#include <dlfcn.h>

#include <mcheck.h>

#include <stdio.h>

#include <stdlib.h>

typedef int (*fn)(void);

#define CHUNKS 1024

#define REPEAT 64

int

main (void)

{

  void *h1;

  void *h2;

  fn **foopp;

  fn bar, baz;

  int i, j;

  int n;

  void *allocs[REPEAT][CHUNKS];

  mtrace ();

  /* Open the two objects.  */

  h1 = dlopen ("reldep6mod3.so", RTLD_LAZY);

  if (h1 == NULL)

    {

      printf ("cannot open reldep6mod3.so: %s\n", dlerror ());

      exit (1);

    }

  foopp = dlsym (h1, "foopp");

  if (foopp == NULL)

    {

      printf ("cannot get address of \"foopp\": %s\n", dlerror ());

      exit (1);

    }

  n = (**foopp) ();

  if (n != 20)

    {

      printf ("(**foopp)() return %d, not return 20\n", n);

      exit (1);

    }

  h2 = dlopen ("reldep6mod4.so", RTLD_LAZY);

  if (h2 == NULL)

    {

      printf ("cannot open reldep6mod4.so: %s\n", dlerror ());

      exit (1);

    }

  baz = dlsym (h2, "baz");

  if (baz == NULL)

    {

      printf ("cannot get address of \"baz\": %s\n", dlerror ());

      exit (1);

    }

  if (baz () != 31)

    {

      printf ("baz() did not return 31\n");

      exit (1);

    }

  if (dlclose (h1) != 0)

    {

      printf ("closing h1 failed: %s\n", dlerror ());

      exit (1);

    }

  /* Clobber memory.  */

  for (i = 0; i < REPEAT; ++i)

    for (j = 0; j < CHUNKS; ++j)

      allocs[i][j] = calloc (1, j + 1);

  bar = dlsym (h2, "bar");

  if (bar == NULL)

    {

      printf ("cannot get address of \"bar\": %s\n", dlerror ());

      exit (1);

    }

  if (bar () != 40)

    {

      printf ("bar() did not return 40\n");

      exit (1);

    }

  baz = dlsym (h2, "baz");

  if (baz == NULL)

    {

      printf ("cannot get address of \"baz\": %s\n", dlerror ());

      exit (1);

    }

  if (baz () != 31)

    {

      printf ("baz() did not return 31\n");

      exit (1);

    }

  for (i = 0; i < REPEAT; ++i)

    for (j = 0; j < CHUNKS; ++j)

      free (allocs[i][j]);

  if (dlclose (h2) != 0)

    {

      printf ("closing h2 failed: %s\n", dlerror ());

      exit (1);

    }

  return 0;

}