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// 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.
#include <assert.h>
#include <emscripten/console.h>
#include <emscripten/heap.h>
#include <stdio.h>
#include <stdlib.h>
static int totalAllocs;
static int totalFrees;
void *malloc(size_t size) {
++totalAllocs;
void *ptr = emscripten_builtin_malloc(size);
emscripten_console_logf("Allocated %zu bytes, got %p. %d pointers allocated total.", size, ptr, totalAllocs);
return ptr;
}
void free(void *ptr) {
++totalFrees;
emscripten_builtin_free(ptr);
emscripten_console_logf("Freed ptr %p, %d pointers freed total.", ptr, totalFrees);
}
int main() {
// Reset these globals here, to ignore any allocations during startup by the
// system
totalAllocs = 0;
totalFrees = 0;
for (int i = 0; i < 20; ++i) {
void *ptr = malloc(1024 * 1024);
// Make sure we do something with the pointer do ensure the optimizer
// doesn't completely remove the allocation.
emscripten_console_logf("alloacted: %p", ptr);
free(ptr);
}
emscripten_console_logf("totalAllocs: %d", totalAllocs);
emscripten_console_logf("totalFrees: %d", totalFrees);
assert(totalAllocs == 20);
assert(totalFrees == 20);
emscripten_console_logf("OK.");
return 0;
}
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