From 86e16438b5c6b878894e01558c4d837e268a540c Mon Sep 17 00:00:00 2001
From: davygrvy <davygrvy@pobox.com>
Date: Wed, 14 May 2003 06:17:49 +0000
Subject: Another putenv() copy behavior problem repaired when compiling on
 windows and using microsoft's runtime. [Bug 736421]

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

diff --git a/generic/tclEnv.c b/generic/tclEnv.c
index 1d6e66f..f814164 100644
--- a/generic/tclEnv.c
+++ b/generic/tclEnv.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclEnv.c,v 1.20 2003/01/14 02:06:11 mdejong Exp $
+ * RCS: @(#) $Id: tclEnv.c,v 1.21 2003/05/14 06:17:49 davygrvy Exp $
  */
 
 #include "tclInt.h"
@@ -429,6 +429,11 @@ TclUnsetEnv(name)
 
     if (environ[index] == string) {
 	ReplaceString(oldValue, string);
+#ifdef HAVE_PUTENV_THAT_COPIES
+    } else {
+	/* This putenv() copies instead of taking ownership */
+	ckfree(string);
+#endif
     }
 #else
     for (envPtr = environ+index+1; ; envPtr++) {
-- 
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