if (i->rtc_local)
fputs("\n" ANSI_HIGHLIGHT_ON
- "Warning: The RTC is configured to maintain time in the local time zone. This\n"
- " mode is not fully supported and will create various problems with time\n"
- " zone changes and daylight saving time adjustments. If at all possible, use\n"
+ "Warning: The system is configured to read the RTC time in the local time zone. This\n"
+ " mode can not be fully supported. It will create various problems with time\n"
+ " zone changes and daylight saving time adjustments. The RTC time is never updated,\n"
+ " it relies on external facilities to maintain it. If at all possible, use\n"
" RTC in UTC by calling 'timedatectl set-local-rtc 0'" ANSI_HIGHLIGHT_OFF ".\n", stdout);
}
}
static int list_timezones(sd_bus *bus, char **args, unsigned n) {
- _cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **zones = NULL;
- size_t n_zones = 0;
+ int r;
assert(args);
assert(n == 1);
- f = fopen("/usr/share/zoneinfo/zone.tab", "re");
- if (!f) {
- log_error("Failed to open time zone database: %m");
- return -errno;
- }
-
- for (;;) {
- char l[LINE_MAX], *p, **z, *w;
- size_t k;
-
- if (!fgets(l, sizeof(l), f)) {
- if (feof(f))
- break;
-
- log_error("Failed to read time zone database: %m");
- return -errno;
- }
-
- p = strstrip(l);
-
- if (isempty(p) || *p == '#')
- continue;
-
- /* Skip over country code */
- p += strcspn(p, WHITESPACE);
- p += strspn(p, WHITESPACE);
-
- /* Skip over coordinates */
- p += strcspn(p, WHITESPACE);
- p += strspn(p, WHITESPACE);
-
- /* Found timezone name */
- k = strcspn(p, WHITESPACE);
- if (k <= 0)
- continue;
-
- w = strndup(p, k);
- if (!w)
- return log_oom();
-
- z = realloc(zones, sizeof(char*) * (n_zones + 2));
- if (!z) {
- free(w);
- return log_oom();
- }
-
- zones = z;
- zones[n_zones++] = w;
+ r = get_timezones(&zones);
+ if (r < 0) {
+ log_error("Failed to read list of time zones: %s", strerror(-r));
+ return r;
}
- if (zones)
- zones[n_zones] = NULL;
-
pager_open_if_enabled();
-
- strv_sort(zones);
strv_print(zones);
return 0;