Omit some unnecessary casts.

[bpt/emacs.git] / src / xfns.c

diff --git a/src/xfns.c b/src/xfns.c
index a1e9e91..4f728ad 100644 (file)
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -2313,12 +2313,7 @@ x_window (struct frame *f, long window_prompting, int minibuffer_only)
      for the window manager, so GC relocation won't bother it.
 
      Elsewhere we specify the window name for the window manager.  */
-
-  {
-    char *str = SSDATA (Vx_resource_name);
-    f->namebuf = xmalloc (strlen (str) + 1);
-    strcpy (f->namebuf, str);
-  }
+  f->namebuf = xstrdup (SSDATA (Vx_resource_name));
 
   ac = 0;
   XtSetArg (al[ac], XtNallowShellResize, 1); ac++;
@@ -2336,12 +2331,8 @@ x_window (struct frame *f, long window_prompting, int minibuffer_only)
   /* maybe_set_screen_title_format (shell_widget); */
 
   pane_widget = lw_create_widget ("main", "pane", widget_id_tick++,
-                                 (widget_value *) NULL,
-                                 shell_widget, False,
-                                 (lw_callback) NULL,
-                                 (lw_callback) NULL,
-                                 (lw_callback) NULL,
-                                 (lw_callback) NULL);
+                                 NULL, shell_widget, False,
+                                 NULL, NULL, NULL, NULL);
 
   ac = 0;
   XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
@@ -2488,8 +2479,7 @@ x_window (struct frame *f, long window_prompting, int minibuffer_only)
      */
   XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget),
                   FRAME_X_DISPLAY_INFO (f)->Xatom_wm_protocols,
-                  XA_ATOM, 32, PropModeAppend,
-                  (unsigned char*) NULL, 0);
+                  XA_ATOM, 32, PropModeAppend, NULL, 0);
 
   /* Make all the standard events reach the Emacs frame.  */
   attributes.event_mask = STANDARD_EVENT_SET;
@@ -4014,7 +4004,7 @@ x_get_monitor_attributes_xinerama (struct x_display_info *dpyinfo)
                        / x_display_pixel_width (dpyinfo));
   mm_height_per_pixel = ((double) HeightMMOfScreen (dpyinfo->screen)
                         / x_display_pixel_height (dpyinfo));
-  monitors = (struct MonitorInfo *) xzalloc (n_monitors * sizeof (*monitors));
+  monitors = xzalloc (n_monitors * sizeof *monitors);
   for (i = 0; i < n_monitors; ++i)
     {
       struct MonitorInfo *mi = &monitors[i];
@@ -4074,7 +4064,7 @@ x_get_monitor_attributes_xrandr (struct x_display_info *dpyinfo)
       return Qnil;
     }
   n_monitors = resources->noutput;
-  monitors = (struct MonitorInfo *) xzalloc (n_monitors * sizeof (*monitors));
+  monitors = xzalloc (n_monitors * sizeof *monitors);
 
 #ifdef HAVE_XRRGETOUTPUTPRIMARY
   pxid = XRRGetOutputPrimary (dpy, dpyinfo->root_window);
@@ -4230,7 +4220,7 @@ Internal use only, use `display-monitor-attributes-list' instead.  */)
 #endif
   n_monitors = gdk_screen_get_n_monitors (gscreen);
   monitor_frames = Fmake_vector (make_number (n_monitors), Qnil);
-  monitors = (struct MonitorInfo *) xzalloc (n_monitors * sizeof (*monitors));
+  monitors = xzalloc (n_monitors * sizeof *monitors);
 
   FOR_EACH_FRAME (rest, frame)
     {
@@ -4468,8 +4458,7 @@ x_display_info_for_name (Lisp_Object name)
 
   validate_x_resource_name ();
 
-  dpyinfo = x_term_init (name, (char *)0,
-                        SSDATA (Vx_resource_name));
+  dpyinfo = x_term_init (name, 0, SSDATA (Vx_resource_name));
 
   if (dpyinfo == 0)
     error ("Cannot connect to X server %s", SDATA (name));
@@ -4502,10 +4491,7 @@ terminate Emacs if we can't open the connection.
     error ("Not using X Windows"); /* That doesn't stop us anymore. */
 #endif
 
-  if (! NILP (xrm_string))
-    xrm_option = SSDATA (xrm_string);
-  else
-    xrm_option = (char *) 0;
+  xrm_option = NILP (xrm_string) ? 0 : SSDATA (xrm_string);
 
   validate_x_resource_name ();
 
@@ -5729,8 +5715,8 @@ DEFUN ("x-uses-old-gtk-dialog", Fx_uses_old_gtk_dialog,
 static void
 file_dialog_cb (Widget widget, XtPointer client_data, XtPointer call_data)
 {
-  int *result = (int *) client_data;
-  XmAnyCallbackStruct *cb = (XmAnyCallbackStruct *) call_data;
+  int *result = client_data;
+  XmAnyCallbackStruct *cb = call_data;
   *result = cb->reason;
 }
 
@@ -5743,7 +5729,7 @@ file_dialog_cb (Widget widget, XtPointer client_data, XtPointer call_data)
 static void
 file_dialog_unmap_cb (Widget widget, XtPointer client_data, XtPointer call_data)
 {
-  int *result = (int *) client_data;
+  int *result = client_data;
   *result = XmCR_CANCEL;
 }