static timezone_t *
timezone_switch(const char *tz)
{
timezone_t *self = calloc(1, sizeof *self);
self->tz = strdup(tz_get());
tz_set(tz && *tz ? tz : self->tz);
return self;
}
static
int
custom_get_timezone(char *s, size_t max)
{
char buff[256];
conf_get_str(CONF_ZONE, buff, sizeof buff, tz_get());
tz_set(buff);
return copy(s, max, tz_get());
}
static void
timezone_restore(timezone_t *self)
{
if( self != 0 )
{
tz_set(self->tz);
free(self->tz);
free(self);
}
}
static
int
custom_set_timezone(const char *tz)
{
tz_set(tz);
conf_set_str(CONF_ZONE, tz_get());
int rc = tz_cmp(tz_get(), tz) ? -1 : 0;
custom_send_notification(0);
return rc;
}
int set_gmt_offset(int offset, char** errmsg)
{
int i;
for (i = 0; timezones[i].timezone_file != NULL; ++i) {
if (timezones[i].minute_offset == offset) {
break;
}
}
if (timezones[i].timezone_file == NULL) {
*errmsg = strdup("Invalid timezone UTC offset.");
return EXIT_FAILURE;
}
return tz_set(timezones[i].timezone_file, errmsg);
}
