Aric Stewart : usp10: Check bounds before checking value in array.

Alexandre Julliard julliard at winehq.org
Fri May 25 10:52:49 CDT 2012


Module: wine
Branch: master
Commit: 1f4554d141774e948a29731db72ce5758ddad2f5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=1f4554d141774e948a29731db72ce5758ddad2f5

Author: Aric Stewart <aric at codeweavers.com>
Date:   Fri May 25 07:55:19 2012 -0500

usp10: Check bounds before checking value in array.

---

 dlls/usp10/shape.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index a039504..d582fc7 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -628,9 +628,9 @@ static void UpdateClustersFromGlyphProp(const int cGlyphs, const int cChars, WOR
                 if (pwLogClust[j] == i)
                 {
                     int k = j;
-                    while (!pGlyphProp[pwLogClust[k]].sva.fClusterStart && k >= 0 && k <cChars)
+                    while (k >= 0 && k <cChars && !pGlyphProp[pwLogClust[k]].sva.fClusterStart)
                         k-=1;
-                    if (pGlyphProp[pwLogClust[k]].sva.fClusterStart)
+                    if (k >= 0 && k <cChars && pGlyphProp[pwLogClust[k]].sva.fClusterStart)
                         pwLogClust[j] = pwLogClust[k];
                 }
             }




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