> I had this working perfectly using C with
>
> MemPtr recPtr;
> recPtr = MemHandleLock(recHandle);
...
> MemMove(pSig, recPtr[sizeof(UInt32)], MemPtrSize(recPtr)-sizeof(UInt32));
>
> I know that this is messy - but for various reasons it wouldn't work well
> for me using structs - however - when I move the app to C++ it will not
> compile at all - the line
>
> MemMove(pSig, recPtr[sizeof(UInt32)], MemPtrSize(recPtr)-sizeof(UInt32));
>
> gives me an "invalid type" error referring to the recPtr[sizeof(UInt32)]
> part - I have tried doing recPtr+=sizeof(UInt32) also but it did not like
> it.
The problem is that MemPtr is a void *, and therefore you can't do pointer
arithmetic on it (how many bytes should it increment when you do a ++?), nor
can you access array elements with it. Your code is illegal in both C and
C++ (CodeWarrior complains in both C mode and C++ mode).
Do the following instead:
UInt8 *recPtr;
recPtr = (UInt8 *) MemHandleLock(recHandle);
...
MemMove(pSig, recPtr[sizeof(UInt32)], MemPtrSize(recPtr)-sizeof(UInt32));
Neil
--
Neil Rhodes
Calliope Enterprises, Inc.
1328 Clock Avenue
Redlands, CA 92374
(909) 793-5995 [EMAIL PROTECTED] fax: (909) 793-2545
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