Function ztryrealloc

app/redis-6.2.6/src/zmalloc.c:256–259

Try Reallocating memory, and return NULL if failed. */

/* Try Reallocating memory, and return NULL if failed. */
void *ztryrealloc(void *ptr, size_t size) {
    ptr = ztryrealloc_usable(ptr, size, NULL);
    return ptr;
}

/* Reallocate memory or panic.
 * '*usable' is set to the usable size if non NULL. */