From: Karl Heuer <kwzh@gnu.org>
Date: Tue, 31 Jan 1995 01:53:55 +0000 (+0000)
Subject: [MULTI_PERDISPLAY] (get_perdisplay): Define this as a macro, for sources that
X-Git-Tag: emacs-19.34~5248
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=0d8b7055ea5d1d06446a12f2864b5d1dc793ebe9;p=emacs.git

[MULTI_PERDISPLAY] (get_perdisplay): Define this as a macro, for sources that
include this header.
[MULTI_PERDISPLAY] (get_perdisplay_macro): Internal macro version.
---

diff --git a/src/xterm.h b/src/xterm.h
index 5d40b1f3fa3..9b90e9536f7 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -305,6 +305,16 @@ extern struct x_display_info *x_display_info_for_display ();
 extern struct x_display_info *x_display_info_for_name ();
 
 extern struct x_display_info *x_term_init ();
+
+#ifdef MULTI_PERDISPLAY
+/* The perdisplay structure itself has to be accessible in files that don't
+   need to know about X.  So we'll define get_perdisplay as a function to
+   retrieve that structure opaquely.  But sources that include this header
+   will automatically get the macro version, and save a function call.  */
+
+#define get_perdisplay_macro(f) (&(f)->display.x->display_info->perdisplay)
+#define get_perdisplay(f) get_perdisplay_macro (f)
+#endif
 
 /* Each X frame object points to its own struct x_display object
    in the display.x field.  The x_display structure contains all