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/* Copyright (c) 2010-2025. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <stdio.h>
#include <stdlib.h>
static int iterate = 10;
static int growsdown(int *x)
{
int y = (x > &y);
if (--iterate > 0)
y = growsdown(&y);
/* The stack sometimes changes at the 0th level.
* Original version did fail in this case, but I changed this around SimGrid 3.13 because of https://bugs.debian.org/814272
* Every arch failed on that day :(
*/
if (iterate != 0 && y != (x > &y)) {
fprintf(stderr, "The stack changed its direction! (Iteration: %d. It was growing %s; &y=%p; &prevY=%p)\n",
(10 - iterate), y ? "down" : "up", &y, x);
exit(1);
}
return y;
}
int main(int argc, char *argv[])
{
int x;
printf("%s", growsdown(&x) ? "down" : "up");
return 0;
}
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