Function __redisPushCallback

deps/hiredis/async.c:245–265

Helper functions to push/shift callbacks */

/* Helper functions to push/shift callbacks */
static int __redisPushCallback(redisCallbackList *list, redisCallback *source) {
    redisCallback *cb;

    /* Copy callback from stack to heap */
    cb = hi_malloc(sizeof(*cb));
    if (cb == NULL)
        return REDIS_ERR_OOM;

    if (source != NULL) {
        memcpy(cb,source,sizeof(*cb));
        cb->next = NULL;
    }

    /* Store callback in list */
    if (list->head == NULL)
        list->head = cb;
    if (list->tail != NULL)
        list->tail->next = cb;
    list->tail = cb;
    return REDIS_OK;
}

static int __redisShiftCallback(redisCallbackList *list, redisCallback *target) {
    redisCallback *cb = list->head;