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Add W32 mountpoint resolving based on the disc number figured by ipodpatcher / sansapatcher.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17868 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling 2008-06-29 07:45:33 +00:00
parent a3e63cf044
commit 1ed2e514da
3 changed files with 58 additions and 0 deletions
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46
rbutil/rbutilqt/utils.cpp
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@ -18,12 +18,21 @@
****************************************************************************/
#include "utils.h"
#ifdef UNICODE
#define _UNICODE
#endif
#include <QtCore>
#include <QDebug>
#include <cstdlib>
#include <stdio.h>
#if defined(Q_OS_WIN32)
#include <windows.h>
#include <tchar.h>
#include <winioctl.h>
#endif
// recursive function to delete a dir with files
bool recRmdir( const QString &dirName )
{
@ -90,4 +99,41 @@ QString resolvePathCase(QString path)
return realpath;
}
#if defined(Q_OS_WIN32)
QString getMountpointByDevice(int drive)
{
QString result;
for(int letter = 'A'; letter <= 'Z'; letter++) {
DWORD written;
HANDLE h;
TCHAR uncpath[MAX_PATH];
UCHAR buffer[0x400];
PVOLUME_DISK_EXTENTS extents = (PVOLUME_DISK_EXTENTS)buffer;
_stprintf(uncpath, _TEXT("\\\\.\\%c:"), letter);
h = CreateFile(uncpath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if(h == INVALID_HANDLE_VALUE) {
qDebug() << "error getting extents for" << uncpath;
continue;
}
// get the extents
if(DeviceIoControl(h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
NULL, 0, extents, sizeof(buffer), &written, NULL)) {
for(int a = 0; a < extents->NumberOfDiskExtents; a++) {
qDebug() << "Disk:" << extents->Extents[a].DiskNumber;
if(extents->Extents[a].DiskNumber == drive) {
result = letter;
qDebug("found: %c", letter);
break;
}
}
}
}
return result;
}
#endif