Lng, return status from get()

src/lib/co/src/co_lng.cpp

@@ -562,24 +562,26 @@ void Lng::get_uid( char *in, char *out)
   strcpy( out, result);
 }
 
-void Lng::set( char *language) 
+pwr_tStatus Lng::set( char *language) 
 { 
   pwr_tStatus sts;
 
   lng_eLanguage l = str_to_lang( language);
   if ( l != lng_eLanguage_) {
     sts = set( l);
-    if ( EVEN(sts)) return;
+    if ( EVEN(sts)) return sts;
   }
   setlocale( LC_ALL, lang_to_locale( l));
   setlocale( LC_NUMERIC, "POSIX");
   setlocale( LC_TIME, "en_US");
+
+  return 1;
 }
 
 pwr_tStatus Lng::set( lng_eLanguage language) 
 { 
   if ( lang == language)
-    return 1;
+    return LNG__ALREADYSET;
 
   if ( language == lng_eLanguage_en_US) {
     lang = language;

src/lib/co/src/co_lng.h

@@ -286,7 +286,7 @@ class Lng {
     static void unload();
     static pwr_tStatus set( lng_eLanguage language);
     static lng_eLanguage current() { return lang;}
-    static void set( char *language);
+    static pwr_tStatus set( char *language);
     static char *get( int item)
       { return items[lang][item];}
     static char *get( lng_eLanguage language, int item)

src/msg/co/src/co_lng_msg.msg

@@ -44,5 +44,6 @@ eof		<End of file>						/error
 diffcoding	<Coding of global and local translationfiles differ>	/error
 file		<Unable to open file>					/error
 includemismatch	<Include statement mismatch>				/error
+alreadyset	<Specified language already set>			/error
 
 .end

xtt/lib/xtt/src/xtt_xnav_command.cpp

@@ -1044,6 +1044,7 @@ static int	xnav_set_func(	void		*client_data,
   {    
     char language_str[80];
     ApplListElem *elem;
+    pwr_tStatus sts;
 
     // Command is "SET LANGUAGE"
     if ( EVEN( dcli_get_qualifier( "dcli_arg2", language_str, sizeof(language_str)))) {
@@ -1051,8 +1052,12 @@ static int	xnav_set_func(	void		*client_data,
       return XNAV__HOLDCOMMAND;
     }
     cdh_ToLower( language_str, language_str);
-    Lng::set( language_str);
-
+    sts = Lng::set( language_str);
+    if ( EVEN(sts)) {
+      xnav->message(' ', XNav::get_message(sts));
+      return XNAV__SUCCESS;
+    }
+    
     // Set new coding to all graphs
     for ( elem = xnav->appl.root; elem; elem = elem->next) {
       if ( elem->type == applist_eType_Graph)