Function dictTypeExpandAllowed

src/dict.cpp:1340–1345

Because we may need to allocate huge memory chunk at once when dict * expands, we will check this allocation is allowed or not if the dict * type has expandAllowed member function. */

 * expands, we will check this allocation is allowed or not if the dict
 * type has expandAllowed member function. */
static int dictTypeExpandAllowed(dict *d) {
    if (d->type->expandAllowed == NULL) return 1;
    return d->type->expandAllowed(
                    _dictNextPower(d->ht[0].used + 1) * sizeof(dictEntry*),
                    (double)d->ht[0].used / d->ht[0].size);
}

/* Expand the hash table if needed */
static int _dictExpandIfNeeded(dict *d)