[Emacs-diffs] Changes to emacs/src/dispnew.c,v

[Chong Yidong]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Chong Yidong <cyd>      08/05/13 21:19:05

Index: dispnew.c
===================================================================
RCS file: /sources/emacs/emacs/src/dispnew.c,v
retrieving revision 1.405
retrieving revision 1.406
diff -u -b -r1.405 -r1.406
--- dispnew.c   1 May 2008 10:12:50 -0000       1.405
+++ dispnew.c   13 May 2008 21:19:03 -0000      1.406
@@ -5302,11 +5302,14 @@
                 Also flush out if likely to have more than 1k buffered
                 otherwise.   I'm told that some telnet connections get
                 really screwed by more than 1k output at once.  */
-             int outq = PENDING_OUTPUT_COUNT (FRAME_TTY (f)->output);
+             FILE *display_output = FRAME_TTY (f)->output;
+             if (display_output)
+               {
+                 int outq = PENDING_OUTPUT_COUNT (display_output);
              if (outq > 900
                  || (outq > 20 && ((i - 1) % preempt_count == 0)))
                {
-                 fflush (FRAME_TTY (f)->output);
+                     fflush (display_output);
                  if (preempt_count == 1)
                    {
 #ifdef EMACS_OUTQSIZE
@@ -5321,6 +5324,7 @@
                    }
                }
            }
+           }
 
 #if PERIODIC_PREEMPTION_CHECKING
          if (!force_p)