windows-nt/Source/XPSP1/NT/admin/admt/dbmgr/stringconversion.h
2020-09-26 16:20:57 +08:00

45 lines
693 B
C++

#pragma once
//---------------------------------------------------------------------------
// CStringUTF8
//---------------------------------------------------------------------------
class CStringUTF8
{
public:
CStringUTF8(LPCWSTR pszOld) :
m_pchNew(NULL)
{
if (pszOld)
{
int cchNew = WideCharToMultiByte(CP_UTF8, 0, pszOld, -1, NULL, 0, NULL, NULL);
m_pchNew = new CHAR[cchNew];
if (m_pchNew)
{
WideCharToMultiByte(CP_UTF8, 0, pszOld, -1, m_pchNew, cchNew, NULL, NULL);
}
}
}
~CStringUTF8()
{
delete [] m_pchNew;
}
operator LPCSTR()
{
return m_pchNew;
}
protected:
LPSTR m_pchNew;
};
#define WTUTF8(s) static_cast<LPCSTR>(CStringUTF8(s))