caml-list - the Caml user's mailing list
 help / color / mirror / Atom feed
From: Goswin von Brederlow <goswin-v-b@web.de>
To: Stas Miasnikou <stas.miasnikou@gmail.com>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Buffer.add_channel hangs
Date: Thu, 18 Mar 2010 03:53:11 +0100	[thread overview]
Message-ID: <87bpem733c.fsf@frosties.localdomain> (raw)
In-Reply-To: <36ae71be1003171327h3dfe72f5t74d43ebc88035e3d@mail.gmail.com> (Stas Miasnikou's message of "Wed, 17 Mar 2010 22:27:14 +0200")

Stas Miasnikou <stas.miasnikou@gmail.com> writes:

> Hi,
>
> OCaml 3.11.1, OpenBSD 4.6, i386.
>
> I am trying to read whole file by doing:
>
> let read_file_bin name =
>   let ic = open_in_bin name in
>   let b = Buffer.create 1024 in
>   (try Buffer.add_channel b ic max_int with _ -> ()); (* <-- HERE *)
>   close_in ic;
>   Array.init (Buffer.length b) (fun i -> int_of_char (Buffer.nth b i))
>
> but it hangs on the line marked. Am I doing something wrong?
>
> Stas

For the problem see the other mail.

For a better solution I suggest you look at the Bigarray module. You can
mmap your file as int8_unsigned array and have your read_file function
done all in simple step.

MfG
        Goswin


  parent reply	other threads:[~2010-03-18  2:53 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-17 20:27 Stas Miasnikou
2010-03-17 23:20 ` [Caml-list] " Martin Jambon
2010-03-18  6:47   ` Stas Miasnikou
2010-03-18  9:09     ` Fabrice Le Fessant
2010-03-18  2:53 ` Goswin von Brederlow [this message]
2010-03-18 17:52 ` Stas Miasnikou
2010-03-20  8:29   ` Stas Miasnikou

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87bpem733c.fsf@frosties.localdomain \
    --to=goswin-v-b@web.de \
    --cc=caml-list@yquem.inria.fr \
    --cc=stas.miasnikou@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).