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

   Copyright 1992, 1993, 1994, 1995, 1999, 2002, 2003, 2007, 2008

   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 3 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, see <http://www.gnu.org/licenses/>.

   Please email any bugs, comments, and/or additions to this file to:

   bug-gdb@prep.ai.mit.edu  */

#ifdef vxworks

#  include <stdio.h>

/* VxWorks does not supply atoi.  */

static int

atoi (z)

     char *z;

{

  int i = 0;

  while (*z >= '0' && *z <= '9')

    i = i * 10 + (*z++ - '0');

  return i;

}

/* I don't know of any way to pass an array to VxWorks.  This function

   can be called directly from gdb.  */

vxmain (arg)

char *arg;

{

  char *argv[2];

  argv[0] = "";

  argv[1] = arg;

  main (2, argv, (char **) 0);

}

#else /* ! vxworks */

#  include <stdio.h>

#  include <stdlib.h>

#endif /* ! vxworks */

#ifdef PROTOTYPES

extern int marker1 (void);

extern int marker2 (int a);

extern void marker3 (char *a, char *b);

extern void marker4 (long d);

#else

extern int marker1 ();

extern int marker2 ();

extern void marker3 ();

extern void marker4 ();

#endif

/*

 *      This simple classical example of recursion is useful for

 *      testing stack backtraces and such.

 */

#ifdef PROTOTYPES

int factorial(int);

int

main (int argc, char **argv, char **envp)

#else

int

main (argc, argv, envp)

int argc;

char *argv[], **envp;

#endif

{

#ifdef usestubs

    set_debug_traps();  /* set breakpoint 5 here */

    breakpoint();

#endif

    if (argc == 12345) {  /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */

        fprintf (stderr, "usage:  factorial <number>\n");

        return 1;

    }

    printf ("%d\n", factorial (atoi ("6")));  /* set breakpoint 1 here */

    /* set breakpoint 12 here */

    marker1 ();  /* set breakpoint 11 here */

    marker2 (43); /* set breakpoint 20 here */

    marker3 ("stack", "trace"); /* set breakpoint 21 here */

    marker4 (177601976L);

    /* We're used by a test that requires malloc, so make sure it is

       in the executable.  */

    (void)malloc (1);

    argc = (argc == 12345); /* This is silly, but we can step off of it */ /* set breakpoint 2 here */

    return argc;  /* set breakpoint 10 here */

} /* set breakpoint 10a here */

#ifdef PROTOTYPES

int factorial (int value)

#else

int factorial (value)

int value;

#endif

{

  if (value > 1) {  /* set breakpoint 7 here */

        value *= factorial (value - 1);

    }

    return (value); /* set breakpoint 19 here */

}

#ifdef PROTOTYPES

int multi_line_if_conditional (int a, int b, int c)

#else

int multi_line_if_conditional (a, b, c)

  int a, b, c;

#endif

{

  if (a    /* set breakpoint 3 here */

      && b

      && c)

    return 0;

  else

    return 1;

}

#ifdef PROTOTYPES

int multi_line_while_conditional (int a, int b, int c)

#else

int multi_line_while_conditional (a, b, c)

  int a, b, c;

#endif

{

  while (a /* set breakpoint 4 here */

      && b

      && c)

    {

      a--, b--, c--;

    }

  return 0;

}