cgls: add pager support to systemd-cgls

[elogind.git] / src / localed.c

diff --git a/src/localed.c b/src/localed.c
index 0fbe74787a780f2a99eb6d26811064df2b825565..93e4e9bd56f2e181863ccdbc28337d17924fbd2c 100644 (file)
--- a/src/localed.c
+++ b/src/localed.c
@@ -30,16 +30,19 @@
 #include "dbus-common.h"
 #include "polkit.h"
 
-#define INTROSPECTION                                                   \
-        DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
-        "<node>\n"                                                      \
+#define INTERFACE                                                       \
         " <interface name=\"org.freedesktop.locale1\">\n"               \
         "  <property name=\"Locale\" type=\"as\" access=\"read\"/>\n"   \
         "  <method name=\"SetLocale\">\n"                               \
         "   <arg name=\"locale\" type=\"as\" direction=\"in\"/>\n"      \
         "   <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
         "  </method>\n"                                                 \
-        " </interface>\n"                                               \
+        " </interface>\n"
+
+#define INTROSPECTION                                                   \
+        DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
+        "<node>\n"                                                      \
+        INTERFACE                                                       \
         BUS_PROPERTIES_INTERFACE                                        \
         BUS_INTROSPECTABLE_INTERFACE                                    \
         BUS_PEER_INTERFACE                                              \
@@ -49,6 +52,8 @@
         BUS_GENERIC_INTERFACES_LIST             \
         "org.freedesktop.locale1\0"
 
+const char locale_interface[] _introspect_("locale1") = INTERFACE;
+
 enum {
         /* We don't list LC_ALL here on purpose. People should be
          * using LANG instead. */
@@ -524,7 +529,7 @@ static int connect_bus(DBusConnection **_bus) {
 
         bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
         if (!bus) {
-                log_error("Failed to get system D-Bus connection: %s", error.message);
+                log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error));
                 r = -ECONNREFUSED;
                 goto fail;
         }
@@ -535,8 +540,15 @@ static int connect_bus(DBusConnection **_bus) {
                 goto fail;
         }
 
-        if (dbus_bus_request_name(bus, "org.freedesktop.locale1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
-                log_error("Failed to register name on bus: %s", error.message);
+        r = dbus_bus_request_name(bus, "org.freedesktop.locale1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
+        if (dbus_error_is_set(&error)) {
+                log_error("Failed to register name on bus: %s", bus_error_message(&error));
+                r = -EEXIST;
+                goto fail;
+        }
+
+        if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+                log_error("Failed to acquire name.");
                 r = -EEXIST;
                 goto fail;
         }
@@ -563,6 +575,14 @@ int main(int argc, char *argv[]) {
         log_parse_environment();
         log_open();
 
+        if (argc == 2 && streq(argv[1], "--introspect")) {
+                fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
+                      "<node>\n", stdout);
+                fputs(locale_interface, stdout);
+                fputs("</node>\n", stdout);
+                return 0;
+        }
+
         if (argc != 1) {
                 log_error("This program takes no arguments.");
                 r = -EINVAL;