reactos/base/applications/regedit/error.c

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/*
* Regedit errors, warnings, informations displaying
*
* Copyright (C) 2010 Adam Kachwalla <geekdundee@gmail.com>
* Copyright (C) 2012 Hermès Bélusca - Maïto <hermes.belusca@sfr.fr>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "regedit.h"
int ErrorMessageBox(HWND hWnd, LPCWSTR lpTitle, DWORD dwErrorCode, ...)
{
int iRet = 0;
LPWSTR lpMsgBuf = NULL;
DWORD Status = 0;
va_list args;
va_start(args, dwErrorCode);
Status = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
dwErrorCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&lpMsgBuf,
0,
&args);
va_end(args);
iRet = MessageBoxW(hWnd, (Status && lpMsgBuf ? lpMsgBuf : L"Error displaying error message."), lpTitle, MB_OK | MB_ICONERROR);
if (lpMsgBuf) LocalFree(lpMsgBuf);
/* Return the MessageBoxW information */
return iRet;
}
int InfoMessageBox(HWND hWnd, UINT uType, LPCWSTR lpTitle, LPCWSTR lpMessage, ...)
{
int iRet = 0;
LPWSTR lpMsgBuf = NULL;
va_list args;
va_start(args, lpMessage);
if (lpMessage)
{
SIZE_T strLen = _vscwprintf(lpMessage, args);
/* Create a buffer on the heap and zero it out (LPTR) */
lpMsgBuf = (LPWSTR)LocalAlloc(LPTR, (strLen + 1) * sizeof(WCHAR));
if (lpMsgBuf)
{
_vsnwprintf(lpMsgBuf, strLen, lpMessage, args);
}
}
va_end(args);
iRet = MessageBoxW(hWnd, (lpMessage && lpMsgBuf ? lpMsgBuf : L"Error displaying info message."), lpTitle, uType);
if (lpMsgBuf) LocalFree(lpMsgBuf);
/* Return the MessageBoxW information */
return iRet;
}