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// Copyright 2011-2022, Molecular Matters GmbH <[email protected]>
// See LICENSE.txt for licensing details (2-clause BSD License: https://opensource.org/licenses/BSD-2-Clause)
#include "PDB_PCH.h"
#include "PDB.h"
#include "PDB_Types.h"
#include "PDB_Util.h"
#include "PDB_RawFile.h"
#include "Foundation/PDB_PointerUtil.h"
#include "Foundation/PDB_CRT.h"
// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
PDB_NO_DISCARD PDB::ErrorCode PDB::ValidateFile(const void* data, size_t size) PDB_NO_EXCEPT
{
// validate whether there is enough size for the super block
if (size < sizeof(SuperBlock))
{
return ErrorCode::InvalidDataSize;
}
// validate the super block
const SuperBlock* superBlock = Pointer::Offset<const SuperBlock*>(data, 0u);
{
// validate header magic
if (memcmp(superBlock->fileMagic, SuperBlock::MAGIC, sizeof(SuperBlock::MAGIC)) != 0)
{
return ErrorCode::InvalidSuperBlock;
}
// validate whether enough size is provided for the PDB file
// blockCount * blockSize is the size of the PDB file on disk
if (size < superBlock->blockCount * superBlock->blockSize)
{
return ErrorCode::InvalidDataSize;
}
// validate free block map.
// the free block map should always reside at either index 1 or 2.
if (superBlock->freeBlockMapIndex != 1u && superBlock->freeBlockMapIndex != 2u)
{
return ErrorCode::InvalidFreeBlockMap;
}
}
return ErrorCode::Success;
}
// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
PDB_NO_DISCARD PDB::RawFile PDB::CreateRawFile(const void* data) PDB_NO_EXCEPT
{
return RawFile(data);
}
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