From 1a0589979826c8388941f753b58ec7f437a3c247 Mon Sep 17 00:00:00 2001
From: Iain Patterson <me@iain.cx>
Date: Wed, 16 Feb 2011 23:48:31 +0000
Subject: [PATCH] Use GetWindowsDirectory() instead of %SYSTEMROOT%.

Though unlikely, it's possible that %SYSTEMROOT% might be undefined.
---
 registry.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/registry.cpp b/registry.cpp
index 0471ca7..f82e1bf 100644
--- a/registry.cpp
+++ b/registry.cpp
@@ -180,7 +180,7 @@ int get_parameters(char *service_name, char *exe, int exelen, char *flags, int f
     }
     else {
       /* Help! */
-      unsigned long ret = ExpandEnvironmentStrings("%SYSTEMROOT%", dir, dirlen);
+      unsigned long ret = GetWindowsDirectory(dir, dirlen);
       if (! ret || ret > dirlen) {
         log_event(EVENTLOG_ERROR_TYPE, NSSM_EVENT_NO_DIR_AND_NO_FALLBACK, NSSM_REG_DIR, service_name, 0);
         RegCloseKey(key);
-- 
2.20.1