[Scummvm-cvs-logs] CVS: scummvm/scumm charset.cpp,2.110,2.111

[Max Horn]

Update of /cvsroot/scummvm/scummvm/scumm
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv20780

Modified Files:
	charset.cpp 
Log Message:
Check for negative width/height

Index: charset.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/scumm/charset.cpp,v
retrieving revision 2.110
retrieving revision 2.111
diff -u -d -r2.110 -r2.111
--- charset.cpp	27 Sep 2004 20:42:10 -0000	2.110
+++ charset.cpp	29 Sep 2004 00:04:38 -0000	2.111
@@ -1343,11 +1343,13 @@
 		}
 		
 		// Blit the image data
-		do {
-			memcpy(back, dst, w);
-			back += backSurface.pitch;
-			dst += dstSurface.pitch;
-		} while (--h);
+		if (w > 0) {
+			while (h-- > 0) {
+				memcpy(back, dst, w);
+				back += backSurface.pitch;
+				dst += dstSurface.pitch;
+			}
+		}
 	}
 	
 	_left += origWidth;