glibc/io/open.c

72 lines
1.7 KiB
C

/* Open a file by name. Stub version.
Copyright (C) 1991-2012 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>
extern char **__libc_argv attribute_hidden;
/* Open FILE with access OFLAG. If OFLAG includes O_CREAT,
a third argument is the file protection. */
int
__libc_open (file, oflag)
const char *file;
int oflag;
{
int mode;
if (file == NULL)
{
__set_errno (EINVAL);
return -1;
}
if (oflag & O_CREAT)
{
va_list arg;
va_start(arg, oflag);
mode = va_arg(arg, int);
va_end(arg);
}
__set_errno (ENOSYS);
return -1;
}
libc_hidden_def (__libc_open)
weak_alias (__libc_open, __open)
libc_hidden_weak (__open)
weak_alias (__libc_open, open)
stub_warning (open)
int
__open_2 (file, oflag)
const char *file;
int oflag;
{
if (oflag & O_CREAT)
__fortify_fail ("invalid open call: O_CREAT without mode");
return __open (file, oflag);
}
stub_warning (__open_2)