1: /* Initialization code run first thing by the ELF startup code.  Stub version.
    2:    Copyright (C) 1995, 1997, 1998, 2001, 2002 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 <unistd.h>
   21: #include <sys/types.h>
   22: 
   23: /* Set nonzero if we have to be prepared for more then one libc being
   24:    used in the process.  Safe assumption if initializer never runs.  */
   25: int __libc_multiple_libcs attribute_hidden = 1;
   26: 
   27: extern void __libc_init (int, char **, char **);
   28: #ifdef USE_NONOPTION_FLAGS
   29: extern void __getopt_clean_environment (char **);
   30: #endif
   31: 
   32: #ifdef SHARED
   33: void
   34: __libc_init_first (void)
   35: {
   36: }
   37: #endif
   38: 
   39: #ifdef SHARED
   40: /* NOTE!  The linker notices the magical name `_init' and sets the DT_INIT
   41:    pointer in the dynamic section based solely on that.  It is convention
   42:    for this function to be in the `.init' section, but the symbol name is
   43:    the only thing that really matters!!  */
   44: void _init
   45: #else
   46: void __libc_init_first
   47: #endif
   48: (int argc, char *arg0, ...)
   49: {
   50:   char **argv = &arg0, **envp = &argv[argc + 1];
   51: 
   52:   __environ = envp;
   53:   __libc_init (argc, argv, envp);
   54: 
   55: #ifdef USE_NONOPTION_FLAGS
   56:   /* This is a hack to make the special getopt in GNU libc working.  */
   57:   __getopt_clean_environment (envp);
   58: #endif
   59: }