[Qt-interest] how to output a user defined struct data to datastream?

[Vincent Cai]

Sorry, but I think the endian is controlled by QDataStream which is platform independent, am I wrong?

-----Original Message-----
From: Andre Haupt [mailto:andre at bitwigglers.org]
Sent: 2011年10月13日 16:46
To: Vincent Cai
Cc: Samuel Gaist; Qt-interest
Subject: Re: [Qt-interest] how to output a user defined struct data to datastream?

On Thu, Oct 13, 2011 at 01:21:31AM -0400, Vincent Cai wrote:
> Thanks.
>         I have try below code and it can work properly, but the code seems a little weird, is there any better way to write the code?
>
>         for (int i = 0; i < sizeof(headerInfo); ++i)
>     {
>         out << (quint8)(*(reinterpret_cast<const char *>(&headerInfo)+i));
>     }

That does not work cross platform, depending on the endianess of the
target system. Please read Samuels answer.

Cheers,

Andre

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