1/* Copyright (C) 1991-2022 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. */
24long 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
56weak_alias (__fpathconf, fpathconf)
57
58stub_warning (fpathconf)
59

source code of glibc/posix/fpathconf.c