fix bogus copy in Blast.cs

Mailaender · May 4, 2011 · 8aa206e · 8aa206e
1 parent 068ee33
commit 8aa206e
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/OpenRA.FileFormats/FileFormats/Blast.cs b/OpenRA.FileFormats/FileFormats/Blast.cs
@@ -123,7 +123,12 @@ public static byte[] Decompress(byte[] src)
 
 						len -= copy;
 						next += (ushort)copy;
-						Array.Copy(outBuffer, source, outBuffer, dest, copy);
+
+						// copy with old-fashioned memcpy semantics
+						// in case of overlapping ranges. this is NOT
+						// the same as Array.Copy()
+						while( copy-- > 0 )
+							outBuffer[dest++] = outBuffer[source++];
 
 						// Flush window to outstream
 						if (next == MAXWIN)