Use (void) to declare functions that take no arguments, instead of ()

It's time for C89.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by:  <wharms@bfs.de>

11 files changed, 48 insertions, 47 deletions

diff --git a/src/add_window.c b/src/add_window.c
index 72aa0aa..984e17b 100644
--- a/src/add_window.c
+++ b/src/add_window.c
@@ -981,7 +981,7 @@ static void do_add_binding (int button, int context, int modifier, int func)
 }
 
 void
-AddDefaultBindings ()
+AddDefaultBindings (void)
 {
     /*
      * The bindings are stored in Scr->Mouse, indexed by
@@ -1161,7 +1161,7 @@ static Window CreateHighlightWindow (TwmWindow *tmp_win)
 }
 
 
-void ComputeCommonTitleOffsets ()
+void ComputeCommonTitleOffsets (void)
 {
     int buttonwidth = (Scr->TBInfo.width + Scr->TBInfo.pad);
 
diff --git a/src/events.c b/src/events.c
index dbc94dc..2d76b19 100644
--- a/src/events.c
+++ b/src/events.c
@@ -137,7 +137,7 @@ void SetRaiseWindow (TwmWindow *tmp)
  * initialize the event jump table.
  */
 void
-InitEvents()
+InitEvents(void)
 {
     int i;
 
@@ -268,7 +268,7 @@ Window WindowOfEvent (XEvent *e)
  *      handle a single X event stored in global var Event
  * this routine for is for a call during an f.move
  */
-Bool DispatchEvent2 ()
+Bool DispatchEvent2 (void)
 {
     Window w = Event.xany.window;
     XPointer context_data;
@@ -299,7 +299,7 @@ Bool DispatchEvent2 ()
 /**
  * handle a single X event stored in global var Event
  */
-Bool DispatchEvent ()
+Bool DispatchEvent (void)
 {
     Window w = Event.xany.window;
     XPointer context_data;
@@ -330,7 +330,7 @@ Bool DispatchEvent ()
  * handle X events
  */
 void
-HandleEvents()
+HandleEvents(void)
 {
     while (TRUE)
     {
@@ -364,7 +364,7 @@ HandleEvents()
  *
  */
 void
-HandleColormapNotify()
+HandleColormapNotify(void)
 {
     XColormapEvent *cevent = (XColormapEvent *) &Event;
     ColormapWindow *cwin, **cwins;
@@ -524,7 +524,7 @@ HandleColormapNotify()
  *
  */
 void
-HandleVisibilityNotify()
+HandleVisibilityNotify(void)
 {
     XVisibilityEvent *vevent = (XVisibilityEvent *) &Event;
     ColormapWindow *cwin;
@@ -561,7 +561,7 @@ int MovedFromKeyPress = False;
  * key press event handler
  */
 void
-HandleKeyPress()
+HandleKeyPress(void)
 {
     KeySym ks;
     FuncKey *key;
@@ -734,7 +734,7 @@ free_cwins (TwmWindow *tmp)
  * property notify event handler
  */
 void
-HandlePropertyNotify()
+HandlePropertyNotify(void)
 {
     char *name = NULL;
     unsigned long valuemask;		/* mask for create windows */
@@ -943,7 +943,7 @@ HandlePropertyNotify()
  * procedure to re-position the icon window and name
  */
 void
-RedoIconName()
+RedoIconName(void)
 {
     int x, y;
 
@@ -1006,7 +1006,7 @@ RedoIconName()
  *client message event handler
  */
 void
-HandleClientMessage()
+HandleClientMessage(void)
 {
     if (Event.xclient.message_type == _XA_WM_CHANGE_STATE)
     {
@@ -1035,7 +1035,7 @@ HandleClientMessage()
  * expose event handler
  */
 void
-HandleExpose()
+HandleExpose(void)
 {
     XPointer context_data;
 
@@ -1164,7 +1164,7 @@ static void remove_window_from_ring (TwmWindow *tmp)
  * DestroyNotify event handler
  */
 void
-HandleDestroyNotify()
+HandleDestroyNotify(void)
 {
     int i;
 
@@ -1262,7 +1262,7 @@ HandleDestroyNotify()
 
 
 void
-HandleCreateNotify()
+HandleCreateNotify(void)
 {
 #ifdef DEBUG_EVENTS
     fprintf(stderr, "CreateNotify w = 0x%x\n", Event.xcreatewindow.window);
@@ -1278,7 +1278,7 @@ HandleCreateNotify()
  *	HandleMapRequest - MapRequest event handler
  */
 void
-HandleMapRequest()
+HandleMapRequest(void)
 {
     XPointer context_data;
     int zoom_save;
@@ -1362,7 +1362,7 @@ void SimulateMapRequest (w)
  *	MapNotify event handler
  */
 void
-HandleMapNotify()
+HandleMapNotify(void)
 {
     if (Tmp_win == NULL)
 	return;
@@ -1396,7 +1396,7 @@ HandleMapNotify()
  * UnmapNotify event handler
  */
 void
-HandleUnmapNotify()
+HandleUnmapNotify(void)
 {
     int dstx, dsty;
     Window dumwin;
@@ -1464,7 +1464,7 @@ HandleUnmapNotify()
  * MotionNotify event handler
  */
 void
-HandleMotionNotify()
+HandleMotionNotify(void)
 {
     XPointer context_data;
 
