学习API 设置卷的挂载点，列举指定卷中具有的挂载点和路径

#define _WIN32_WINNT 0x0501
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#define BUFSIZE MAX_PATH
#define FILESYSNAMEBUFSIZE MAX_PATH
/**************************************
* ProcessVolumeMountPoint
* 功能：列举挂载点
**************************************/
BOOL ProcessVolumeMountPoint(HANDLE hPt,
TCHAR *ptBuf,DWORD dwPtBufSize,
TCHAR *Buf)
{
BOOL bFlag; //结果
TCHAR Path[BUFSIZE]; //全路径
TCHAR Target[BUFSIZE]; //挂载点设备
printf("\tVolume mount point found is \"%s\"\n",ptBuf);
lstrcpy(Path,Buf);
lstrcat(Path,Buf);
bFlag = GetVolumeNameForVolumeMountPoint(Path,Target,BUFSIZE);
if (!bFlag)
{
printf("\tAttempt to get volume name for %s failed.\n",Path);
}else{
printf("\tTarget of the volume mount point is %s.\n",Target);
}
bFlag = FindNextVolumeMountPoint(hPt,ptBuf,dwPtBufSize);
return bFlag;
}
/*******************************************************
* ProcessVolume
* 功能：判断卷类型，列举挂载点
*******************************************************/
BOOL ProcessVolume(HANDLE hVol,TCHAR *Buf,DWORD iBufSize)
{
BOOL bFlag; //返回标志
HANDLE hPt; //卷句柄
TCHAR PtBuf[BUFSIZE]; //挂载点路径
DWORD dwSysFlags; //文件系统标记
TCHAR FileSysNameBuf[FILESYSNAMEBUFSIZE];
printf("Volume found is \"%s\".\n",Buf);
GetVolumeInformation(Buf,NULL,0,NULL,NULL,
&dwSysFlags,FileSysNameBuf,FILESYSNAMEBUFSIZE);
if (!(dwSysFlags & FILE_SUPPORTS_REPARSE_POINTS))
{
printf("\tThis file system does not support volume mount points.\n");
}
else
{
//本卷中的挂载点
hPt = FindFirstVolumeMountPoint(
Buf, //卷的路径
PtBuf, //挂载点路径
BUFSIZE);
if (hPt == INVALID_HANDLE_VALUE)
{
printf("\tNo volume mount points found!\n");
}
else
{
//处理挂载点
bFlag = ProcessVolumeMountPoint(hPt,
PtBuf,BUFSIZE,Buf);
while(bFlag)
bFlag = ProcessVolumeMountPoint(hPt,PtBuf,BUFSIZE,Buf);
FindVolumeMountPointClose(hPt);
}
}
//下一个
bFlag = FindNextVolume(hVol,Buf,iBufSize);
return bFlag;
}
/*********************
* int GetMountPoint(void)
* 功能：获取挂载点
*********************/
int GetMountPoint(void)
{
TCHAR buf[BUFSIZE]; //卷标示符
HANDLE hVol; //卷句柄
BOOL bFlag; //结束标志
printf("Volume mount points info of this computer:\n\n");
hVol = FindFirstVolume(buf,BUFSIZE);
if (hVol == INVALID_HANDLE_VALUE)
{
printf("No volumes found!\n");
return -1;
}
bFlag = ProcessVolume(hVol,buf,BUFSIZE);
while(bFlag)
{
bFlag = ProcessVolume(hVol,buf,BUFSIZE);
}
bFlag = FindVolumeClose(hVol);
return bFlag;
}
/***********************
* void Usage(PCHAR argv)
* 功能：使用方法
***********************/
void Usage(PCHAR argv)
{
printf("\n\n\t%s,mount a volume at a mount point.\n",argv);
printf("\tFor example, \"mount D:\\mnt\\drives\\E:\\\"\n");
}
/*****************************
* main
* 功能： 入口函数
*****************************/
int main(int argc,PCHAR argv[])
{
BOOL bFlag;
CHAR Buf[BUFSIZE];
if (argc != 3)
{
GetMountPoint();
Usage(argv[0]);
return -1;
}
bFlag = GetVolumeNameForVolumeMountPoint(
argv[2], //输入挂载点或目录
Buf, //输出卷名
BUFSIZE);
if (bFlag != TRUE)
{
printf("Retrieving volume name for %s failed.\n");
return -2;
}
printf("Volume name of %s is %s\n",argv[2],Buf);
bFlag = SetVolumeMountPoint(
argv[1], //挂载点
Buf //需要挂载的卷
);
if (!bFlag)
{
printf("Attempt to mount %s at %s failed.error code is\n",argv[2],argv[1],GetLastError());
}
getchar();
return bFlag;
}