Fix crash when loading 0x0 shps. Fixes #4192.

2013-12-02 17:52:03 +13:00
parent 3d47fd503d
commit b6cce50ccc
1 changed files with 4 additions and 0 deletions
--- a/OpenRA.FileFormats/Graphics/ShpReader.cs
+++ b/OpenRA.FileFormats/Graphics/ShpReader.cs
@@ -108,6 +108,10 @@ namespace OpenRA.FileFormats

 		void Decompress(Stream stream, ImageHeader h)
 		{
+			// No extra work is required for empty frames
+			if (h.Size.Width == 0 || h.Size.Height == 0)
+				return;
+
 			if (recurseDepth > imageCount)
 				throw new InvalidDataException("Format20/40 headers contain infinite loop");