From c82be78035e536b2b2248be6d6f3cd5a995f11f1 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 15 Aug 2015 09:09:57 -0500
Subject: Kylie McClain pointed out that env should clear variables with NAME=
 by itself.

---
 toys/posix/env.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'toys/posix/env.c')

diff --git a/toys/posix/env.c b/toys/posix/env.c
index f20517eb..87c25a01 100644
--- a/toys/posix/env.c
+++ b/toys/posix/env.c
@@ -24,16 +24,17 @@ extern char **environ;
 void env_main(void)
 {
   char **ev;
-  char *del = "=";
 
   if (toys.optflags) clearenv();
 
-  for (ev = toys.optargs; *ev != NULL; ev++) {
-    char *env = strtok(*ev, del), *val = 0;
+  for (ev = toys.optargs; *ev; ev++) {
+    char *name = *ev, *val = strchr(name, '=');
 
-    if (env) val = strtok(0, del);
-    if (val) setenv(env, val, 1);
-    else xexec(ev);
+    if (val) {
+      *(val++) = 0;
+      if (*val) setenv(name, val, 1);
+      else unsetenv(name);
+    } else xexec(ev);
   }
 
   if (environ) for (ev = environ; *ev; ev++) xputs(*ev);
-- 
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