From 937f3434c1300404d5643a2943e5dfba734d4022 Mon Sep 17 00:00:00 2001
From: apnadkarni <apnmbx-wits@yahoo.com>
Date: Tue, 23 Sep 2025 11:42:28 +0000
Subject: Fix for fix. If getenv returns NULL, Tcl_DString buffer still needs
 initialization

---
 unix/tclUnixInit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unix/tclUnixInit.c b/unix/tclUnixInit.c
index 8c16d74..6460c90 100644
--- a/unix/tclUnixInit.c
+++ b/unix/tclUnixInit.c
@@ -482,6 +482,8 @@ TclpInitLibraryPath(
     if (str != NULL) {
 	Tcl_ExternalToUtfDString(NULL, str, -1, &buffer);
 	str = Tcl_DStringValue(&buffer);
+    } else {
+        Tcl_DStringInit(&buffer);
     }
 
     if ((str != NULL) && (str[0] != '\0')) {
-- 
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