1 | /* Copyright (C) 1991-2024 Free Software Foundation, Inc. |
---|---|
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <stddef.h> |
20 | #include <unistd.h> |
21 | |
22 | |
23 | /* Get file-specific information about descriptor FD. */ |
24 | long int |
25 | __fpathconf (int fd, int name) |
26 | { |
27 | if (fd < 0) |
28 | { |
29 | __set_errno (EBADF); |
30 | return -1; |
31 | } |
32 | |
33 | switch (name) |
34 | { |
35 | default: |
36 | __set_errno (EINVAL); |
37 | return -1; |
38 | |
39 | case _PC_LINK_MAX: |
40 | case _PC_MAX_CANON: |
41 | case _PC_MAX_INPUT: |
42 | case _PC_NAME_MAX: |
43 | case _PC_PATH_MAX: |
44 | case _PC_PIPE_BUF: |
45 | case _PC_SOCK_MAXBUF: |
46 | case _PC_CHOWN_RESTRICTED: |
47 | case _PC_NO_TRUNC: |
48 | case _PC_VDISABLE: |
49 | break; |
50 | } |
51 | |
52 | __set_errno (ENOSYS); |
53 | return -1; |
54 | } |
55 | |
56 | weak_alias (__fpathconf, fpathconf) |
57 | |
58 | stub_warning (fpathconf) |
59 |