timedatectl: remove unused variables

[elogind.git] / src / timedate / timedated.c

diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c
index 88d57e9d5432da609c5b989ed460aec6c500a304..0d4a9dd7e21230a02df7b9e3ba303cf0432fa4b5 100644 (file)
--- a/src/timedate/timedated.c
+++ b/src/timedate/timedated.c
@@ -43,7 +43,7 @@
 #define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n"
 
 static BUS_ERROR_MAP_ELF_REGISTER const sd_bus_error_map timedated_errors[] = {
-        SD_BUS_ERROR_MAP("org.freedesktop.timedate1.NoNTPSupport", ENOTSUP),
+        SD_BUS_ERROR_MAP("org.freedesktop.timedate1.NoNTPSupport", EOPNOTSUPP),
         SD_BUS_ERROR_MAP_END
 };
 
@@ -222,38 +222,23 @@ static int context_read_ntp(Context *c, sd_bus *bus) {
         return 0;
 }
 
-static int context_start_ntp(Context *c, sd_bus *bus, sd_bus_error *error) {
+static int context_start_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) {
         int r;
 
-        assert(c);
         assert(bus);
         assert(error);
 
-        if (c->use_ntp)
-                r = sd_bus_call_method(
-                                bus,
-                                "org.freedesktop.systemd1",
-                                "/org/freedesktop/systemd1",
-                                "org.freedesktop.systemd1.Manager",
-                                "StartUnit",
-                                error,
-                                NULL,
-                                "ss",
-                                "systemd-timesyncd.service",
-                                "replace");
-        else
-                r = sd_bus_call_method(
-                                bus,
-                                "org.freedesktop.systemd1",
-                                "/org/freedesktop/systemd1",
-                                "org.freedesktop.systemd1.Manager",
-                                "StopUnit",
-                                error,
-                                NULL,
-                                "ss",
-                                "systemd-timesyncd.service",
-                                "replace");
-
+        r = sd_bus_call_method(
+                bus,
+                "org.freedesktop.systemd1",
+                "/org/freedesktop/systemd1",
+                "org.freedesktop.systemd1.Manager",
+                enabled ? "StartUnit" : "StopUnit",
+                error,
+                NULL,
+                "ss",
+                "systemd-timesyncd.service",
+                "replace");
         if (r < 0) {
                 if (sd_bus_error_has_name(error, SD_BUS_ERROR_FILE_NOT_FOUND) ||
                     sd_bus_error_has_name(error, "org.freedesktop.systemd1.LoadFailed") ||
@@ -266,14 +251,13 @@ static int context_start_ntp(Context *c, sd_bus *bus, sd_bus_error *error) {
         return 0;
 }
 
-static int context_enable_ntp(Context*c, sd_bus *bus, sd_bus_error *error) {
+static int context_enable_ntp(sd_bus *bus, sd_bus_error *error, bool enabled) {
         int r;
 
-        assert(c);
         assert(bus);
         assert(error);
 
-        if (c->use_ntp)
+        if (enabled)
                 r = sd_bus_call_method(
                                 bus,
                                 "org.freedesktop.systemd1",
@@ -551,6 +535,9 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
         if (c->use_ntp)
                 return sd_bus_error_setf(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled");
 
+        /* this only gets used if dbus does not provide a timestamp */
+        start = now(CLOCK_MONOTONIC);
+
         r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive);
         if (r < 0)
                 return r;
@@ -590,10 +577,11 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
 
         /* adjust ts for time spent in program */
         r = sd_bus_message_get_monotonic_usec(m, &start);
+        /* when sd_bus_message_get_monotonic_usec() returns -ENODATA it does not modify &start */
         if (r < 0 && r != -ENODATA)
                 return r;
-        if (r >= 0)
-                timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start));
+
+        timespec_store(&ts, timespec_load(&ts) + (now(CLOCK_MONOTONIC) - start));
 
         /* Set system clock */
         if (clock_settime(CLOCK_REALTIME, &ts) < 0) {
@@ -618,15 +606,15 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
 }
 
 static int method_set_ntp(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *error) {
-        int ntp, interactive;
+        int enabled, interactive;
         Context *c = userdata;
         int r;
 
-        r = sd_bus_message_read(m, "bb", &ntp, &interactive);
+        r = sd_bus_message_read(m, "bb", &enabled, &interactive);
         if (r < 0)
                 return r;
 
-        if ((bool)ntp == c->use_ntp)
+        if ((bool)enabled == c->use_ntp)
                 return sd_bus_reply_method_return(m, NULL);
 
         r = bus_verify_polkit_async(
@@ -642,17 +630,16 @@ static int method_set_ntp(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus
         if (r == 0)
                 return 1;
 
-        c->use_ntp = ntp;
-
-        r = context_enable_ntp(c, bus, error);
+        r = context_enable_ntp(bus, error, enabled);
         if (r < 0)
                 return r;
 
-        r = context_start_ntp(c, bus, error);
+        r = context_start_ntp(bus, error, enabled);
         if (r < 0)
                 return r;
 
-        log_info("Set NTP to %s", c->use_ntp ? "enabled" : "disabled");
+        c->use_ntp = enabled;
+        log_info("Set NTP to %s", enabled ? "enabled" : "disabled");
 
         sd_bus_emit_properties_changed(bus, "/org/freedesktop/timedate1", "org.freedesktop.timedate1", "NTP", NULL);
 
@@ -735,7 +722,7 @@ int main(int argc, char *argv[]) {
         if (r < 0)
                 goto finish;
 
-        (void)sd_bus_negotiate_timestamp(bus, true);
+        (void) sd_bus_negotiate_timestamp(bus, true);
 
         r = context_read_data(&context);
         if (r < 0) {