Tag unused arguments to callback functions as _X_UNUSED

Gets rid of 33 -Wunused-parameter warnings from clang

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 11 insertions, 6 deletions

diff --git a/xfd.c b/xfd.c
index 7df3ae5..5eae374 100644
--- a/xfd.c
+++ b/xfd.c
@@ -344,7 +344,7 @@ main(int argc, char *argv[])
 
 /*ARGSUSED*/
 static void
-SelectChar(Widget w, XtPointer closure, XtPointer data)
+SelectChar(Widget w, XtPointer closure _X_UNUSED, XtPointer data)
 {
     FontGridCharRec *p = (FontGridCharRec *) data;
     XFontStruct *fs = p->thefont;
@@ -422,7 +422,8 @@ SelectChar(Widget w, XtPointer closure, XtPointer data)
 
 /*ARGSUSED*/
 static void
-do_quit (Widget w, XEvent *event, String *params, Cardinal *num_params)
+do_quit (Widget w _X_UNUSED, XEvent *event _X_UNUSED,
+	 String *params _X_UNUSED, Cardinal *num_params _X_UNUSED)
 {
     exit (0);
 }
@@ -489,14 +490,16 @@ set_button_state(void)
 
 /* ARGSUSED */
 static void
-do_prev16(Widget w, XEvent *event, String *params, Cardinal *num_params)
+do_prev16(Widget w _X_UNUSED, XEvent *event _X_UNUSED,
+	  String *params _X_UNUSED, Cardinal *num_params _X_UNUSED)
 {
     change_page (-16);
 }
 
 
 static void
-do_prev(Widget w, XEvent *event, String *params, Cardinal *num_params)
+do_prev(Widget w _X_UNUSED, XEvent *event _X_UNUSED,
+	String *params _X_UNUSED, Cardinal *num_params _X_UNUSED)
 {
     change_page (-1);
 }
@@ -504,14 +507,16 @@ do_prev(Widget w, XEvent *event, String *params, Cardinal *num_params)
 
 /* ARGSUSED */
 static void
-do_next(Widget w, XEvent *event, String *params, Cardinal *num_params)
+do_next(Widget w _X_UNUSED, XEvent *event _X_UNUSED,
+	String *params _X_UNUSED, Cardinal *num_params _X_UNUSED)
 {
     change_page (1);
 }
 
 /* ARGSUSED */
 static void
-do_next16(Widget w, XEvent *event, String *params, Cardinal *num_params)
+do_next16(Widget w _X_UNUSED, XEvent *event _X_UNUSED,
+	  String *params _X_UNUSED, Cardinal *num_params _X_UNUSED)
 {
     change_page (16);
 }