pathfile.cpp

来自「这是本人在工作中积累的VC++类库」· C++ 代码 · 共 69 行

/************************************************************************
模快名:		moxu 公共类库
功能:		文件及目录属性的读取
完成日期:	2007-10-20
作者:		许 培 Xu Pei(Email/MSN: [e-mail])

本代码可以自由使用，但因使用本代码造成的后果，本人不承担任何责任
************************************************************************/

#include "stdafx.h"
#include "PathFile.h"


namespace moxu
{
	TString PathFile::GetWindowsPath()
	{
		TCHAR str[MAX_PATH];
		if(0 == GetWindowsDirectory(str, MAX_PATH))
			return _T("");
		return str;
	}

	TString PathFile::GetSystemPath()
	{
		TCHAR str[MAX_PATH];
		if(0 == GetSystemDirectory(str, MAX_PATH))
			return _T("");
		return str;
	}

	TString PathFile::GetCurrentPath()
	{
		TCHAR str[MAX_PATH];
		if(0 == GetCurrentDirectory(MAX_PATH, str))
			return _T("");
		return str;
	}

	TString PathFile::GetStartPath()
	{
		TCHAR fullPath[MAX_PATH];
		TCHAR drive[_MAX_DRIVE];
		TCHAR dir[_MAX_DIR];

		if(0 == GetModuleFileName(NULL, fullPath, MAX_PATH))
			return _T("");

		_tsplitpath(fullPath, drive, dir, NULL, NULL);
		TString str = TString(drive) + dir;
		return str;
	}

	UINT64 PathFile::GetFileSize(LPCTSTR fileName)
	{
		HANDLE hFile;
		LARGE_INTEGER size;
		hFile = CreateFile(fileName, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 
			FILE_ATTRIBUTE_NORMAL, NULL);
		if(INVALID_HANDLE_VALUE == hFile)
			return -1;
		size.LowPart = ::GetFileSize(hFile, (LPDWORD)&size.HighPart);
		CloseHandle(hFile);
		if(INVALID_FILE_SIZE == size.LowPart)
			return -1;
		return size.QuadPart;
	}

}//namespace moxu