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Re: portable code

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On Monday, 23 April 2012 15:31:46 UTC+2, Dag-Erling Smørgrav  wrote:
> then the following:
> 
>     unsigned int i = 0x01020304;
>     write((i >> 24) & 0xFF);
>     write((i >> 16) & 0xFF);
>     write((i >> 8) & 0xFF);
>     write(i & 0xFF);
>     rewind(f);
>     i = 0;
>     i += (read() >> 24);
>     i += (read() >> 16);
>     i += (read() >> 8);
>     i += (read());
>     printf("i = 0x%x\n", i);
> 
> will print
> 
>     i = 0x4

The snippet has wrong direction of the bit shifts for reads. 
Correct would be:

i += (read() << 24);
i += (read() << 16);
i += (read() << 8);
i += (read());

I suspect it's a simple copy-paste error of the original author.
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Re: portable code rangsynth@gmail.com - 2012-04-04 18:05 -0500
  Re: portable code Dag-Erling Smørgrav <des@des.no> - 2012-04-23 08:31 -0500
    Re: portable code Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-04-30 21:59 -0500
      Re: portable code Dag-Erling Smørgrav <des@des.no> - 2012-05-04 17:29 -0500
        Re: portable code Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-05-09 01:06 -0500
    Re: portable code Jiří Zárevúcky <zarevucky.jiri@gmail.com> - 2012-05-04 17:30 -0500

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