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Filesystem: Better validity checking

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Now that the FST in read in the constructor, m_Valid
can be set to false when there are errors in the FST.
This commit is contained in:
JosJuice 2015-07-31 13:56:29 +02:00
parent afe2bc60f6
commit 1262f08ac1
1 changed files with 4 additions and 8 deletions
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12
Source/Core/DiscIO/FileSystemGCWii.cpp
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@ -64,17 +64,10 @@ FileSystemGCWii::FileSystemGCWii(const Volume* _rVolume, const Partition& partit
{
// Check if this is a GameCube or Wii disc
if (m_rVolume->ReadSwapped<u32>(0x18, m_partition) == u32(0x5D1C9EA3))
{
m_offset_shift = 2; // Wii file system
m_Valid = true;
}
else if (m_rVolume->ReadSwapped<u32>(0x1c, m_partition) == u32(0xC2339F3D))
{
m_offset_shift = 0; // GameCube file system
m_Valid = true;
}
if (!m_Valid)
else
return;
const std::optional<u32> fst_offset_unshifted = m_rVolume->ReadSwapped<u32>(0x424, m_partition);
@ -112,6 +105,9 @@ FileSystemGCWii::FileSystemGCWii(const Volume* _rVolume, const Partition& partit
return;
for (u32 i = 0; i < number_of_file_infos; i++)
m_FileInfoVector.emplace_back(m_offset_shift, fst_start + (i * 0xC), name_table_start);
// If we haven't returned yet, everything succeeded
m_Valid = true;
}
FileSystemGCWii::~FileSystemGCWii()