From 15138d4fb7a40a1276722924b0482f53c83468f3 Mon Sep 17 00:00:00 2001
From: Bart Schaefer <barts@users.sourceforge.net>
Date: Mon, 20 Feb 2012 17:50:39 +0000
Subject: 30242: use PREFORK_SINGLE for ${...=...} in POSIX emulation

---
 Src/subst.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'Src/subst.c')

diff --git a/Src/subst.c b/Src/subst.c
index 894f9cd2f..b9229861b 100644
--- a/Src/subst.c
+++ b/Src/subst.c
@@ -2693,7 +2693,12 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags)
 		*idend = '\0';
 		val = dupstring(s);
 		if (spsep || !arrasg) {
-		    multsub(&val, PREFORK_NOSHWORDSPLIT, NULL, &isarr, NULL);
+		    /* POSIX requires PREFORK_SINGLE semantics here, but
+		     * traditional zsh used PREFORK_NOSHWORDSPLIT.  Base
+		     * behavior on caller choice of PREFORK_SHWORDSPLIT. */
+		    multsub(&val,
+			    spbreak ? PREFORK_SINGLE : PREFORK_NOSHWORDSPLIT,
+			    NULL, &isarr, NULL);
 		} else {
 		    if (spbreak)
 			split_flags = PREFORK_SPLIT|PREFORK_SHWORDSPLIT;
-- 
cgit 1.4.1