tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/openat.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 <kernel-features.h>

/* Some mostly-generic code (e.g. sysdeps/posix/getcwd.c) uses this variable
   if __ASSUME_ATFCTS is not defined.  */
#ifndef __ASSUME_ATFCTS
int __have_atfcts;
#endif

/* 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;
{
  int mode = 0;

  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);
    }

	return ros_syscall(SYS_openat, fd, file, strlen(file), oflag, mode, 0);
}
libc_hidden_def (__openat)
weak_alias (__openat, openat)

/* openat64 is the same as openat for akaros */
weak_alias (__openat, __openat64)
libc_hidden_weak (__openat64)
weak_alias (__openat, openat64)