fix logger reentrancy

    return tm;

}

static inline struct tm*

mini_gmtime(const time_t* timep) {

    static struct tm tm;

    return mini_gmtime_r(timep, &tm);

}

static inline ssize_t

format_timeval(struct timeval* tv, char* buf, size_t sz) {

    ssize_t written = -1;

    const struct tm* gm = mini_gmtime(&tv->tv_sec);

    struct tm tm;

    const struct tm* gm = mini_gmtime_r(&tv->tv_sec, &tm);

    written = (ssize_t) strftime(buf, sz, "%Y-%m-%d %H:%M:%S", gm);