error message when hit feature is off but you try to use it; clean up memory on way out.

xwords4/linux/linuxmain.c

@@ -140,6 +140,7 @@ usage( char* appName, char* msg )
 	     "\t [-w pwd]*        # passwd for matching local player\n"
 	     "\t [-v]             # put scoreboard in vertical mode\n"
 	     "\t [-m]             # make the robot duMb (smart is default)\n"
+	     "\t [-l]             # disallow hints\n"
 	     "\t [-c]             # explain robot scores after each move\n"
 	     "\t [-C COOKIE]      # cookie used to groups games on relay\n"
 	     "\t\t # (max of four players total, local and remote)\n"
@@ -654,7 +655,7 @@ main( int argc, char** argv )
 #if defined PLATFORM_GTK
                       "h:I"
 #endif
-                      "kKf:l:n:Nsd:e:r:b:qw:Sit:Umvc"
+                      "kKf:ln:Nsd:e:r:b:qw:Sit:Umvc"
 #ifdef XWFEATURE_RELAY
                       "a:p:C:H"
 #endif
@@ -717,6 +718,9 @@ main( int argc, char** argv )
         case 'm':		/* dumb robot */
             mainParams.gi.robotSmartness = DUMB_ROBOT;
             break;
+        case 'l':
+            mainParams.gi.hintsNotAllowed = XP_TRUE;
+            break;
         case 'n':
             index = mainParams.gi.nPlayers++;
             ++mainParams.nLocalPlayers;
@@ -938,7 +942,7 @@ main( int argc, char** argv )
     }
 
     dict_destroy( mainParams.dict );
-
+    linux_util_vt_destroy( mainParams.util );
     return 0;
 } /* main */
 

xwords4/linux/linuxutl.c

@@ -190,6 +190,12 @@ linux_util_vt_init( MPFORMAL XW_UtilCtxt* util )
 
 }
 
+void
+linux_util_vt_destroy( XW_UtilCtxt* util )
+{
+    XP_FREE( util->mpool, util->vtable );
+}
+
 const XP_UCHAR*
 linux_getErrString( UtilErrID id, XP_Bool* silent )
 {
@@ -247,6 +253,11 @@ linux_getErrString( UtilErrID id, XP_Bool* silent )
         message = "Tile assignment can't be undone.";
         break;
 
+    case ERR_CANT_HINT_WHILE_DISABLED:
+        message = "The hint feature is disabled for this game.  Enable "
+            "it for a new game using the Preferences dialog.";
+        break;
+
 /*     case INFO_REMOTE_CONNECTED: */
 /*         message = "Another device has joined the game"; */
 /*         break; */

xwords4/linux/linuxutl.h

@@ -34,6 +34,7 @@ void linux_debugf(const char*, ...)
 DictionaryCtxt* linux_dictionary_make( MPFORMAL const char* dictFileName );
 
 void linux_util_vt_init( MPFORMAL XW_UtilCtxt* util );
+void linux_util_vt_destroy( XW_UtilCtxt* util );
 
 const XP_UCHAR* linux_getErrString( UtilErrID id, XP_Bool* silent );