public UnixDriveInfo (string mountPoint)
{
if (mountPoint == null)
throw new ArgumentNullException ("mountPoint");
fstab = Syscall.getfsfile (mountPoint);
if (fstab == null)
throw new ArgumentException ("mountPoint isn't valid: " + mountPoint);
// throws ArgumentException if driveName isn't valid
// though .NET also has a DriveNotFoundException class, so maybe that's
// more appropriate?
}
public static Fstab getfsspec (string special_file)
{
_Fstab fsbuf;
int r;
lock (fstab_lock) {
r = sys_getfsspec (special_file, out fsbuf);
}
if (r != 0)
return null;
Fstab fs = new Fstab ();
CopyFstab (fs, ref fsbuf);
return fs;
}
public static Fstab getfsfile (string mount_point)
{
_Fstab fsbuf;
int r;
lock (fstab_lock) {
r = sys_getfsfile (mount_point, out fsbuf);
}
if (r != 0)
return null;
Fstab fs = new Fstab ();
CopyFstab (fs, ref fsbuf);
return fs;
}
public static Fstab getfsent ()
{
_Fstab fsbuf;
int r;
lock (fstab_lock) {
r = sys_getfsent (out fsbuf);
}
if (r != 0)
return null;
Fstab fs = new Fstab ();
CopyFstab (fs, ref fsbuf);
return fs;
}
private static void CopyFstab (Fstab to, ref _Fstab from)
{
try {
to.fs_spec = UnixMarshal.PtrToString (from.fs_spec);
to.fs_file = UnixMarshal.PtrToString (from.fs_file);
to.fs_vfstype = UnixMarshal.PtrToString (from.fs_vfstype);
to.fs_mntops = UnixMarshal.PtrToString (from.fs_mntops);
to.fs_type = UnixMarshal.PtrToString (from.fs_type);
to.fs_freq = from.fs_freq;
to.fs_passno = from.fs_passno;
}
finally {
Stdlib.free (from._fs_buf_);
from._fs_buf_ = IntPtr.Zero;
}
}
private UnixDriveInfo (Fstab fstab)
{
this.fstab = fstab;
}