#define VOLUMEUUIDVALUESIZE 2
typedef union VolumeUUID {
	unsigned long value[VOLUMEUUIDVALUESIZE];
	struct {
		unsigned long high;
		unsigned long low;
	} v;
} VolumeUUID;

#define VOLUMEUUIDLENGTH 16
typedef char VolumeUUIDString[VOLUMEUUIDLENGTH+1];

#define VOLUME_RECORDED 0x80000000
#define VOLUME_USEPERMISSIONS 0x00000001
#define VOLUME_VALIDSTATUSBITS ( VOLUME_USEPERMISSIONS )

typedef void *VolumeStatusDBHandle;

void GenerateVolumeUUID(VolumeUUID *newVolumeID);
void ConvertVolumeUUIDStringToUUID(const char *UUIDString, VolumeUUID *volumeID);
void ConvertVolumeUUIDToString(VolumeUUID *volumeID, char *UUIDString);

int OpenVolumeStatusDB(VolumeStatusDBHandle *DBHandlePtr);
int GetVolumeStatusDBEntry(VolumeStatusDBHandle DBHandle, VolumeUUID *volumeID, unsigned long *VolumeStatus);
int SetVolumeStatusDBEntry(VolumeStatusDBHandle DBHandle, VolumeUUID *volumeID, unsigned long VolumeStatus);
int DeleteVolumeStatusDBEntry(VolumeStatusDBHandle DBHandle, VolumeUUID *volumeID);
int CloseVolumeStatusDB(VolumeStatusDBHandle DBHandle);

/*****************************************************************************
 *
 * Internal function prototypes:
 *
 *****************************************************************************/

int GetVolumeUUID(const char *path, VolumeUUID *volumeUUIDPtr, boolean_t generate);
int SetVolumeUUID(const char *path, VolumeUUID *volumeUUIDPtr);
int AdoptAllLocalVolumes(void);
int AdoptVolume(const char *path);
int DisownVolume(const char *path);
int ClearVolumeUUID(const char *path);
int GetVolumeStatus(const char *path);
int UpdateMountStatus(const char *path, unsigned long volstatus);