SWITCH_DECLARE(switch_status_t) switch_time_exp_tz_name(const char *tz, switch_time_exp_t *tm, switch_time_t thetime)
{
struct tm xtm = { 0 };
const char *tz_name = tz;
const char *tzdef;
time_t timep;
if (!thetime) {
thetime = switch_micro_time_now();
}
timep = (thetime) / (int64_t) (1000000);
if (!zstr(tz_name)) {
tzdef = switch_lookup_timezone(tz_name);
} else {
/* We set the default timezone to GMT. */
tz_name = "GMT";
tzdef = "GMT";
}
if (tzdef) { /* The lookup of the zone may fail. */
tztime(&timep, tzdef, &xtm);
tm2switchtime(&xtm, tm);
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
int
main(int argc, char *argv[])
{
char buf[BUFSIZ], c;
char *fmt = "%c";
struct tm *now = NULL;
struct tm *(*tztime)(const time_t *) = localtime;
const char *tz = "local";
time_t t;
t = time(NULL);
while((c = getopt(argc, argv, "d:u")) != -1)
switch(c) {
case 'd':
t = estrtol(optarg, 0);
break;
case 'u':
tztime = gmtime;
tz = "gm";
break;
default:
exit(EXIT_FAILURE);
}
if(optind < argc && argv[optind][0] == '+')
fmt = &argv[optind][1];
if(!(now = tztime(&t)))
eprintf("%stime failed\n", tz);
strftime(buf, sizeof buf, fmt, now);
puts(buf);
return EXIT_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_strftime_tz(const char *tz, const char *format, char *date, size_t len, switch_time_t thetime)
{
time_t timep;
const char *tz_name = tz;
const char *tzdef;
switch_size_t retsize;
struct tm tm = { 0 };
switch_time_exp_t stm;
if (!thetime) {
thetime = switch_micro_time_now();
}
timep = (thetime) / (int64_t) (1000000);
if (!zstr(tz_name)) {
tzdef = switch_lookup_timezone(tz_name);
} else {
/* We set the default timezone to GMT. */
tz_name = "GMT";
tzdef = "GMT";
}
if (tzdef) { /* The lookup of the zone may fail. */
tztime(&timep, tzdef, &tm);
tm2switchtime(&tm, &stm);
switch_strftime_nocheck(date, &retsize, len, zstr(format) ? "%Y-%m-%d %T" : format, &stm);
if (!zstr_buf(date)) {
return SWITCH_STATUS_SUCCESS;
}
}
return SWITCH_STATUS_FALSE;
}
