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Ray Lee wrote: > On 12/4/06, Kristian Høgsberg <krh@redhat.com> wrote: >> Ok... I was planning to make big-endian versions of the structs so >> that the >> endian issue would be solved. But if the bit layout is not consistent, I >> guess bitfields are useless for wire formats. I didn't know that >> though, I >> thought the C standard specified that the compiler should allocate >> bits out of >> a word using the lower bits first. > > The C standard explicitly allows it to be implementation defined. > Having been bit by this exact problem, I can also recommend never > using bitfields for anything other than things kept solely in local > memory. Yeah, I just read that paragraph in K&R... sigh. Bitfields make the code so readable, though :) Anyway, I'll rewrite it to use good old shifting and masking. Kristian - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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