Avoid undefined behavior with huge regexp interval counts.

[gnu-emacs] / src / xterm.h

diff --git a/src/xterm.h b/src/xterm.h
index 3d954fb860007e6a5fe363cdcc825c80ddce6467..eff75403476e951ba3f75dba58885c5759712d17 100644 (file)
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -945,7 +945,9 @@ extern void x_clear_area (Display *, Window, int, int, int, int);
 extern void x_mouse_leave (struct x_display_info *);
 #endif
 
+#if defined USE_X_TOOLKIT || defined USE_MOTIF
 extern int x_dispatch_event (XEvent *, Display *);
+#endif
 extern int x_x_to_emacs_modifiers (struct x_display_info *, int);
 extern int x_display_pixel_height (struct x_display_info *);
 extern int x_display_pixel_width (struct x_display_info *);