Re: Big Endian Byte Ordering

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From: Arkady Frenkel (arkadyf_at_hotmailxdotxcom)
Date: 01/08/05

  • Next message: Severian: "Re: Big Endian Byte Ordering" 
    Date: Sat, 8 Jan 2005 09:33:38 +0200

    Or it have to be the same on server and clients , otherwise you can spend a
    lot of time for debugging that
    Arkady

    "Doron Holan [MS]" <doronh@nospam.microsoft.com> wrote in message
    news:uHuzHqT9EHA.2180@TK2MSFTNGP10.phx.gbl...
    > If this is a network protocol structure, pay special attention to Scott's
    > advice about packing. if you need strict absolute field offsets from the
    > start of the structure, you will need probably set the packing level to 1.
    >
    > d
    >
    > --
    > Please do not send e-mail directly to this alias. this alias is for
    > newsgroup purposes only.
    > This posting is provided "AS IS" with no warranties, and confers no
    rights.
    >
    >
    > "Scott McPhillips [MVP]" <org-dot-mvps-at-scottmcp> wrote in message
    > news:O03eBXS9EHA.1260@TK2MSFTNGP12.phx.gbl...
    > > Jonathan Wood wrote:
    > >> I have a question about big-endian byte ordering.
    > >>
    > >> I know that with, for example, a WORD value, big endian byte ordering
    > >> puts
    > >> the two bytes in the reverse order that little endian does, which is
    used
    > >> by
    > >> Intel processors.
    > >>
    > >> What I don't know is what happens in the case of structures. For
    example,
    > >> I
    > >> know each member in the structure has its bytes reversed. But are all
    > >> bytes
    > >> of the structure reversed?
    > >>
    > >> I'm trying to figure out how to convert a structure data type fo big
    > >> endian
    > >> and I don't know if I can simply reverse all the bytes, or if I need to
    > >> do
    > >> something more complicated like just reverse the bytes of each member.
    > >>
    > >> Thanks for any tips!
    > >>
    > >
    > > The endian-ness affects individual members only and is determined by the
    > > CPU. Structure packing and arrangement is determined by the compiler.
    > >
    > > --
    > > Scott McPhillips [VC++ MVP]
    > >
    >
    >

  • Next message: Severian: "Re: Big Endian Byte Ordering"

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      ... Or it have to be the same on server and clients, ... you will need probably set the packing level to 1. ... > Please do not send e-mail directly to this alias. ...
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