Function main

test/core/test_stack_get_free.c:27–48

int increment = 256 * 1024;

int main() {
  emscripten_stack_init();
  TestStackValidity();

  uintptr_t origFree = emscripten_stack_get_free();
  uintptr_t prevFree = emscripten_stack_get_free();
  printf("Stack used: %lu\n", origFree - emscripten_stack_get_free());
  for (int i = 0; i < 10; ++i) {
    int increment_noopt = emscripten_random() >= 0 ? increment : 2;
    char *p = alloca(increment_noopt);
    DoSomething(p);
    uintptr_t free = emscripten_stack_get_free();
    assert(prevFree - free == increment);
    prevFree = free;
    // Print something from the allocated region to prevent whole program
    // optimizations from eliminating the alloca completely.
    printf("Val: %d\n", p[10]);
    printf("Stack used: %zu\n", origFree - emscripten_stack_get_free());
    TestStackValidity();
  }
  return 0;
}