Function hashTypeLength

src/t_hash.cpp:314–325

Return the number of elements in a hash. */

/* Return the number of elements in a hash. */
unsigned long hashTypeLength(robj_roptr o) {
    unsigned long length = ULONG_MAX;

    if (o->encoding == OBJ_ENCODING_ZIPLIST) {
        length = ziplistLen((unsigned char*)ptrFromObj(o)) / 2;
    } else if (o->encoding == OBJ_ENCODING_HT) {
        length = dictSize((const dict*)ptrFromObj(o));
    } else {
        serverPanic("Unknown hash encoding");
    }
    return length;
}

hashTypeIterator *hashTypeInitIterator(robj_roptr subject) {
    hashTypeIterator *hi = (hashTypeIterator*)zmalloc(sizeof(hashTypeIterator), MALLOC_LOCAL);