Keep pushing till we run out of stack area.

keep-pushing.c

#include <stdio.h>
#include <string.h>

unsigned int stack_size;

struct huge_argument /* Not the verbal kind ;).  */
{
  char x[512];
};

void
push (struct huge_argument arg, char * base)
{
  struct huge_argument local;

  /* Read some stuff off the stack;
  write some stuff on the stack.  */
  memcpy (&local, &arg, sizeof (struct huge_argument));

  /* Kilobytes => /1024;
     Stack may grow either way, depending on ABI.  */
  if (base > (char *) &local)
    stack_size = (base - (char *) &local) / 1024;
  else
    stack_size = ( (char *) &local - base) / 1024;

  printf ("%u\n", stack_size);

  push (local, base);
}

int
main (int argc, char ** argv)
{
  struct huge_argument arg;

  /* Each call eats up a little more than a KB of stack.  */
  push (arg, (char *) &arg);

  return 0;
}