mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 19:30:10 +00:00
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* Copyright (C) 2005-2014 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 <fcntl.h>
|
|
#include <stdarg.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <libc-internal.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
|
|
__openat64 (int fd, const char *file, int oflag, ...)
|
|
{
|
|
int mode;
|
|
|
|
if (file == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
if (fd != AT_FDCWD && file[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;
|
|
}
|
|
}
|
|
|
|
if (oflag & O_CREAT)
|
|
{
|
|
va_list arg;
|
|
va_start (arg, oflag);
|
|
mode = va_arg (arg, int);
|
|
va_end (arg);
|
|
|
|
ignore_value (mode);
|
|
}
|
|
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
}
|
|
libc_hidden_def (__openat64)
|
|
weak_alias (__openat64, openat64)
|
|
stub_warning (openat64)
|
|
|
|
/* __openat64_2 is a generic wrapper that calls __openat64.
|
|
So give a stub warning for that symbol too. */
|
|
stub_warning (__openat_2)
|