Function numericConfigSet

app/redis-6.2.6/src/config.c:2022–2052

}

static int numericConfigSet(typeData data, sds value, int update, const char **err) {
    long long ll, prev = 0;
    if (data.numeric.is_memory) {
        int memerr;
        ll = memtoll(value, &memerr);
        if (memerr || ll < 0) {
            *err = "argument must be a memory value";
            return 0;
        }
    } else {
        if (!string2ll(value, sdslen(value),&ll)) {
            *err = "argument couldn't be parsed into an integer" ;
            return 0;
        }
    }

    if (!numericBoundaryCheck(data, ll, err))
        return 0;

    if (data.numeric.is_valid_fn && !data.numeric.is_valid_fn(ll, err))
        return 0;

    GET_NUMERIC_TYPE(prev)
    SET_NUMERIC_TYPE(ll)

    if (update && data.numeric.update_fn && !data.numeric.update_fn(ll, prev, err)) {
        SET_NUMERIC_TYPE(prev)
        return 0;
    }
    return 1;
}

static void numericConfigGet(client *c, typeData data) {
    char buf[128];