From: Xavier Leroy <xavier.leroy@inria.fr>
To: Attila Kondacs <attila@zurich.ai.mit.edu>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] reading/converting little endian
Date: Fri, 22 Feb 2002 16:54:44 +0100 [thread overview]
Message-ID: <20020222165444.D28355@pauillac.inria.fr> (raw)
In-Reply-To: <Pine.LNX.4.21.0202191035090.13179-100000@neuchatel.ai.mit.edu>; from attila@zurich.ai.mit.edu on Tue, Feb 19, 2002 at 10:36:57AM -0500
> I wonder if there is a way to read or convert little endian numbers
> in ocaml. I am trying to write an interface to WAV audio files, and their
> headers contain little endian as well as some
> big endian words...
Your best bet is to read byte per byte and reassemble words yourself:
let input_int2_le ic =
let b1 = input_byte ic in
let b2 = input_byte ic in
b1 lor (b2 lsl 8)
let input_int2_be ic =
let b1 = input_byte ic in
let b2 = input_byte ic in
(b1 lsl 8) lor b2
and similarly for 4-byte integers.
- Xavier Leroy
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next prev parent reply other threads:[~2002-02-22 15:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-19 15:36 Attila Kondacs
2002-02-22 15:54 ` Xavier Leroy [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-02-19 0:54 Attila Kondacs
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