get username from getlogin(), $LOGNAME, $USER, $LNAME, $USERNAME.

gtk2/ibusimclient.c

@@ -204,7 +204,7 @@ _ibus_im_client_ibus_open (IBusIMClient *client)
     }
 #endif
     if (ibus_addr == NULL) {
-        gchar *display, *host, *id;
+        gchar *display, *host, *id, *username;
         display = g_strdup (g_getenv ("DISPLAY"));
         if (display != NULL) {
             id = host = display;
@@ -219,7 +219,18 @@ _ibus_im_client_ibus_open (IBusIMClient *client)
         else {
             host = id = "";
         }
-        ibus_addr = g_strdup_printf ("unix:path=/tmp/ibus-%s/ibus-%s-%s", getlogin (), host, id);
+        
+        username = getlogin();
+        if (username == NULL)
+            username = getenv("LOGNAME");
+        if (username == NULL)
+            username = getenv("USER");
+        if (username == NULL)
+            username = getenv("LNAME");
+        if (username == NULL)
+            username = getenv("USERNAME");
+
+        ibus_addr = g_strdup_printf ("unix:path=/tmp/ibus-%s/ibus-%s-%s", username, host, id);
         g_free (display);
     }
 

qt4/ibus-client.cpp

@@ -332,6 +332,7 @@ IBusClient::connectToBus ()
 {
 	QString address;
 	QString session;
+	QString username;
 	QDBusConnection *connection = NULL;
 
 	if (ibus != NULL)
@@ -339,7 +340,18 @@ IBusClient::connectToBus ()
 
 	session = getenv ("DISPLAY");
 	session.replace (":", "-");
-	address = QString("unix:path=/tmp/ibus-%1/ibus-%2").arg (getlogin(), session);
+	
+	username = getlogin ();
+	if (username.isNull ())
+		username = getenv ("LOGNAME");
+	if (username.isNull ())
+		username = getenv ("USER");
+	if (username.isNull ())
+		username = getenv ("LNAME");
+	if (username.isNull ())
+		username = getenv ("USERNAME");
+
+	address = QString("unix:path=/tmp/ibus-%1/ibus-%2").arg (username, session);
 	connection = new QDBusConnection (
 		QDBusConnection::connectToBus (
 			address,