| /* Determine whether descriptor has given property. |
| Copyright (C) 1996-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <sys/stat.h> |
| #include <sys/socket.h> |
| #include <sys/types.h> |
| |
| int |
| isfdtype (int fildes, int fdtype) |
| { |
| struct stat64 st; |
| int result; |
| |
| { |
| int save_error = errno; |
| result = fstat64 (fildes, &st); |
| __set_errno (save_error); |
| } |
| |
| return result ?: (st.st_mode & S_IFMT) == (mode_t) fdtype; |
| } |