glibc/posix/fpathconf.c

61 lines
1.5 KiB
C

/* Copyright (C) 1991-2014 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 <stddef.h>
#include <unistd.h>
/* Get file-specific information about descriptor FD. */
long int
__fpathconf (fd, name)
int fd;
int name;
{
if (fd < 0)
{
__set_errno (EBADF);
return -1;
}
switch (name)
{
default:
__set_errno (EINVAL);
return -1;
case _PC_LINK_MAX:
case _PC_MAX_CANON:
case _PC_MAX_INPUT:
case _PC_NAME_MAX:
case _PC_PATH_MAX:
case _PC_PIPE_BUF:
case _PC_SOCK_MAXBUF:
case _PC_CHOWN_RESTRICTED:
case _PC_NO_TRUNC:
case _PC_VDISABLE:
break;
}
__set_errno (ENOSYS);
return -1;
}
weak_alias (__fpathconf, fpathconf)
stub_warning (fpathconf)