sysdeps/mach/hurd/open.c

   1 /* Copyright (C) 1992,93,94,95,97,2000,2002 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 <hurd.h>
  23 #include <hurd/fd.h>
  24
  25 #undef __libc_open
  26 #undef __open
  27
  28 /* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
  29    a third argument is the file protection.  */
  30 int
  31 __libc_open (const char *file, int oflag, ...)
  32 {
  33   mode_t mode;
  34   io_t port;
  35
  36   if (oflag & O_CREAT)
  37     {
  38       va_list arg;
  39       va_start (arg, oflag);
  40       mode = va_arg (arg, mode_t);
  41       va_end (arg);
  42     }
  43   else
  44     mode = 0;
  45
  46   port = __file_name_lookup (file, oflag, mode);
  47   if (port == MACH_PORT_NULL)
  48     return -1;
  49
  50   return _hurd_intern_fd (port, oflag, 1);
  51 }
  52
  53 INTDEF2(__libc_open, __open)
  54 weak_alias (__libc_open, __open)
  55 weak_alias (__libc_open, open)