sysdeps/mach/hurd/open.c

   1 /* Copyright (C) 1992,93,94,95,97,2000,2002,2006 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 <stdio.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 __libc_open (const char *file, int oflag, ...)
  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 libc_hidden_def (__libc_open)
  52 weak_alias (__libc_open, __open)
  53 libc_hidden_weak (__open)
  54 weak_alias (__libc_open, open)
  55
  56 int
  57 __open_2 (file, oflag)
  58      const char *file;
  59      int oflag;
  60 {
  61   if (oflag & O_CREAT)
  62     __fortify_fail ("invalid open call: O_CREAT without mode");
  63
  64   return __open (file, oflag);
  65 }
  66
  67 /* open64 is just the same as open for us.  */
  68 weak_alias (__libc_open, __libc_open64)
  69 weak_alias (__libc_open, __open64)
  70 libc_hidden_weak (_open64)
  71 weak_alias (__libc_open, open64)
  72 strong_alias (__open_2, __open64_2)