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Originally Posted by geekraver
Couple of questions about this:
1) is the size that gets passed through for the read data just for the extra stuff; i.e. for FileOpen it would be "sizeof(FileOpenAnswer) - 16"?
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Request.extralen is the size of data following the header. "answersize" is how much data you expect to get in the answer. For FileOpen: extralen=4+nPathLen, answersize = 4. (and you should get 4 in Answer.dataLen).
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Originally Posted by geekraver
2) Should the "Answer* answer" arg in UsbReceiveProc actually be "Answer** answer", i.e. something like:
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Yes, it fills in the pointer which you'll need to free.