mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-31 22:10:34 +03:00
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/* openat -- Open a file named relative to an open directory. Hurd version.
|
|
Copyright (C) 2006-2012 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 <stdarg.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <hurd.h>
|
|
#include <hurd/fd.h>
|
|
|
|
/* Open FILE with access OFLAG. Interpret relative paths relative to
|
|
the directory associated with FD. If OFLAG includes O_CREAT, a
|
|
third argument is the file protection. */
|
|
int
|
|
__openat (fd, file, oflag)
|
|
int fd;
|
|
const char *file;
|
|
int oflag;
|
|
{
|
|
mode_t mode;
|
|
io_t port;
|
|
|
|
if (oflag & O_CREAT)
|
|
{
|
|
va_list arg;
|
|
va_start (arg, oflag);
|
|
mode = va_arg (arg, mode_t);
|
|
va_end (arg);
|
|
}
|
|
else
|
|
mode = 0;
|
|
|
|
port = __file_name_lookup_at (fd, 0, file, oflag, mode);
|
|
if (port == MACH_PORT_NULL)
|
|
return -1;
|
|
|
|
return _hurd_intern_fd (port, oflag, 1);
|
|
}
|
|
libc_hidden_def (__openat)
|
|
weak_alias (__openat, openat)
|
|
|
|
int
|
|
__openat_2 (fd, file, oflag)
|
|
int fd;
|
|
const char *file;
|
|
int oflag;
|
|
{
|
|
if (oflag & O_CREAT)
|
|
__fortify_fail ("invalid openat call: O_CREAT without mode");
|
|
|
|
return __openat (fd, file, oflag);
|
|
}
|
|
|
|
/* openat64 is just the same as openat for us. */
|
|
weak_alias (__openat, __openat64)
|
|
libc_hidden_weak (__openat64)
|
|
weak_alias (__openat, openat64)
|
|
strong_alias (__openat_2, __openat64_2)
|