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From: larry@kitty.UUCP (Larry Lippman)
Newsgroups: net.news.b,net.news.adm
Subject: History subfiles in 2.10.3 news
Message-ID: <850@kitty.UUCP>
Date: Wed, 26-Feb-86 21:04:55 EST
Article-I.D.: kitty.850
Posted: Wed Feb 26 21:04:55 1986
Date-Received: Sat, 1-Mar-86 03:35:43 EST
Organization: Recognition Research Corp., Clarence, NY
Lines: 54
Keywords: 2.10.3 history files
Xref: watmath net.news.b:1302 net.news.adm:525


	A few days ago, I installed news 2.10.3 to replace news 2.10.2 on a
3B2 running System V Release 2.2.  This particular news version just came from
seismo, and is supposed to be the most recent and debugged version of 2.10.3.
The conversion went reasonably well, so far I have found no bugs, and the
rnews(inews) and expire functions seem to run MUCH faster than with the 2.10.2
version.
	But something is bothering the hell outta me...  Since I manually did
the install.sh functions (so as not to wipe out any article data), I had to
create a history directory called history.d, in which the news automatically
installed ten hashed files named ``0'' through ``9''.  If I were to remove
this directory, then I would get a duplicate history file line for each article
and expire will barf an error message.  With the directory installed, all
functions work okay.
	Except that I have seen the 2.10.3 beta version of news installed on 
systems running System V, and there is NO history.d directory and history
subfiles.  So I read the doc's again.

---
From install.mn document:
history.dir,history.pag

	These two files are used on V7 systems as a hashed version of history,
containing the message id's of all articles in history.  They are only used if
-DDBM and -ldbm appear in Makefile .
---

	No where in my Makefile did I have DBM defined.  The localize.usg file
removes the DBM lines from Makefile.dst to create Makefile - which is fine,
since I am not running V7.  So I grepped through the source.

---
From expire.c:
#ifndef DBM
	/* rebuild history subfiles */
	for (i = 0; i < 10; i++) {
		(void) sprintf(fn, "%s.d/%c", ARTFILE, i + '0');
		close(creat(fn, 0644));
		subfd[i] = xfopen(fn, "w+");
	}
	...
#endif /* !DBM */
---
	Now wait a minute!  This is contradictory to what the installation
document infers.  Other source modules also tell me that I am going to have
the history subfiles even though I am not running V7.
	Does anyone know what is going on here???

==>  Larry Lippman @ Recognition Research Corp., Clarence, New York        <==
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