public int Read(FileInfo info, string name, ref Span <byte> data)
{
using Kernel32.SafeHFILE handle =
Kernel32.CreateFile($"{info.FullName}:tsuku.{name}",
Kernel32.FileAccess.FILE_GENERIC_READ,
FileShare.Read, null, FileMode.Open,
FileFlagsAndAttributes.FILE_ATTRIBUTE_NORMAL);
if (handle == HFILE.INVALID_HANDLE_VALUE)
{
Kernel32.GetLastError().ThrowIfFailed();
}
int maxRead = Math.Min(data.Length, Tsuku.MAX_ATTR_SIZE);
// Kernel32.SafeHFILE should close after on dispose.
using var stream = new FileStream(new SafeFileHandle(handle.DangerousGetHandle(), false), FileAccess.Read);
return(stream.Read(data[..maxRead]));
public void Write(FileInfo info, string name, ReadOnlySpan <byte> data)
{
using Kernel32.SafeHFILE handle =
Kernel32.CreateFile($"{info.FullName}:tsuku.{name}",
Kernel32.FileAccess.FILE_GENERIC_WRITE,
FileShare.Write, null, FileMode.OpenOrCreate,
FileFlagsAndAttributes.FILE_ATTRIBUTE_NORMAL);
if (handle == HFILE.INVALID_HANDLE_VALUE)
{
Kernel32.GetLastError().ThrowIfFailed();
}
// Kernel32.SafeHFILE should close after on dispose.
using var stream = new FileStream(new SafeFileHandle(handle.DangerousGetHandle(), false),
FileAccess.ReadWrite);
stream.Write(data);
stream.Flush();
}
