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[core] fix detection of fixed drives

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* Thanks to MS' shortsightedness, neither of IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS
  or IOCTL_STORAGE_GET_DEVICE_NUMBER alone are enough to retrieve a disk number:
  IOCTL_STORAGE_GET_DEVICE_NUMBER doesn't work for LVM drives and
  IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS doesn't work for USB fixed drives, so we
  must use both. Isn't it great?
* Closes #292
This commit is contained in:
Pete Batard 2014-02-27 19:53:53 +00:00
parent 07d5a61f2a
commit 8c1dd2ca91
4 changed files with 62 additions and 34 deletions
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14
src/drive.h
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@ -24,11 +24,25 @@
#define RUFUS_EXTRA_PARTITION_TYPE 0xea
/* We need a redef of these MS structure */
typedef struct {
DWORD DeviceType;
ULONG DeviceNumber;
ULONG PartitionNumber;
} STORAGE_DEVICE_NUMBER_REDEF;
typedef struct {
DWORD NumberOfDiskExtents;
// The one from MS uses ANYSIZE_ARRAY, which can lead to all kind of problems
DISK_EXTENT Extents[8];
} VOLUME_DISK_EXTENTS_REDEF;
char* GetPhysicalName(DWORD DriveIndex);
HANDLE GetPhysicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive);
char* GetLogicalName(DWORD DriveIndex, BOOL bKeepTrailingBackslash, BOOL bSilent);
BOOL WaitForLogical(DWORD DriveIndex);
HANDLE GetLogicalHandle(DWORD DriveIndex, BOOL bWriteAccess, BOOL bLockDrive);
int GetDriveNumber(HANDLE hDrive, char* path);
BOOL GetDriveLetters(DWORD DriveIndex, char* drive_letters);
UINT GetDriveTypeFromIndex(DWORD DriveIndex);
char GetUnusedDriveLetter(void);