[Newbies] Reading and writing C structs

[Ramiro Diaz Trepat]

Yes, if you can load the contents on a ByteArray you can use the method:

array floatAt: position

It works just fine to read contents written from a C program, and I think it
is a bit simpler.

Cheers.


r.



On Wed, Jul 2, 2008 at 12:36 AM, David Finlayson <dfinlayson at usgs.gov>
wrote:

> Thanks. The following methods work, can they be improved/simplified?
>
> double
>        " returns a double "
>        | n a b |
>        a := self uint32.
>        b := self uint32.
>        n := Float new: 2.
>        n at: 1 put: b.
>        n at: 2 put: a.
>        ^n
> float
>        " returns a float "
>        ^Float fromIEEE32Bit: self uint32.
>
> uint32
>        " Answer the next unsigned, 32-bit integer from this little endian
> (binary) stream "
>        ^ aFileStream nextLittleEndianNumber: 4
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