Path: utzoo!utstat!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!alembic!csu
From: csu@alembic.acs.com (Dave Mack)
Newsgroups: news.software.b
Subject: Re: overflow message in RN
Keywords: rn
Message-ID: <1989Nov19.065842.2745@alembic.acs.com>
Date: 19 Nov 89 06:58:42 GMT
References: <3678@devon.LNS.PA.US>
Reply-To: csu@alembic.acs.com (Dave Mack)
Distribution: na
Organization: Alembic Computer Services, McLean VA
Lines: 77
Uucp-Path: uunet!alembic!csu

In article <3678@devon.LNS.PA.US> paul@devon.LNS.PA.US (Paul Sutcliffe Jr.) writes:
>[ RN 4.3, patchlevel 40: ]
>
>When I first ported RN (several years ago) to my system, I would
>occasionally get the message
>
>	% interp buffer overflow!
>
>when attempting to (F)ollowup to an article.  I asked the net for
>a fix, and one was given.  However, I no longer remember what the
>fix was, and (you guessed it) now that I've recompiled RN, I'm
>getting the error again.
>
>Will anyone who remembers the fix for this please send me e-mail?

Arrrrrgh.

Apply this patch. It works. Given C News message IDs, everyone will need it 
very soon. It provides a 2k buffer for the references line. This should
prevent this problem for the next couple of months.

Courtesy of Joe Buck:

Index: respond.c
Prereq: 4.3.1.5
*** OLDrespond.c	Wed Sep 18 01:11:37 1985
--- respond.c	Tue May  2 13:50:39 1989
***************
*** 1,6 ****
! /* $Header: respond.c,v 4.3.1.5 85/09/10 11:05:00 lwall Exp $
   *
   * $Log:	respond.c,v $
   * Revision 4.3.1.5  85/09/10  11:05:00  lwall
   * Improved %m in in_char().
   * 
--- 1,10 ----
! /* $Header: respond.c,v 4.3.1.5+JTB 89/04/02 13:44:00 jbuck Exp $
   *
   * $Log:	respond.c,v $
+  *
+  * Revision 4.3.1.5+JTB 89/05/02 13:44:00 jbuck
+  * Made a separate, quadruple-size buffer for header in followup.
+  *
   * Revision 4.3.1.5  85/09/10  11:05:00  lwall
   * Improved %m in in_char().
   * 
***************
*** 354,359 ****
--- 358,364 ----
  followup()
  {
      bool incl_body = (*buf == 'F');
+     char hbuf[4*LBUFLEN];	/* four times the old size */
  
      artopen(art);
      tmpfp = fopen(headname,"w");
***************
*** 361,368 ****
  	printf(cantcreate,headname) FLUSH;
  	return;
      }
!     interp(buf, (sizeof buf), getval("NEWSHEADER",NEWSHEADER));
!     fprintf(tmpfp,"%s",buf);
      if (incl_body && artfp != Nullfp) {
  #ifdef VERBOSE
  	if (verbose)
--- 366,373 ----
  	printf(cantcreate,headname) FLUSH;
  	return;
      }
!     interp(hbuf, (sizeof hbuf), getval("NEWSHEADER",NEWSHEADER));
!     fprintf(tmpfp,"%s",hbuf);
      if (incl_body && artfp != Nullfp) {
  #ifdef VERBOSE
  	if (verbose)
-- 
-- Joe Buck	jbuck@epimass.epi.com, uunet!epimass.epi.com!jbuck