[cairo-commit] libpixman/src ic.c,1.16,1.17

[Carl Worth]

Committed by: cworth

Update of /cvs/cairo/libpixman/src
In directory gabe:/tmp/cvs-serv22144/src

Modified Files:
	ic.c 
Log Message:

        * src/ic.c (pixman_composite): Do nothing if src image has width
        or height == 0 to avoid potential divide-by-zero.


Index: ic.c
===================================================================
RCS file: /cvs/cairo/libpixman/src/ic.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -d -r1.16 -r1.17
--- ic.c	27 Oct 2004 14:26:36 -0000	1.16
+++ ic.c	4 Jan 2005 19:55:36 -0000	1.17
@@ -882,6 +882,12 @@
     int	    dstAlphaMap = iDst->alphaMap != 0;
     int		    x_msk, y_msk, x_src, y_src, x_dst, y_dst;
     int		    w, h, w_this, h_this;
+
+    if (iSrc->pixels->width == 0 ||
+	iSrc->pixels->height == 0)
+    {
+	return;
+    }
     
     xDst += iDst->pixels->x;
     yDst += iDst->pixels->y;