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| subject: | Driver: byte count from IOCTL |
Hello -all-,
14.01.97 20:52, I wrote a message to -all- :
VJ> an IOCtl call into a driver has to return a variable-length list.
VJ> To skip to return a header in front of this list (as I have done
VJ> on previous opportunities) I want to update the application's
VJ> idea of needed/filled data buffer length.
...
I found a "Device Driver Programming FAQ" at www.wdi.co.uk and it
states that returning parameter or data length isn't possible.
So I stick with an header in front of the list. Sad.
C-x C-s
Vitus [Team OS/2 Germany #835]
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