зеркало из https://github.com/mozilla/gecko-dev.git
71 строка
1.7 KiB
C++
71 строка
1.7 KiB
C++
/* -*- 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.org code.
|
|
*
|
|
* 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):
|
|
*/
|
|
#include "nsOERegUtil.h"
|
|
|
|
#include "OEDebugLog.h"
|
|
|
|
BYTE * nsOERegUtil::GetValueBytes( HKEY hKey, const char *pValueName)
|
|
{
|
|
LONG err;
|
|
DWORD bufSz;
|
|
LPBYTE pBytes = NULL;
|
|
DWORD type = 0;
|
|
|
|
err = ::RegQueryValueEx( hKey, pValueName, NULL, &type, NULL, &bufSz);
|
|
if (err == ERROR_SUCCESS) {
|
|
pBytes = new BYTE[bufSz];
|
|
err = ::RegQueryValueEx( hKey, pValueName, NULL, NULL, pBytes, &bufSz);
|
|
if (err != ERROR_SUCCESS) {
|
|
delete [] pBytes;
|
|
pBytes = NULL;
|
|
}
|
|
else {
|
|
if (type == REG_EXPAND_SZ) {
|
|
DWORD sz = bufSz;
|
|
LPBYTE pExpand = NULL;
|
|
DWORD rSz;
|
|
|
|
do {
|
|
if (pExpand)
|
|
delete [] pExpand;
|
|
sz += 1024;
|
|
pExpand = new BYTE[sz];
|
|
rSz = ::ExpandEnvironmentStrings( (LPCSTR) pBytes, (LPSTR) pExpand, sz);
|
|
} while (rSz > sz);
|
|
|
|
delete [] pBytes;
|
|
|
|
return( pExpand);
|
|
}
|
|
}
|
|
}
|
|
|
|
return( pBytes);
|
|
}
|
|
|
|
void nsOERegUtil::FreeValueBytes( BYTE *pBytes)
|
|
{
|
|
if (pBytes)
|
|
delete [] pBytes;
|
|
}
|
|
|