[vbox-dev] UUID's

[James Lucas]

I'm converting the UUID as represented in VirtualBox in an external auth plugin
from the 16 byte representation to a string representation using libuuid (On
linux)

#include <uuid/uuid.h>
char * uuidtemp;
uuid_unparse(*pUuid, uuidtemp);

Expected results (UUID of machine)
2947d043-0e43-4d6a-4aa5-5488b4af1c32

Actual
43d04729-430e-6a4d-4aa5-5488b4af1c32

The first three fields are byte swapped. Looking through the VBox source code
uuid conversion has been implemented internally and doesn't use an external
library (I'm assume portability reasons). Why would the Byte->toString methods
differ between VBox internal and libuuid? The VBox sources refer to ext2
implementation and libuuid implements to same.

I'm sure there is a simple reason, however I'd like to confirm before I put in
place some workaround code that may break in the future.

Regards,
    James



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