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Merge pull request #7539 from Kingcom/virtualdisc

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Don't read past the end of sce_lbn files on virtual discs
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Unknown W. Brackets 2015-03-01 01:57:16 -08:00
commit bb09c2d948
1 changed files with 7 additions and 0 deletions
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7
Core/FileSystems/VirtualDiscFileSystem.cpp
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@ -493,6 +493,13 @@ size_t VirtualDiscFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size, int &u
return size;
}
if (iter->second.type == VFILETYPE_LBN && iter->second.curOffset + size > iter->second.size) {
// Clamp to the remaining size, but read what we can.
const s64 newSize = iter->second.size - iter->second.curOffset;
WARN_LOG(FILESYS, "VirtualDiscFileSystem: Reading beyond end of file, clamping size %lld to %lld", size, newSize);
size = newSize;
}
size_t bytesRead = iter->second.Read(pointer, size);
iter->second.curOffset += bytesRead;
return bytesRead;