Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!uunet!husc6!hao!oddjob!gargoyle!jpusa1!news
From: news@jpusa1.UUCP (usenet)
Newsgroups: comp.bugs.sys5,comp.bugs.4bsd,comp.bugs.misc
Subject: Obscure bug in ci,co,rcs
Message-ID: <317@jpusa1.UUCP>
Date: Wed, 26-Aug-87 21:44:19 EDT
Article-I.D.: jpusa1.317
Posted: Wed Aug 26 21:44:19 1987
Date-Received: Sat, 29-Aug-87 05:54:07 EDT
Reply-To: stu@jpusa1.UUCP (Stu Heiss)
Organization: JPUSA - Chicago, IL
Lines: 46
Xref: mnetor comp.bugs.sys5:177 comp.bugs.4bsd:507 comp.bugs.misc:63

An obscure bug surfaced when trying to co a bunch of
files.  The variable 'linecorr' is not initialized to
0 for each file.  This will cause editstring to break
if linecorr happened to be < 0 at the end of doing the
last file.  Following are diffs to rcs.c and rcsgen.c

*** /tmp/,RCSt1a11512	Wed Aug 26 19:06:54 1987
--- rcs.c	Wed Aug 26 18:45:44 1987
***************
*** 504,509
                  /* no revision deleted */
                  fastcopy(finptr,frewrite);
              } else {
                  if ( cuttail )
                      buildeltatext(gendeltas);
                  else

--- 504,510 -----
                  /* no revision deleted */
                  fastcopy(finptr,frewrite);
              } else {
+ 		extern int linecorr; linecorr = 0;
                  if ( cuttail )
                      buildeltatext(gendeltas);
                  else
*** /tmp/,RCSt1a11526	Wed Aug 26 19:08:47 1987
--- rcsgen.c	Wed Aug 26 18:47:37 1987
***************
*** 94,99
   */
  {
          int i;
  
          if (deltas[0]==target) {
                  /* only latest revision to generate */

--- 94,100 -----
   */
  {
          int i;
+ 	extern int linecorr; linecorr = 0;
  
          if (deltas[0]==target) {
                  /* only latest revision to generate */
--
Stu Heiss {gargoyle,ihnp4}!jpusa1!stu