_get_lc_time()

Example 2.15. LC_TIME_DEF

__LC_TIME_DEF(lctime_c, "C",
              "Sun\0Mon\0Tue\0Wed\0Thu\0Fri\0Sat",
              "Sunday\0xxx" "Monday\0xxx" "Tuesday\0xx" "Wednesday\0"
              "Thursday\0x" "Friday\0xxx" "Saturday\0",
              "Jan\0Feb\0Mar\0Apr\0May\0Jun\0Jul\0Aug\0Sep\0Oct\0Nov\0Dec",
              "January\0xx" "February\0x" "March\0xxxx" "April\0xxxx"
              "May\0xxxxxx" "June\0xxxxx" "July\0xxxxx" "August\0xxx"
              "September\0" "October\0xx" "November\0x" "December\0",
              "AM", "PM",
              "%x %X", "%d %b %Y", "%H:%M:%S")
__LC_TIME_DEF(lctime_fr, "fr",
              "dim\0lun\0mar\0mer\0jeu\0ven\0sam",
              "dimanche\0" "lundi\0xxx" "mardi\0xxx" "mercredi\0"
              "jeudi\0xxx" "vendredi\0" "samedi\0x",
              "jan\0xfev\0xmars\0avr\0xmai\0xjuin\0"
              "juil\0aout\0sep\0xoct\0xnov\0xdec\0",
              "janvier\0xx" "fevrier\0xx" "mars\0xxxxx" "avril\0xxxx"
              "mai\0xxxxxx" "juin\0xxxxx" "juillet\0xx" "aout\0xxxxx"
              "septembre\0" "octobre\0xx" "novembre\0x" "decembre\0",
              "AM", "PM", "%A, %d %B %Y, %X", "%d.%m.%y", "%H:%M:%S")
__LC_INDEX_END(lctime_dummy)

void const *_get_lc_time(void const *null, char const *name) {
    return _findlocale(&lctime_c_index, name);
}

void test_lc_time(void) {
    struct tm tm;
    char timestr[256];

    tm.tm_sec = 13;
    tm.tm_min = 13;
    tm.tm_hour = 23;
    tm.tm_mday = 12;
    tm.tm_mon = 1;
    tm.tm_year = 98;
    tm.tm_wday = 4;
    tm.tm_yday = 42;
    tm.tm_isdst = 0;

    EQS(setlocale(LC_TIME, NULL), "C");      /* verify starting point */
    strftime(timestr, sizeof(timestr), "%c", &tm);
    EQS(timestr, "12 Feb 1998 23:13:13");
    EQI(!setlocale(LC_TIME, "fr"), 0);
    EQS(setlocale(LC_TIME, NULL), "fr");
    strftime(timestr, sizeof(timestr), "%c", &tm);
    EQS(timestr, "jeudi, 12 fevrier 1998, 23:13:13");
    EQI(!setlocale(LC_TIME, "C"), 0);
    EQS(setlocale(LC_TIME, NULL), "C");
    strftime(timestr, sizeof(timestr), "%c", &tm);
    EQS(timestr, "12 Feb 1998 23:13:13");
}