@@ -1494,7 +1494,7 @@ HandleMotionNotify()
  * ButtonRelease event handler
  */
 void
-HandleButtonRelease()
+HandleButtonRelease(void)
 {
     int xl, xr, yt, yb, w, h;
     unsigned mask;
@@ -1705,7 +1705,7 @@ do_menu (MenuRoot *menu, Window w)
  * ButtonPress event handler
  */
 void
-HandleButtonPress()
+HandleButtonPress(void)
 {
     unsigned int modifier;
     Cursor cur;
@@ -1983,7 +1983,7 @@ HENQueueScanner(Display *dpy, XEvent *ev, char *args)
  * EnterNotify event handler
  */
 void
-HandleEnterNotify()
+HandleEnterNotify(void)
 {
     MenuRoot *mr;
     XEnterWindowEvent *ewp = &Event.xcrossing;
@@ -2171,7 +2171,7 @@ HLNQueueScanner(Display *dpy, XEvent *ev, char *args)
  * LeaveNotify event handler
  */
 void
-HandleLeaveNotify()
+HandleLeaveNotify(void)
 {
     HLNScanArgs scanArgs;
     XEvent dummy;
@@ -2246,7 +2246,7 @@ HandleLeaveNotify()
  *	HandleConfigureRequest - ConfigureRequest event handler
  */
 void
-HandleConfigureRequest()
+HandleConfigureRequest(void)
 {
     XWindowChanges xwc;
     unsigned long xwcm;
@@ -2380,7 +2380,7 @@ HandleConfigureRequest()
  * shape notification event handler
  */
 void
-HandleShapeNotify ()
+HandleShapeNotify (void)
 {
     XShapeEvent	    *sev = (XShapeEvent *) &Event;
 
@@ -2402,7 +2402,7 @@ HandleShapeNotify ()
  * unknown event handler
  */
 void
-HandleUnknown()
+HandleUnknown(void)
 {
 #ifdef DEBUG_EVENTS
     fprintf(stderr, "type = %d\n", Event.type);
@@ -2581,7 +2581,7 @@ InstallWindowColormaps (int type, TwmWindow *tmp)
  *	   other colormap list would potentially be loaded anyway.
  */
 void
-InstallRootColormap()
+InstallRootColormap(void)
 {
     TwmWindow *tmp;
     if (Scr->cmapInfo.root_pushes == 0) {
@@ -2617,7 +2617,7 @@ UninstallRootColormapQScanner(Display *dpy, XEvent *ev, char *args)
 
 
 void
-UninstallRootColormap()
+UninstallRootColormap(void)
 {
     char args;
     XEvent dummy;
diff --git a/src/gc.c b/src/gc.c
index a1cb613..11aca71 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -69,7 +69,7 @@ in this Software without prior written authorization from The Open Group.
  *		    want to do this once, hence the first_time flag.
  */
 void
-CreateGCs()
+CreateGCs(void)
 {
     static ScreenInfo *prevScr = NULL;
     XGCValues	    gcv;
diff --git a/src/gram.y b/src/gram.y
index dac77f4..728297d 100644
--- a/src/gram.y
+++ b/src/gram.y
@@ -874,7 +874,7 @@ static Bool CheckColormapArg (char *s)
 
 
 void
-twmrc_error_prefix ()
+twmrc_error_prefix (void)
 {
     fprintf (stderr, "%s:  line %d:  ", ProgramName, yylineno);
 }
diff --git a/src/iconmgr.c b/src/iconmgr.c
index b4827ad..8b1a584 100644
--- a/src/iconmgr.c
+++ b/src/iconmgr.c
@@ -54,7 +54,8 @@ int iconifybox_height = siconify_height;
 /**
  * create all the icon manager windows for this screen.
  */
-void CreateIconManagers()
+void
+CreateIconManagers(void)
 {
     IconMgr *p;
     int mask;
diff --git a/src/icons.c b/src/icons.c
index 6ba8066..d03f918 100644
--- a/src/icons.c
+++ b/src/icons.c
@@ -316,7 +316,7 @@ FreeIconEntries (IconRegion *ir)
 }
 
 void
-FreeIconRegions()
+FreeIconRegions(void)
 {
     IconRegion *ir, *tmp;
 
