[akhaldi] 67683: [SHELL32] Don't provide the format option when the volume is read only. By Barrett Karish. CORE-9530

Author: akhaldi
Date: Tue May 12 10:57:24 2015
New Revision: 67683

URL: http://svn.reactos.org/svn/reactos?rev=67683&view=rev
Log:
[SHELL32] Don't provide the format option when the volume is read only. By Barrett
Karish. CORE-9530

Modified:
    trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp

Modified: trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/CDefault…
==============================================================================
--- trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/CDefaultContextMenu.cpp	[iso-8859-1] Tue May 12
10:57:24 2015
@@ -13,6 +13,9 @@
 */
 
 #include "precomp.h"
+
+/* FIXME: ntifs.h */
+#define FILE_READ_ONLY_VOLUME 0x00080000
 
 WINE_DEFAULT_DEBUG_CHANNEL(dmenu);
 
@@ -880,11 +883,20 @@
 
     if (_ILIsDrive(m_apidl[0]))
     {
-        /* The 'Format' option must be always available,
-         * thus it is not registered as a static shell extension */
-        _InsertMenuItemW(hMenu, IndexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
-        _InsertMenuItemW(hMenu, IndexMenu++, TRUE, 0x7ABC, MFT_STRING,
MAKEINTRESOURCEW(IDS_FORMATDRIVE), MFS_ENABLED);
-        bAddSep = TRUE;
+        char szDrive[8] = {0};
+        DWORD dwFlags;
+
+        _ILGetDrive(m_apidl[0], szDrive, sizeof(szDrive));
+        if (GetVolumeInformationA(szDrive, NULL, 0, NULL, NULL, &dwFlags, NULL, 0))
+        {
+            /* Disable format if read only */
+            if (!(dwFlags & FILE_READ_ONLY_VOLUME))
+            {
+                _InsertMenuItemW(hMenu, IndexMenu++, TRUE, 0, MFT_SEPARATOR, NULL, 0);
+                _InsertMenuItemW(hMenu, IndexMenu++, TRUE, 0x7ABC, MFT_STRING,
MAKEINTRESOURCEW(IDS_FORMATDRIVE), MFS_ENABLED);
+                bAddSep = TRUE;
+            }
+        }
     }
 
     BOOL bClipboardData = (HasClipboardData() && (rfg & SFGAO_FILESYSTEM));