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Path: utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!think!harvard!seismo!brl-tgr!gwyn
From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.bugs.usg
Subject: 5.2.0 printf bugs
Message-ID: <229@brl-tgr.ARPA>
Date: Sun, 28-Jul-85 21:21:08 EDT
Article-I.D.: brl-tgr.229
Posted: Sun Jul 28 21:21:08 1985
Date-Received: Wed, 31-Jul-85 04:17:51 EDT
Distribution: net
Organization: Ballistic Research Lab
Lines: 19

Some time ago, I posted bug fixes for UNIX System V Release 2.0
*printf.c sources, involving changing a bogus | bit-test into an &.
I just discovered that these fixes were incomplete; there were TWO
such coding errors per source file, and I had missed the second.

For example, from fprintf.c:

/*	@(#)fprintf.c	1.5	*/
...
	if (!(iop->_flag & _IOWRT)) {	/* DAG -- bug fix (was |) */
...
		if (iop->_flag & _IORW) {	/* DAG -- bug fix (was |) */
...

These are in addition to the bug fixes posted by Phil Chadwick,
which I believe are correct (but I'm still looking at them).

All BRL UNIX System V emulation for 4.2BSD packages mailed before
today (not to mention real UNIX System V systems) have these bugs..