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

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This commit is contained in:
Paul Chote
2013-12-02 17:52:03 +13:00
parent 3d47fd503d
commit b6cce50ccc
1 changed files with 4 additions and 0 deletions
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4
OpenRA.FileFormats/Graphics/ShpReader.cs
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@@ -108,6 +108,10 @@ namespace OpenRA.FileFormats
void Decompress(Stream stream, ImageHeader h) 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) if (recurseDepth > imageCount)
throw new InvalidDataException("Format20/40 headers contain infinite loop"); throw new InvalidDataException("Format20/40 headers contain infinite loop");