mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 15:00:06 +00:00
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* Copyright (C) 2005-2017 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 <string.h>
|
|
#include <sys/stat.h>
|
|
#include <sysdep-cancel.h>
|
|
#include <not-cancel.h>
|
|
|
|
|
|
#ifndef OPENAT
|
|
# define OPENAT openat
|
|
#endif
|
|
|
|
#define UNDERIZE(name) UNDERIZE_1 (name)
|
|
#define UNDERIZE_1(name) __##name
|
|
#define __OPENAT UNDERIZE (OPENAT)
|
|
|
|
|
|
/* Open FILE with access OFLAG. Interpret relative paths relative to
|
|
the directory associated with FD. If OFLAG includes O_CREAT or
|
|
O_TMPFILE, a fourth argument is the file protection. */
|
|
int
|
|
__OPENAT (int fd, const char *file, int oflag, ...)
|
|
{
|
|
mode_t mode = 0;
|
|
if (__OPEN_NEEDS_MODE (oflag))
|
|
{
|
|
va_list arg;
|
|
va_start (arg, oflag);
|
|
mode = va_arg (arg, mode_t);
|
|
va_end (arg);
|
|
}
|
|
|
|
/* We have to add the O_LARGEFILE flag for openat64. */
|
|
#ifdef MORE_OFLAGS
|
|
oflag |= MORE_OFLAGS;
|
|
#endif
|
|
|
|
return SYSCALL_CANCEL (openat, fd, file, oflag, mode);
|
|
}
|
|
libc_hidden_def (__OPENAT)
|
|
weak_alias (__OPENAT, OPENAT)
|