protected override Result CreateFileImpl(string path, long size, CreateFileOptions options)
{
path = PathTools.Normalize(path);
if (size == 0)
{
var emptyFileEntry = new SaveFileInfo {
StartBlock = int.MinValue, Length = size
};
FileTable.AddFile(path, ref emptyFileEntry);
return(Result.Success);
}
int blockCount = (int)Util.DivideByRoundUp(size, AllocationTable.Header.BlockSize);
int startBlock = AllocationTable.Allocate(blockCount);
if (startBlock == -1)
{
return(ResultFs.AllocationTableInsufficientFreeBlocks.Log());
}
var fileEntry = new SaveFileInfo {
StartBlock = startBlock, Length = size
};
FileTable.AddFile(path, ref fileEntry);
return(Result.Success);
}
protected override Result DoCreateFile(U8Span path, long size, CreateFileOptions options)
{
FsPath normalizedPath;
unsafe { _ = &normalizedPath; } // workaround for CS0165
Result rc = PathTool.Normalize(normalizedPath.Str, out _, path, false, false);
if (rc.IsFailure())
{
return(rc);
}
if (size == 0)
{
var emptyFileEntry = new SaveFileInfo {
StartBlock = int.MinValue, Length = size
};
FileTable.AddFile(normalizedPath, ref emptyFileEntry);
return(Result.Success);
}
int blockCount = (int)Utilities.DivideByRoundUp(size, AllocationTable.Header.BlockSize);
int startBlock = AllocationTable.Allocate(blockCount);
if (startBlock == -1)
{
return(ResultFs.AllocationTableInsufficientFreeBlocks.Log());
}
var fileEntry = new SaveFileInfo {
StartBlock = startBlock, Length = size
};
FileTable.AddFile(normalizedPath, ref fileEntry);
return(Result.Success);
}
protected override Result DoCreateFile(U8Span path, long size, CreateFileOptions options)
{
Unsafe.SkipInit(out FsPath normalizedPath);
Result rc = PathNormalizer.Normalize(normalizedPath.Str, out _, path, false, false);
if (rc.IsFailure())
{
return(rc);
}
if (size == 0)
{
var emptyFileEntry = new SaveFileInfo {
StartBlock = int.MinValue, Length = size
};
FileTable.AddFile(normalizedPath, ref emptyFileEntry);
return(Result.Success);
}
int blockCount = (int)BitUtil.DivideUp(size, AllocationTable.Header.BlockSize);
int startBlock = AllocationTable.Allocate(blockCount);
if (startBlock == -1)
{
return(ResultFs.AllocationTableFull.Log());
}
var fileEntry = new SaveFileInfo {
StartBlock = startBlock, Length = size
};
FileTable.AddFile(normalizedPath, ref fileEntry);
return(Result.Success);
}