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Re: rfc: vmem(9) API/implementation changes
On Wed, 27 Jul 2011, David Young wrote:
> There are a couple of changes to the API that I would like to make.
> First, I don't think that vmem_addr_t 0 should be reserved for error
> indications (0 == VMEM_ADDR_NULL), but the API should change from
I'd recommend returning -1 on error. 0 is a valid address, but while -1
is a valid address, when do you ever use this interface to allocate
something that starts at address -1? And it gets around all the noxious
problems involved in returning data through reference parameters.
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