From 8f4a48b779a87f11ae2a2608db27e2ef579ca5ba Mon Sep 17 00:00:00 2001
From: "ssu%netscape.com"
 <ssu%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sun, 14 May 2000 02:27:52 +0000
Subject: [PATCH] new files to support setting of windows shared files registry
 in the windows registry.  Not part of tinderbox build yet.

git-svn-id: svn://10.0.0.236/trunk@69610 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/xpinstall/src/nsInstallBitwise.cpp | 78 ++++++++++++++++++++++
 mozilla/xpinstall/src/nsInstallBitwise.h   | 38 +++++++++++
 2 files changed, 116 insertions(+)
 create mode 100644 mozilla/xpinstall/src/nsInstallBitwise.cpp
 create mode 100644 mozilla/xpinstall/src/nsInstallBitwise.h

diff --git a/mozilla/xpinstall/src/nsInstallBitwise.cpp b/mozilla/xpinstall/src/nsInstallBitwise.cpp
new file mode 100644
index 00000000000..10d1af5aec7
--- /dev/null
+++ b/mozilla/xpinstall/src/nsInstallBitwise.cpp
@@ -0,0 +1,78 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this File are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code, 
+ * released March 31, 1998. 
+ *
+ * The Initial Developer of the Original Code is Netscape Communications 
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ *     Sean Su <ssu@netscape.com>
+ */
+
+#include "nscore.h"
+#include "nsFileSpec.h"
+#include "nsFileStream.h"
+#include "nsInstall.h" // for error codes
+#include "prmem.h"
+#include "nsInstallBitwise.h"
+
+#ifdef _WINDOWS
+#include <windows.h>
+#include <winreg.h>
+#endif
+
+#define KEY_SHARED_DLLS "Software\\Microsoft\\Windows\\CurrentVersion\\SharedDlls"
+
+PRInt32 RegisterSharedFile(char *file, PRBool bAlreadyExists)
+{
+  PRInt32 rv = nsInstall::SUCCESS;
+
+#ifdef WIN32
+  HKEY     root;
+  HKEY     keyHandle = 0;
+  LONG     result;
+  DWORD    type = REG_DWORD;
+  DWORD    dwDisposition;
+  PRUint32 valbuf = 0;
+  PRUint32 valbufsize;
+
+  valbufsize = sizeof(PRUint32);
+  root       = HKEY_LOCAL_MACHINE;
+  result     = RegCreateKeyEx(root, KEY_SHARED_DLLS, 0, nsnull, REG_OPTION_NON_VOLATILE, KEY_READ | KEY_WRITE, nsnull, &keyHandle, &dwDisposition);
+  if(ERROR_SUCCESS == result)
+  {
+    result = RegQueryValueEx(keyHandle, file, nsnull, &type, (LPBYTE)&valbuf, (LPDWORD)&valbufsize);
+
+    if((ERROR_SUCCESS == result) && (type == REG_DWORD))
+      ++valbuf;
+    else
+    {
+      valbuf = 1;
+      if(bAlreadyExists == PR_TRUE)
+        ++valbuf;
+    }
+
+    RegSetValueEx(keyHandle, file, 0, REG_DWORD, (LPBYTE)&valbuf, valbufsize);
+    RegCloseKey(keyHandle);
+  }
+  else
+    rv = nsInstall::UNEXPECTED_ERROR;
+
+#endif
+
+  return(rv);
+}
+
diff --git a/mozilla/xpinstall/src/nsInstallBitwise.h b/mozilla/xpinstall/src/nsInstallBitwise.h
new file mode 100644
index 00000000000..aa6100ce816
--- /dev/null
+++ b/mozilla/xpinstall/src/nsInstallBitwise.h
@@ -0,0 +1,38 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code, 
+ * released March 31, 1998. 
+ *
+ * The Initial Developer of the Original Code is Netscape Communications 
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ *     Sean Su <ssu@netscape.com>
+ */
+
+#ifndef __NSINSTALLBITWISE_H__
+#define __NSINSTALLBITWISE_H__
+
+#include "NSReg.h"
+#include "nsFileSpec.h"
+#include "nsIFile.h"
+
+PR_BEGIN_EXTERN_C
+
+PRInt32 RegisterSharedFile(char *file, PRBool bAlreadyExists);
+
+PR_END_EXTERN_C
+
+#endif