test/core/test_bigarray.c

/*
 * Copyright 2016 The Emscripten Authors.  All rights reserved.
 * Emscripten is available under two separate licenses, the MIT license and the
 * University of Illinois/NCSA Open Source License.  Both these licenses can be
 * found in the LICENSE file.
 */

// avoid "array initializer too large" errors
#include <stdio.h>
#include <assert.h>

#define SIZE (1024 * 100)
struct Struct {
  char x;
  int y;
};
struct Struct buffy[SIZE];

int main() {
  for (int i = 0; i < SIZE; i++) {
    assert(buffy[i].x == 0 && buffy[i].y == 0);
  }  // we were zeroinitialized
  for (int i = 0; i < SIZE; i++) {
    buffy[i].x = i * i;
    buffy[i].y = i * i * i;
  }  // we can save data
  printf("*%d*\n", buffy[SIZE / 3].x);
  return 0;
}