1 /* Determine whether descriptor has given property.
2 Copyright (C) 1996-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
21 #include <sys/socket.h>
22 #include <sys/types.h>
25 isfdtype (int fildes
, int fdtype
)
31 int save_error
= errno
;
32 result
= fstat64 (fildes
, &st
);
33 __set_errno (save_error
);
36 return result
?: (st
.st_mode
& S_IFMT
) == (mode_t
) fdtype
;