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libreoffice/0001-WaE-assuming-signed-ov...

38 lines
1.2 KiB

From 37a3f9638315483114380a461f60abeab7809a3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
Date: Thu, 18 Jul 2013 09:43:39 +0100
Subject: [PATCH] WaE: assuming signed overflow does not occur when assuming...
that (X + c) < X is always false [-Wstrict-overflow]
Change-Id: I63880bf27ab7e34eb9e0be682b39b80b71d65103
---
basebmp/source/bitmapdevice.cxx | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/basebmp/source/bitmapdevice.cxx b/basebmp/source/bitmapdevice.cxx
index fb08e32..00fc1c2 100644
--- a/basebmp/source/bitmapdevice.cxx
+++ b/basebmp/source/bitmapdevice.cxx
@@ -339,8 +339,15 @@ namespace
{
if( !mpDamage )
return;
- basegfx::B2IPoint aEnd( rDamagePoint.getX() + 1,
- rDamagePoint.getY() + 1 );
+
+ sal_Int32 nX(rDamagePoint.getX());
+ sal_Int32 nY(rDamagePoint.getY());
+ if (nX < SAL_MAX_INT32)
+ ++nX;
+ if (nY < SAL_MAX_INT32)
+ ++nY;
+
+ basegfx::B2IPoint aEnd( nX, nY );
damaged( basegfx::B2IBox( rDamagePoint, aEnd ) );
}
--
1.8.3.1