safely handle zero-sized XMB files ensuing from a crash while loading
fixes #662 This was SVN commit r8545.
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@ -194,6 +194,11 @@ bool CXeromyces::ReadXMBFile(const PIVFS& vfs, const VfsPath& filename)
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size_t size;
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if(vfs->LoadFile(filename, m_XMBBuffer, size) < 0)
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return false;
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// if the game crashes during loading, (e.g. due to driver bugs),
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// it sometimes leaves empty XMB files in the cache.
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// reporting failure will cause our caller to re-generate the XMB.
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if(size == 0)
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return false;
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debug_assert(size >= 4); // make sure it's at least got the initial header
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// Set up the XMBFile
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