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===================================================================
RCS file: /GraphicsMagick/GraphicsMagick/coders/xwd.c,v
retrieving revision 1.88
retrieving revision 1.88.2.1
diff -u -p -r1.88 -r1.88.2.1
--- GraphicsMagick/coders/xwd.c 2004/02/17 03:41:53 1.88
+++ GraphicsMagick/coders/xwd.c 2005/05/16 18:51:04 1.88.2.1
@@ -325,21 +325,21 @@ static Image *ReadXWDImage(const ImageIn
*/
red_mask=ximage->red_mask;
red_shift=0;
- while ((red_mask & 0x01) == 0)
+ while ((red_mask != 0) && ((red_mask & 0x01) == 0))
{
red_mask>>=1;
red_shift++;
}
green_mask=ximage->green_mask;
green_shift=0;
- while ((green_mask & 0x01) == 0)
+ while ((green_mask != 0) && ((green_mask & 0x01) == 0))
{
green_mask>>=1;
green_shift++;
}
blue_mask=ximage->blue_mask;
blue_shift=0;
- while ((blue_mask & 0x01) == 0)
+ while ((blue_mask != 0) && ((blue_mask & 0x01) == 0))
{
blue_mask>>=1;
blue_shift++;
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