- if (have_time) {
- r = time_get_dst(sec, "/etc/localtime",
- &tc, &zc, &is_dstc,
- &tn, &dn, &zn, &is_dstn);
- if (r < 0)
- printf(" DST active: %s\n", "n/a");
- else {
- printf(" DST active: %s\n", yes_no(is_dstc));
-
- t = tc - 1;
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
- char_array_0(a);
-
- zero(tm);
- assert_se(strftime(b, sizeof(b), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)) > 0);
- char_array_0(b);
- printf(" Last DST change: DST %s at\n"
- " %s\n"
- " %s\n",
- is_dstc ? "began" : "ended", a, b);
-
- t = tn - 1;
- zero(tm);
- assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0);
- char_array_0(a);
-
- zero(tm);
- assert_se(strftime(b, sizeof(b), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)) > 0);
- char_array_0(b);
- printf(" Next DST change: DST %s (the clock jumps %s) at\n"
- " %s\n"
- " %s\n",
- is_dstn ? "begins" : "ends", jump_str(dn, s, sizeof(s)), a, b);
- }
- } else
- printf(" DST active: %s\n", yes_no(is_dstc));
-