public static int readdir_r (IntPtr dirp, Dirent entry, out IntPtr result)
{
entry.d_ino = 0;
entry.d_off = 0;
entry.d_reclen = 0;
entry.d_type = 0;
entry.d_name = null;
_Dirent _d;
int r = sys_readdir_r (dirp, out _d, out result);
if (r == 0 && result != IntPtr.Zero) {
CopyDirent (entry, ref _d);
}
return r;
}
public static Dirent readdir (IntPtr dir)
{
_Dirent dentry;
int r = sys_readdir (dir, out dentry);
if (r != 0)
return null;
Dirent d = new Dirent ();
CopyDirent (d, ref dentry);
return d;
}
private UnixFileSystemInfo[] GetFileSystemEntries (Dirent[] dentries)
{
UnixFileSystemInfo[] entries = new UnixFileSystemInfo[dentries.Length];
for (int i = 0; i != entries.Length; ++i)
entries [i] = UnixFileSystemInfo.Create (dentries[i].d_name);
return entries;
}
private static void CopyDirent (Dirent to, ref _Dirent from)
{
try {
to.d_ino = from.d_ino;
to.d_off = from.d_off;
to.d_reclen = from.d_reclen;
to.d_type = from.d_type;
to.d_name = UnixMarshal.PtrToString (from.d_name);
}
finally {
Stdlib.free (from.d_name);
from.d_name = IntPtr.Zero;
}
}
private static Dirent[] GetEntries (IntPtr dirp, Regex regex)
{
ArrayList entries = new ArrayList ();
int r;
IntPtr result;
do {
Dirent d = new Dirent ();
r = Syscall.readdir_r (dirp, d, out result);
if (r == 0 && result != IntPtr.Zero && regex.Match (d.d_name).Success) {
// don't include current & parent dirs
if (d.d_name != "." && d.d_name != "..")
entries.Add (d);
}
} while (r == 0 && result != IntPtr.Zero);
if (r != 0)
UnixMarshal.ThrowExceptionForLastError ();
return (Dirent[]) entries.ToArray (typeof(Dirent));
}
