Back to index

glibc  2.9
open64.c
Go to the documentation of this file.
00001 /* Copyright (C) 1991, 1995, 1996, 1997, 1999, 2000, 2002, 2007
00002    Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <fcntl.h>
00022 #include <stdarg.h>
00023 #include <stddef.h>
00024 #include <stdio.h>
00025 
00026 /* Open FILE with access OFLAG.  If OFLAG includes O_CREAT,
00027    a third argument is the file protection.  */
00028 int
00029 __libc_open64 (file, oflag)
00030      const char *file;
00031      int oflag;
00032 {
00033   int mode;
00034 
00035   if (file == NULL)
00036     {
00037       __set_errno (EINVAL);
00038       return -1;
00039     }
00040 
00041   if (oflag & O_CREAT)
00042     {
00043       va_list arg;
00044       va_start (arg, oflag);
00045       mode = va_arg (arg, int);
00046       va_end (arg);
00047     }
00048 
00049   __set_errno (ENOSYS);
00050   return -1;
00051 }
00052 strong_alias (__libc_open64, __open64)
00053 libc_hidden_def (__open64)
00054 weak_alias (__libc_open64, open64)
00055 
00056 stub_warning (open64)
00057 
00058 
00059 int
00060 __open64_2 (file, oflag)
00061      const char *file;
00062      int oflag;
00063 {
00064   if (oflag & O_CREAT)
00065     __fortify_fail ("invalid open64 call: O_CREAT without mode");
00066 
00067   return __open64 (file, oflag);
00068 }
00069 stub_warning (__open64_2)
00070 
00071 #include <stub-tag.h>