[src/netbsd-6]: src/bin/sh Pull up following revision(s) (requested by dholla...

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

details:   https://anonhg.NetBSD.org/src/rev/8f8503db806c
branches:  netbsd-6
changeset: 777123:8f8503db806c
user:      snj <snj%NetBSD.org@localhost>
date:      Wed Nov 16 17:53:57 2016 +0000

description:
Pull up following revision(s) (requested by dholland in ticket #1412):
        bin/sh/exec.c: revision 1.45
        bin/sh/var.c: revision 1.43
PR/48312: Dieter Roelants: According to TOG, unset should not return an error
for functions are variables that were not previously set:
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html

diffstat:

 bin/sh/exec.c |  7 +++----
 bin/sh/var.c  |  8 ++++----
 2 files changed, 7 insertions(+), 8 deletions(-)

diffs (60 lines):

diff -r ac9388a9b375 -r 8f8503db806c bin/sh/exec.c
--- a/bin/sh/exec.c     Sun Nov 13 06:50:10 2016 +0000
+++ b/bin/sh/exec.c     Wed Nov 16 17:53:57 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: exec.c,v 1.42 2008/10/16 15:31:05 dholland Exp $       */
+/*     $NetBSD: exec.c,v 1.42.20.1 2016/11/16 17:53:57 snj Exp $       */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)exec.c     8.4 (Berkeley) 6/8/95";
 #else
-__RCSID("$NetBSD: exec.c,v 1.42 2008/10/16 15:31:05 dholland Exp $");
+__RCSID("$NetBSD: exec.c,v 1.42.20.1 2016/11/16 17:53:57 snj Exp $");
 #endif
 #endif /* not lint */
 
@@ -944,9 +944,8 @@
            cmdp->cmdtype == CMDFUNCTION) {
                freefunc(cmdp->param.func);
                delete_cmd_entry();
-               return (0);
        }
-       return (1);
+       return 0;
 }
 
 /*
diff -r ac9388a9b375 -r 8f8503db806c bin/sh/var.c
--- a/bin/sh/var.c      Sun Nov 13 06:50:10 2016 +0000
+++ b/bin/sh/var.c      Wed Nov 16 17:53:57 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.40 2011/06/18 21:18:46 christos Exp $        */
+/*     $NetBSD: var.c,v 1.40.4.1 2016/11/16 17:53:57 snj Exp $ */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)var.c      8.3 (Berkeley) 5/4/95";
 #else
-__RCSID("$NetBSD: var.c,v 1.40 2011/06/18 21:18:46 christos Exp $");
+__RCSID("$NetBSD: var.c,v 1.40.4.1 2016/11/16 17:53:57 snj Exp $");
 #endif
 #endif /* not lint */
 
@@ -753,10 +753,10 @@
 
        vp = find_var(s, &vpp, NULL);
        if (vp == NULL)
-               return 1;
+               return 0;
 
        if (vp->flags & VREADONLY)
-               return (1);
+               return 1;
 
        INTOFF;
        if (unexport) {