diff --git a/src/menus.c b/src/menus.c
index cb6cb5b..06b345b 100644
--- a/src/menus.c
+++ b/src/menus.c
@@ -124,7 +124,7 @@ static void send_clientmessage ( Window w, Atom a, Time timestamp );
  * initialize menu roots
  */
 void
-InitMenus()
+InitMenus(void)
 {
     int i, j, k;
     FuncKey *key, *tmp;
@@ -283,7 +283,7 @@ int CreateTitleButton (const char *name, int func, const char *action,
  * the button, then put in a question; if we can't find the question mark,
  * something is wrong and we are probably going to be in trouble later on.
  */
-void InitTitlebarButtons ()
+void InitTitlebarButtons (void)
 {
     TitleButton *tb;
     int h;
@@ -472,7 +472,7 @@ PaintMenu(MenuRoot *mr, XEvent *e)
 static Bool fromMenu;
 
 void
-UpdateMenu()
+UpdateMenu(void)
 {
     MenuItem *mi;
     int i, x, y, x_root, y_root, entry;
@@ -741,7 +741,7 @@ AddToMenu(MenuRoot *menu, const char *item, const char *action,
 
 
 void
-MakeMenus()
+MakeMenus(void)
 {
     MenuRoot *mr;
 
@@ -1082,7 +1082,7 @@ PopUpMenu (MenuRoot *menu, int x, int y, Bool center)
  * unhighlight the current menu selection and take down the menus
  */
 void
-PopDownMenu()
+PopDownMenu(void)
 {
     MenuRoot *tmp;
 
@@ -2275,7 +2275,7 @@ DeferExecution(int context, int func, Cursor cursor)
  *regrab the pointer with the LastCursor;
  */
 void
-ReGrab()
+ReGrab(void)
 {
     XGrabPointer(dpy, Scr->Root, True,
 	ButtonPressMask | ButtonReleaseMask,
@@ -2398,7 +2398,7 @@ Execute(const char *s)
  * put input focus on the root window.
  */
 void
-FocusOnRoot()
+FocusOnRoot(void)
 {
     SetFocus ((TwmWindow *) NULL, LastTimestamp());
     if (Scr->Focus != NULL)
@@ -2784,7 +2784,7 @@ BumpWindowColormap (TwmWindow *tmp, int inc)
 
 
 void
-HideIconManager ()
+HideIconManager (void)
 {
     SetMapStateProp (Scr->iconmgr.twm_win, WithdrawnState);
     XUnmapWindow(dpy, Scr->iconmgr.twm_win->frame);
diff --git a/src/parse.c b/src/parse.c
index ebdb9c1..e565ad5 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -235,7 +235,7 @@ int ParseStringList (unsigned char **sl)
  *
  *  \return the next input character
  */
-static int twmFileInput()
+static int twmFileInput(void)
 {
     if (overflowlen) return (int) overflowbuff[--overflowlen];
 
@@ -250,7 +250,7 @@ static int twmFileInput()
     return ((int)buff[ptr++]);
 }
 
-static int twmStringListInput()
+static int twmStringListInput(void)
 {
     if (overflowlen) return (int) overflowbuff[--overflowlen];
 
@@ -1007,7 +1007,7 @@ do_var_savecolor(int key)
  *                        in the root window property.
  */
 void
-assign_var_savecolor()
+assign_var_savecolor(void)
 {
   Cptr cp = chead;
   while (cp != NULL) {
diff --git a/src/resize.c b/src/resize.c
index 4ca5eea..871be89 100644
--- a/src/resize.c
+++ b/src/resize.c
@@ -523,7 +523,7 @@ DisplaySize(TwmWindow *tmp_win, int width, int height)
  * finish the resize operation
  */
 void
-EndResize()
+EndResize(void)
 {
     TwmWindow *tmp_win;
 
diff --git a/src/twm.c b/src/twm.c
index 5d8cab3..7a30aad 100644
--- a/src/twm.c
+++ b/src/twm.c
@@ -683,7 +683,7 @@ main(int argc, char *argv[])
  * initialize twm variables
  */
 void
-InitVariables()
+InitVariables(void)
 {
     FreeList(&Scr->BorderColorL);
     FreeList(&Scr->IconBorderColorL);
@@ -832,7 +832,7 @@ InitVariables()
 }
 
 void
-CreateFonts ()
+CreateFonts (void)
 {
     GetFont(&Scr->TitleBarFont);
     GetFont(&Scr->MenuFont);
diff --git a/src/util.c b/src/util.c
index 9cbac40..efed81f 100644
--- a/src/util.c
+++ b/src/util.c
@@ -443,7 +443,7 @@ RemoveRGBColormap (Atom a)
 }
 
 void
-LocateStandardColormaps()
+LocateStandardColormaps(void)
 {
     Atom *atoms;
     int natoms;