[v2 PATCH 1/3] dwrite: Sanitize specified stretch value, valid range is [1, 9]

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---

v2: use introduced variable, thanks Ken.

 dlls/dwrite/opentype.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/dwrite/opentype.c b/dlls/dwrite/opentype.c
index b35f1df..7f4a208 100644
--- a/dlls/dwrite/opentype.c
+++ b/dlls/dwrite/opentype.c
@@ -1291,9 +1291,10 @@ void opentype_get_font_properties(struct file_stream_desc *stream_desc, struct d
         USHORT version = GET_BE_WORD(tt_os2->version);
         USHORT fsSelection = GET_BE_WORD(tt_os2->fsSelection);
         USHORT usWeightClass = GET_BE_WORD(tt_os2->usWeightClass);
+        USHORT usWidthClass = GET_BE_WORD(tt_os2->usWidthClass);
 
-        if (GET_BE_WORD(tt_os2->usWidthClass) <= DWRITE_FONT_STRETCH_ULTRA_EXPANDED)
-            props->stretch = GET_BE_WORD(tt_os2->usWidthClass);
+        if (usWidthClass > DWRITE_FONT_STRETCH_UNDEFINED && usWidthClass <= DWRITE_FONT_STRETCH_ULTRA_EXPANDED)
+            props->stretch = usWidthClass;
 
         if (usWeightClass >= 1 && usWeightClass <= 9)
             usWeightClass *= 100;
-- 
2.8.1