[PATCH 1/2] dwrite: Fix invalid cluster metrics array index access
Nikolay Sivov
nsivov at codeweavers.com
Wed Jan 27 05:52:15 CST 2016
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/dwrite/layout.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/dwrite/layout.c b/dlls/dwrite/layout.c
index 0300166..f06f18c 100644
--- a/dlls/dwrite/layout.c
+++ b/dlls/dwrite/layout.c
@@ -3264,7 +3264,7 @@ static HRESULT WINAPI dwritetextlayout_DetermineMinWidth(IDWriteTextLayout2 *ifa
/* Ignore trailing whitespace clusters, in case of single space range will
be reduced to empty range, or [start,start+1). */
- while ((end - 1) >= start && This->clustermetrics[end-1].isWhitespace)
+ while (end && (end - 1) >= start && This->clustermetrics[end-1].isWhitespace)
end--;
/* check if cluster range exceeds last minimal width */
--
2.7.0.rc3
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