io/open.c

   1 /* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <errno.h>
  20 #include <fcntl.h>
  21 #include <stdarg.h>
  22 #include <stddef.h>
  23
  24 /* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
  25    a third argument is the file protection.  */
  26 int
  27 __open (file, oflag)
  28      const char *file;
  29      int oflag;
  30 {
  31   int mode;
  32
  33   if (file == NULL)
  34     {
  35       __set_errno (EINVAL);
  36       return -1;
  37     }
  38
  39   if (oflag & O_CREAT)
  40     {
  41       va_list arg;
  42       va_start(arg, oflag);
  43       mode = va_arg(arg, int);
  44       va_end(arg);
  45     }
  46
  47   __set_errno (ENOSYS);
  48   return -1;
  49 }
  50 libc_hidden_def (__open)
  51 stub_warning (open)
  52
  53 weak_alias (__open, open)
  54 #include <stub-tag.h>