..ba6c185 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2016-07-19 Werner Lemberg <address@hidden>
+
+ [truetype] Sanitizer fix.
+
+ * src/truetype/ttgxvar.c (ft_var_readpackedpoints): Increase array
+ to fix nested loops.
+
2016-07-18 Werner Lemberg <address@hidden>
[truetype] Make GETDATA work only for GX fonts.
diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 7c85d62..3715796 100644
--- 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();
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