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safely handle zero-sized XMB files ensuing from a crash while loading

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fixes #662

This was SVN commit r8545.
This commit is contained in:
janwas 2010-11-07 16:14:13 +00:00
parent 644b9aedea
commit a13836bd68
1 changed files with 5 additions and 0 deletions
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5
source/ps/XML/Xeromyces.cpp
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@ -194,6 +194,11 @@ bool CXeromyces::ReadXMBFile(const PIVFS& vfs, const VfsPath& filename)
size_t size;
if(vfs->LoadFile(filename, m_XMBBuffer, size) < 0)
return false;
// if the game crashes during loading, (e.g. due to driver bugs),
// it sometimes leaves empty XMB files in the cache.
// reporting failure will cause our caller to re-generate the XMB.
if(size == 0)
return false;
debug_assert(size >= 4); // make sure it's at least got the initial header
// Set up the XMBFile