io/open64.c

   1 /* Copyright (C) 1991, 1995, 1996, 1997, 1999, 2000, 2002, 2007
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <fcntl.h>
  22 #include <stdarg.h>
  23 #include <stddef.h>
  24 #include <stdio.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_open64 (file, oflag)
  30      const char *file;
  31      int oflag;
  32 {
  33   int mode;
  34
  35   if (file == NULL)
  36     {
  37       __set_errno (EINVAL);
  38       return -1;
  39     }
  40
  41   if (oflag & O_CREAT)
  42     {
  43       va_list arg;
  44       va_start (arg, oflag);
  45       mode = va_arg (arg, int);
  46       va_end (arg);
  47     }
  48
  49   __set_errno (ENOSYS);
  50   return -1;
  51 }
  52 strong_alias (__libc_open64, __open64)
  53 libc_hidden_def (__open64)
  54 weak_alias (__libc_open64, open64)
  55
  56 stub_warning (open64)
  57
  58
  59 int
  60 __open64_2 (file, oflag)
  61      const char *file;
  62      int oflag;
  63 {
  64   if (oflag & O_CREAT)
  65     __fortify_fail ("invalid open64 call: O_CREAT without mode");
  66
  67   return __open64 (file, oflag);
  68 }
  69 stub_warning (__open64_2)
  70
  71 #include <stub-tag.h>