/* This testcase is part of GDB, the GNU debugger.

   Copyright 2004 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  */

#include <stdlib.h>

int
factorial (int n)
{
  if (n > 0) {                       /* marker: factorial */
    return factorial (n - 1) * n;    /* marker: factorial recursion */
  } else {
    return 1;
  }
}

int
main (int argc, char *argv[])
{
  int depth = 3;

  if (argc > 1) {
    depth = atoi(argv[1]);
  }

  return factorial (depth);           /* marker: main call */
}