glibc/io/mkfifoat.c
Joseph Myers 688903eb3e Update copyright dates with scripts/update-copyrights.
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
2018-01-01 00:32:25 +00:00

56 lines
1.4 KiB
C

/* Copyright (C) 1991-2018 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 <fcntl.h>
#include <stddef.h>
#include <sys/stat.h>
#include <sys/types.h>
/* Create a named pipe (FIFO) named PATH relative to FD with
protections MODE. */
int
mkfifoat (int fd, const char *path, mode_t mode)
{
if (path == NULL)
{
__set_errno (EINVAL);
return -1;
}
if (fd != AT_FDCWD && path[0] != '/')
{
/* Check FD is associated with a directory. */
struct stat64 st;
if (__fxstat64 (_STAT_VER, fd, &st) != 0)
return -1;
if (!S_ISDIR (st.st_mode))
{
__set_errno (ENOTDIR);
return -1;
}
}
__set_errno (ENOSYS);
return -1;
}
stub_warning (mkfifoat)