| 1 | /* Determine whether descriptor has given property. |
|---|---|
| 2 | Copyright (C) 1996-2024 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 | <https://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 | |
| 24 | int |
| 25 | isfdtype (int fildes, int fdtype) |
| 26 | { |
| 27 | struct __stat64_t64 st; |
| 28 | int result; |
| 29 | |
| 30 | { |
| 31 | int save_error = errno; |
| 32 | result = __fstat64_time64 (fildes, &st); |
| 33 | __set_errno (save_error); |
| 34 | } |
| 35 | |
| 36 | return result ?: (st.st_mode & S_IFMT) == (mode_t) fdtype; |
| 37 | } |
| 38 |