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Re: [plt-scheme] Binary file access



Right!
I now do not need v103 anymore. So I update to v200.
Problem is fixed :)

Thanks,

> ---------- Initial message -----------
> 
> From    : Noel Welsh <noelwelsh@yahoo.com>
> To      : Sylvain Beucler
<sylvain.beucler.fac@libertysurf.fr>
> Cc      : 
> Date    : Wed, 29 May 2002 01:39:01 -0700 (PDT)
> Subject : Re: [plt-scheme] Binary file access
> 
> --- Sylvain Beucler
> <sylvain.beucler.fac@libertysurf.fr> wrote:
> > The code for binary reading was really
> interesting...
> 
> Make sure you test the code.  It's written for
> little-endian systems so it may not work if you have a
> big-endian system (from memory so subject to error). 
> Alternatively you could switch to using v200; it's
> much nicer.
>  
> > I do not need to use float numbers, but I also
> > checked
> > binary-io.c; I noticed though, that the u32_t
> > hv_read_u32
> > function is not complete, and I could not find the
> > datatypes.h file needed for compiling. I am not very
> > good
> > (even bad) using C so maybe I am wrong.
> 
> No you're right.  It depends on my implementation of
> SRFI-4 for v103.  
>  
> > Now I just have to make Scheme write to files the
> > same way
> 
> Just do the reverse of the read operation.  Mask out
> the byte in question and write it as a character.  Or
> change to using v200.
> 
> Did I mention v200?  You should switching to it; it's
> a much nicer system.
> 
> Regards,
> Noel


-- 
Sylvain Beucler
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