From e55c16708320aee327fe192d543a25e05343fae5 Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikachu@gmail.com>
Date: Tue, 16 Jun 2015 01:36:50 +0200
Subject: 35476: Allow setting $0 when POSIX_ARGZERO is not set

---
 Src/params.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'Src/params.c')

diff --git a/Src/params.c b/Src/params.c
index 98541a6da..3b757359b 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -196,7 +196,7 @@ static const struct gsu_integer ttyidle_gsu =
 { ttyidlegetfn, nullintsetfn, stdunsetfn };
 
 static const struct gsu_scalar argzero_gsu =
-{ argzerogetfn, nullstrsetfn, nullunsetfn };
+{ argzerogetfn, argzerosetfn, nullunsetfn };
 static const struct gsu_scalar username_gsu =
 { usernamegetfn, usernamesetfn, stdunsetfn };
 static const struct gsu_scalar dash_gsu =
@@ -4044,6 +4044,21 @@ lcsetfn(Param pm, char *x)
 }
 #endif /* USE_LOCALE */
 
+/* Function to set value for special parameter `0' */
+
+/**/
+static void
+argzerosetfn(UNUSED(Param pm), char *x)
+{
+    if (x) {
+	if (!isset(POSIXARGZERO)) {
+	    zsfree(argzero);
+	    argzero = ztrdup(x);
+	}
+	zsfree(x);
+    }
+}
+
 /* Function to get value for special parameter `0' */
 
 /**/
-- 
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