[src/trunk]: src/bin/sh Backtrack `exitstatus' to make the shell really ignor...

[pk <pk%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a52adc5ff821
branches:  trunk
changeset: 477089:a52adc5ff821
user:      pk <pk%NetBSD.org@localhost>
date:      Sun Oct 10 21:22:24 1999 +0000

description:
Backtrack `exitstatus' to make the shell really ignore the status
of `tested commands' as in this example:

        set -e
        true; false && echo "not reached"

diffstat:

 bin/sh/eval.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 3ae731951363 -r a52adc5ff821 bin/sh/eval.c
--- a/bin/sh/eval.c     Sun Oct 10 18:52:03 1999 +0000
+++ b/bin/sh/eval.c     Sun Oct 10 21:22:24 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: eval.c,v 1.47 1999/07/09 03:05:49 christos Exp $       */
+/*     $NetBSD: eval.c,v 1.48 1999/10/10 21:22:24 pk Exp $     */
 
 /*-
  * Copyright (c) 1993
@@ -41,7 +41,7 @@
 #if 0
 static char sccsid[] = "@(#)eval.c     8.9 (Berkeley) 6/8/95";
 #else
-__RCSID("$NetBSD: eval.c,v 1.47 1999/07/09 03:05:49 christos Exp $");
+__RCSID("$NetBSD: eval.c,v 1.48 1999/10/10 21:22:24 pk Exp $");
 #endif
 #endif /* not lint */
 
@@ -210,6 +210,7 @@
                evaltree(n->nbinary.ch1, EV_TESTED);
                if (evalskip || exitstatus != 0) {
                        /* don't bomb out on "set -e; false && true" */
+                       exitstatus = oexitstatus;
                        flags |= EV_TESTED;
                        goto out;
                }