Function getUnsignedLongLongFromObject

src/object.cpp:743–769

}

int getUnsignedLongLongFromObject(robj *o, uint64_t *target) {
    uint64_t value;

    if (o == NULL) {
        value = 0;
    } else {
        serverAssertWithInfo(NULL,o,o->type == OBJ_STRING);
        if (sdsEncodedObject(o)) {
            char *pchEnd = nullptr;
            errno = 0;
            value = strtoull(szFromObj(o), &pchEnd, 10);
            if (value == 0) {
                // potential error
                if (errno != 0)
                    return C_ERR;
                if (pchEnd == szFromObj(o))
                    return C_ERR;
            }
        } else if (o->encoding == OBJ_ENCODING_INT) {
            value = (long)ptrFromObj(o);
        } else {
            serverPanic("Unknown string encoding");
        }
    }
    if (target) *target = value;
    return C_OK;
}

int getLongLongFromObjectOrReply(client *c, robj *o, long long *target, const char *msg) {
    long long value;