sysdeps/mach/hurd/open.c

   1 /* Copyright (C) 1992, 1993, 1994, 1995 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <errno.h>
  21 #include <fcntl.h>
  22 #include <stdarg.h>
  23 #include <hurd.h>
  24 #include <hurd/fd.h>
  25
  26 /* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
  27    a third argument is the file protection.  */
  28 int
  29 DEFUN(__open, (file, oflag), CONST char *file AND int oflag DOTS)
  30 {
  31   mode_t mode;
  32   io_t port;
  33
  34   if (oflag & O_CREAT)
  35     {
  36       va_list arg;
  37       va_start (arg, oflag);
  38       mode = va_arg (arg, mode_t);
  39       va_end (arg);
  40     }
  41   else
  42     mode = 0;
  43
  44   port = __file_name_lookup (file, oflag, mode);
  45   if (port == MACH_PORT_NULL)
  46     return -1;
  47
  48   return _hurd_intern_fd (port, oflag, 1);
  49 }
  50
  51 weak_alias (__open, open)