windows-xp/Source/XPSP1/NT/ds/security/cryptoapi/pkitrust/common/printfu.cpp

//+-------------------------------------------------------------------------
//
//  Microsoft Windows
//
//  Copyright (C) Microsoft Corporation, 1996 - 1999
//
//  File:       printfu.cpp
//
//  Contents:   Unicode Console Printf's
//
//  History:    02-May-1997 xiaohs      created
//              06-May-1997 pberkman    converted to C++
//
//--------------------------------------------------------------------------

#include    "global.hxx"

#include    <stdio.h>
#include    <stdarg.h>

#include    "unicode.h"
#include    "gendefs.h"
#include    "printfu.hxx"


PrintfU_::PrintfU_(DWORD ccMaxString)
{
    hModule = GetModuleHandle(NULL);
    
    pwszDispString  = (WCHAR *)new BYTE[ccMaxString * sizeof(WCHAR)];
    pwszResString   = (WCHAR *)new BYTE[ccMaxString * sizeof(WCHAR)];

    ccMax = ccMaxString;
}

PrintfU_::~PrintfU_(void)
{
    DELETE_OBJECT(pwszDispString);
    DELETE_OBJECT(pwszResString);
}

void _cdecl PrintfU_::Display(DWORD dwFmt, ...)
{
    if (!(hModule) || !(pwszDispString) || !(pwszResString))
    {
        return;
    }

    va_list    vaArgs;

    va_start(vaArgs, dwFmt);

    vwprintf(this->get_String(dwFmt, pwszDispString, ccMax), vaArgs);

    va_end(vaArgs);
}

WCHAR *PrintfU_::get_String(DWORD dwID, WCHAR *pwszRet, DWORD ccRet)
{
    if (!(hModule) || !(pwszDispString) || !(pwszResString))
    {
        return(NULL);
    }

    if (!(pwszRet))
    {
        pwszRet = pwszResString;
        ccRet   = ccMax;
    }

    LoadStringU(hModule, dwID, pwszRet, ccRet);

    return(pwszRet);
}