From 57e4c1a19f9ee5ebc5757a737d8961d9d0108e09 Mon Sep 17 00:00:00 2001
From: tg <tg@mirbsd.org>
Date: Sat, 30 Mar 2013 15:39:26 +0000
Subject: [PATCH] =?UTF-8?q?catch=20missing=20variable=20names=20in=20types?=
 =?UTF-8?q?et,=20to=20avoid=20confusing=20Hugues=20Moretto-Viry=20with=20b?=
 =?UTF-8?q?ogus=20=E2=80=9Cread-only=E2=80=9D=20messages?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 var.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/var.c b/var.c
index 19527e0..3c89435 100644
--- a/var.c
+++ b/var.c
@@ -27,7 +27,7 @@
 #include <sys/sysctl.h>
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/var.c,v 1.166 2013/02/18 22:24:52 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/var.c,v 1.167 2013/03/30 15:39:26 tg Exp $");
 
 /*-
  * Variables
@@ -708,6 +708,10 @@ typeset(const char *var, uint32_t set, uint32_t clr, int field, int base)
 
 	/* check for valid variable name, search for value */
 	val = skip_varname(var, false);
+	if (val == var) {
+		/* no variable name given */
+		return (NULL);
+	}
 	if (*val == '[') {
 		if (set_refflag != SRF_NOP)
 			errorf("%s: %s", var,
@@ -742,7 +746,6 @@ typeset(const char *var, uint32_t set, uint32_t clr, int field, int base)
 		 * must have a = when setting a variable by importing
 		 * the original environment, otherwise be empty; we
 		 * also end up here when a variable name was invalid
-		 * or none given
 		 */
 		return (NULL);
 	} else {