regedit: disallow editing root key names

[Daniel Jelinski]

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From 516cdbe1f4bfb5f99b8eb09c7085fbbfe1ba433a Mon Sep 17 00:00:00 2001
From: Daniel Jelinski <djelinski1 at gmail.com>
Date: Tue, 16 Oct 2012 20:14:52 +0200
Subject: regedit: disallow editing root key names

Fixes bug 31953
---
 programs/regedit/childwnd.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/programs/regedit/childwnd.c b/programs/regedit/childwnd.c
index 1ff7a90..6dc7d0c 100644
--- a/programs/regedit/childwnd.c
+++ b/programs/regedit/childwnd.c
@@ -405,6 +405,12 @@ LRESULT CALLBACK ChildWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lPa
 			       TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
 		break;
             }
+            case TVN_BEGINLABELEDITW: {
+                HKEY hRootKey;
+                LPWSTR path = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hRootKey);
+                if (!path || !*path) return 1;
+                return 0;
+            }
 	    case TVN_ENDLABELEDITW: {
 		HKEY hRootKey;
 	        LPNMTVDISPINFOW dispInfo = (LPNMTVDISPINFOW)lParam;
-- 
1.7.5.4