TrueCrypt代码 之 编码转换

直接上代码

// Convert.h
#pragma once

LPSTR  MYW2UTF(LPCWSTR _W, LPSTR _A);

LPWSTR MYUTF2W(LPCSTR _A, LPWSTR _W);

LPSTR  MYW2A(LPCWSTR _W, LPSTR _A);

LPWSTR MYA2W(LPCSTR _A, LPWSTR _W);

LPSTR  MYT2A(LPCTSTR  _T, LPSTR _A);

LPTSTR MYA2T(LPCSTR _A, LPTSTR  _T);

LPWSTR MYT2W(LPCTSTR  _T, LPWSTR _W);

LPTSTR MYW2T(LPCWSTR _W, LPTSTR  _T);

//Convert.cpp
#include "stdafx.h"
#include "Convert.h"

LPSTR  MYW2A(LPCWSTR _W, LPSTR _A)
{
	int nOutputStrLen = WideCharToMultiByte(CP_ACP, 0, _W, wcslen(_W), NULL, 0, 0, 0);
	if (nOutputStrLen != 0)
	{
		nOutputStrLen = WideCharToMultiByte(CP_ACP, 0, _W, wcslen(_W), _A, nOutputStrLen, 0, 0);
	}
	if (nOutputStrLen > 0)
	{
		_A[nOutputStrLen] = '\0';
	}
	else
	{
		_A[0] = '\0';
	}
	return _A;
}

LPWSTR MYA2W(LPCSTR _A, LPWSTR _W)
{
	int nOutputStrLen = MultiByteToWideChar(CP_ACP, 0, _A, strlen(_A), NULL, 0);
	if (nOutputStrLen != 0)
	{
		nOutputStrLen = MultiByteToWideChar(CP_ACP, 0, _A, strlen(_A), _W, nOutputStrLen);
	}
	if (nOutputStrLen > 0)
	{
		_W[nOutputStrLen] = '\0';
	}
	else
	{
		_W[0] = '\0';
	}
	return _W;
}

LPSTR  MYW2UTF(LPCWSTR _W, LPSTR _A)
{
	int nOutputStrLen = WideCharToMultiByte(CP_UTF8, 0, _W, wcslen(_W), NULL, 0, 0, 0);
	if (nOutputStrLen != 0)
	{
		nOutputStrLen = WideCharToMultiByte(CP_UTF8, 0, _W, wcslen(_W), _A, nOutputStrLen, 0, 0);
	}
	if (nOutputStrLen > 0)
	{
		_A[nOutputStrLen] = '\0';
	}
	else
	{
		_A[0] = '\0';
	}
	return _A;
}

LPWSTR MYUTF2W(LPCSTR _A, LPWSTR _W)
{
	int nOutputStrLen = MultiByteToWideChar(CP_UTF8, 0, _A, strlen(_A), NULL, 0);
	if (nOutputStrLen != 0)
	{
		nOutputStrLen = MultiByteToWideChar(CP_UTF8, 0, _A, strlen(_A), _W, nOutputStrLen);
	}
	if (nOutputStrLen > 0)
	{
		_W[nOutputStrLen] = '\0';
	}
	else
	{
		_W[0] = '\0';
	}
	return _W;
}

LPSTR  MYT2A(LPCTSTR  _T, LPSTR _A)
{
#if defined(_UNICODE)
	return MYW2A(_T, _A);
#else
	strcpy(_A, _T);
	return _A;
#endif
}

LPTSTR MYA2T(LPCSTR _A, LPTSTR  _T)
{
#if defined(_UNICODE)
	return MYA2W(_A, _T);
#else
	strcpy(_T, _A);
	return _A;
#endif
}

LPWSTR MYT2W(LPCTSTR  _T, LPWSTR _W)
{
#if defined(_UNICODE)
	wcscpy(_W, _T);
	return _W;
#else
	return MYA2W(_T, _W);
#endif
}

LPTSTR MYW2T(LPCWSTR _W, LPTSTR  _T)
{
#if defined(_UNICODE)
	wcscpy(_T, _W);
	return _T;
#else
	return MYW2A(_W, _T);
#endif
}