genericHgetallCommand.c

static void genericHgetallCommand(redisClient *c, int flags) {
    robj *o, *lenobj, *obj;
    unsigned long count = 0;
    hashIterator *hi;

    lenobj = createObject(REDIS_STRING,NULL);
    addReply(c,lenobj);
    decrRefCount(lenobj);

	for (int i = 1; i < c->argc; ++i) {
		if ((o = lookupKeyReadOrReply(c,c->argv[i],shared.emptymultibulk)) == NULL
			|| checkType(c,o,REDIS_HASH)) break;
		hi = hashInitIterator(o);
		while (hashNext(hi) != REDIS_ERR) {
			if (flags & REDIS_HASH_KEY) {
				obj = hashCurrent(hi,REDIS_HASH_KEY);
				addReplyBulk(c,obj);
				decrRefCount(obj);
				count++;
			}
			if (flags & REDIS_HASH_VALUE) {
				obj = hashCurrent(hi,REDIS_HASH_VALUE);
				addReplyBulk(c,obj);
				decrRefCount(obj);
				count++;
			}
		}
		hashReleaseIterator(hi);
	}

    lenobj->ptr = sdscatprintf(sdsempty(),"*%lu\r\n",count);
}