[Bluez-devel] hcitool: bug in printing names of class of device

[Artur Wodejko <artur.wodejko@sentivision.com>]

Hi All,

In our company we've designed BT remote controller device. We set class 
of device to 0x5cc (Major class: Peripheral, Minor class: Combo 
keyboard/pointing device + Remote control). On Windows it is recognized 
correct (icon and description), but on Linux (bluez-utils 3.4) "hcitool 
scan --class --flush" prints "Device class:   Invalid (0x005cc)".

I've found that only devices with major class < 5 are recognized 
correctly. This is because is bug in hcitool.c in function cmd_scan():

 if ((cls[1] & 0x1f) > sizeof(*major_classes))
                                ^^^^^^^^^^^^^^^^^^
this is always sizeof(char**) and on 32bit machine is 4!
It should be:
                              sizeof(major_classes) / sizeof(char*),

Best regards,

-- 
Artur Wodejko
awodejko@sentivision.com


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