usp10: Filter out DeltaFormat == 0 too, valid range is [1, 3].

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Aric Stewart <aric@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

usp10: Filter out DeltaFormat == 0 too, valid range is [1, 3].
892393bb · Nikolay Sivov · Alexandre Julliard · 66dce1e7 · 892393bb
Commit 892393bb authored Feb 22, 2017 by Nikolay Sivov Committed by Alexandre Julliard Feb 27, 2017
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opentype.c dlls/usp10/opentype.c +1 -1

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--- a/dlls/usp10/opentype.c
+++ b/dlls/usp10/opentype.c
@@ -1512,7 +1512,7 @@ static INT GPOS_get_device_table_value(const OT_DeviceTable *DeviceTable, WORD p

        TRACE("device table, format %#x, index %i\n", format, index);

-        if (format & ~0x3)
+        if (format < 1 || format > 3)
        {
            WARN("invalid delta format %#x\n", format);
            return 0;