Function getTimeoutFromObjectOrReply

app/redis-6.2.6/src/timeout.c:164–190

Get a timeout value from an object and store it into 'timeout'. * The final timeout is always stored as milliseconds as a time where the * timeout will expire, however the parsing is performed according to * the 'unit' that can be seconds or milliseconds. * * Note that if the timeout is zero (usually from the point of view of * commands API this means no timeout) the value stored into 'timeo

 * commands API this means no timeout) the value stored into 'timeout'
 * is zero. */
int getTimeoutFromObjectOrReply(client *c, robj *object, mstime_t *timeout, int unit) {
    long long tval;
    long double ftval;

    if (unit == UNIT_SECONDS) {
        if (getLongDoubleFromObjectOrReply(c,object,&ftval,
            "timeout is not a float or out of range") != C_OK)
            return C_ERR;
        tval = (long long) (ftval * 1000.0);
    } else {
        if (getLongLongFromObjectOrReply(c,object,&tval,
            "timeout is not an integer or out of range") != C_OK)
            return C_ERR;
    }

    if (tval < 0) {
        addReplyError(c,"timeout is negative");
        return C_ERR;
    }

    if (tval > 0) {
        tval += mstime();
    }
    *timeout = tval;

    return C_OK;
}