From 12914ffb8af4f850637ee92bc2997218de6a179c Mon Sep 17 00:00:00 2001

From: Peter Stephenson <pws@zsh.org>

Date: Tue, 6 Oct 2015 09:28:07 +0100

Subject: [PATCH] 36780: Fix crash in ksh mode with -n and $HOME.

If home variable is NULL ensure HOME is unset.

Upstream-commit: 83a175795a444e8169fcb592a110d4d15a09b907

Signed-off-by: Kamil Dudka <kdudka@redhat.com>

---

 Src/params.c | 13 +++++++------

 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/Src/params.c b/Src/params.c

index de151a4..a8abb28 100644

--- a/Src/params.c

+++ b/Src/params.c

@@ -775,17 +775,18 @@ createparamtable(void)

 #endif

     opts[ALLEXPORT] = oae;

+    /*

+     * For native emulation we always set the variable home

+     * (see setupvals()).

+     */

+    pm = (Param) paramtab->getnode(paramtab, "HOME");

     if (EMULATION(EMULATE_ZSH))

     {

-	/*

-	 * For native emulation we always set the variable home

-	 * (see setupvals()).

-	 */

-	pm = (Param) paramtab->getnode(paramtab, "HOME");

 	pm->node.flags &= ~PM_UNSET;

 	if (!(pm->node.flags & PM_EXPORTED))

 	    addenv(pm, home);

-    }

+    } else if (!home)

+	pm->node.flags |= PM_UNSET;

     pm = (Param) paramtab->getnode(paramtab, "LOGNAME");

     if (!(pm->node.flags & PM_EXPORTED))

 	addenv(pm, pm->u.str);

-- 

2.5.2