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>

2 files changed, 23 insertions, 15 deletions

diff --git a/grid.c b/grid.c
index 4aff728..caa7743 100644
--- a/grid.c
+++ b/grid.c
@@ -409,7 +409,8 @@ static XtConvertArgRec xftColorConvertArgs[] = {
 	} while (0)
 
 static void
-XmuFreeXftColor (XtAppContext app, XrmValuePtr toVal, XtPointer closure,
+XmuFreeXftColor (XtAppContext app, XrmValuePtr toVal,
+		 XtPointer closure _X_UNUSED,
 		 XrmValuePtr args, Cardinal *num_args)
 {
     Screen	*screen;
@@ -439,7 +440,7 @@ static Boolean
 XmuCvtStringToXftColor(Display *dpy,
 		       XrmValue *args, Cardinal *num_args,
 		       XrmValue *fromVal, XrmValue *toVal,
-		       XtPointer *converter_data)
+		       XtPointer *converter_data _X_UNUSED)
 {
     char	    *spec;
     XRenderColor    renderColor;
@@ -489,7 +490,7 @@ XmuCvtStringToXftColor(Display *dpy,
 }
 
 static void
-XmuFreeXftFont (XtAppContext app, XrmValuePtr toVal, XtPointer closure,
+XmuFreeXftFont (XtAppContext app, XrmValuePtr toVal, XtPointer closure _X_UNUSED,
 		XrmValuePtr args, Cardinal *num_args)
 {
     Screen  *screen;
@@ -515,7 +516,7 @@ static Boolean
 XmuCvtStringToXftFont(Display *dpy,
 		      XrmValue *args, Cardinal *num_args,
 		      XrmValue *fromVal, XrmValue *toVal,
-		      XtPointer *converter_data)
+		      XtPointer *converter_data _X_UNUSED)
 {
     char    *name;
     XftFont *font;
@@ -571,7 +572,8 @@ ClassInitialize(void)
 
 
 static void
-Initialize(Widget request, Widget new, ArgList args, Cardinal *num_args)
+Initialize(Widget request, Widget new,
+           ArgList args _X_UNUSED, Cardinal *num_args _X_UNUSED)
 {
     FontGridWidget reqfg = (FontGridWidget) request;
     FontGridWidget newfg = (FontGridWidget) new;
@@ -684,7 +686,7 @@ Resize(Widget gw)
 
 /* ARGSUSED */
 static void
-Redisplay(Widget gw, XEvent *event, Region region)
+Redisplay(Widget gw, XEvent *event _X_UNUSED, Region region)
 {
     FontGridWidget fgw = (FontGridWidget) gw;
     XRectangle rect;			/* bounding rect for region */
@@ -880,8 +882,8 @@ PageBlank (Widget w, long first, long last)
 
 /*ARGSUSED*/
 static Boolean
-SetValues(Widget current, Widget request, Widget new,
-	  ArgList args, Cardinal *num_args)
+SetValues(Widget current, Widget request _X_UNUSED, Widget new,
+	  ArgList args _X_UNUSED, Cardinal *num_args _X_UNUSED)
 {
     FontGridWidget curfg = (FontGridWidget) current;
     FontGridWidget newfg = (FontGridWidget) new;
@@ -943,7 +945,8 @@ SetValues(Widget current, Widget request, Widget new,
 
 /* ARGSUSED */
 static void
-Notify(Widget gw, XEvent *event, String *params, Cardinal *nparams)
+Notify(Widget gw, XEvent *event,
+       String *params _X_UNUSED, Cardinal *nparams _X_UNUSED)
 {
     FontGridWidget fgw = (FontGridWidget) gw;
     int x, y;				/* where the event happened */
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);
 }