1/* Determine whether descriptor has given property.
2 Copyright (C) 1996-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19#include <errno.h>
20#include <sys/stat.h>
21#include <sys/socket.h>
22#include <sys/types.h>
23
24int
25isfdtype (int fildes, int fdtype)
26{
27 struct stat64 st;
28 int result;
29
30 {
31 int save_error = errno;
32 result = fstat64 (fildes, &st);
33 __set_errno (save_error);
34 }
35
36 return result ?: (st.st_mode & S_IFMT) == (mode_t) fdtype;
37}
38