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- /* -*- 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 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #include "dllcom.h"
- #include <assert.h>
-
- // Converts an OLE string (UNICODE) to an ANSI string. The caller
- // must use CoTaskMemFree to free the memory
- LPSTR
- AllocTaskAnsiString(LPOLESTR lpszString)
- {
- LPSTR lpszResult;
- UINT nBytes;
-
- if (lpszString == NULL)
- return NULL;
-
- #ifdef _WIN32
- nBytes = (wcslen(lpszString) + 1) * 2;
- #else
- nBytes = lstrlen(lpszString) + 1; // Win 16 doesn't use any UNICODE
- #endif
- lpszResult = (LPSTR)CoTaskMemAlloc(nBytes);
-
- if (lpszResult) {
- #ifdef _WIN32
- WideCharToMultiByte(CP_ACP, 0, lpszString, -1, lpszResult, nBytes, NULL, NULL);
- #else
- lstrcpy(lpszResult, lpszString);
- #endif
- }
-
- return lpszResult;
- }
-
- // The caller must free the returned string using CoTaskMemFree. The
- // returned string is an ANSI string
- LPSTR
- DLL_StringFromGUID(REFGUID rGuid)
- {
- #ifdef DLL_WIN32
- OLECHAR szGuidID[80];
- int iConvert = StringFromGUID2(rGuid, szGuidID, 80);
-
- assert(iConvert > 0);
- return iConvert > 0 ? AllocTaskAnsiString(szGuidID) : NULL;
- #else
- LPSTR lpszGuidID;
-
- if (!SUCCEEDED(StringFromCLSID(rGuid, &lpszGuidID)))
- return NULL;
-
- return lpszGuidID;
- #endif
- }
-