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Re: alignement or compiler bug?
> Everything is size_t, which is unsigned AFAIK
Doh! I got size_t and ssize_t mixed up.
> In a core dump left from a previous attempt, data_len is 0xbb5d7050
> so it would say it is really corrupted.
Yeah, unless your PAGE_SIZE is 16 or less, which seems unlikely. :-)
Or not a power of two, I suppose, which seems even less likely.
> Here is the assembly leading to memcpy. The 0x28 is sizeof(*fwi),
> which suggests a correct (fwi + 1)
> It seems to be the test that saves my day:
> if (data != ((char *)fwi) + sizeof(*fwi))
How odd. The only theory I have which can account for that is a
compiler bug of some sort, and the code you quoted looks correct, at
least on superficiall inspection.
I'd have to have a look at the code you omitted. It's late enough now
I'm not going to try to deal with figuring out pkgsrc now, though. I
hope to find the time to have a look in the next few days....
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