From: Basile STARYNKEVITCH <basile@starynkevitch.net>
To: Mikkel Christiansen <mixxel@cs.auc.dk>
Cc: caml-list@inria.fr
Subject: [Caml-list] Buffer.add error
Date: Wed, 8 Jan 2003 11:08:45 +0100 [thread overview]
Message-ID: <15899.63661.698094.412051@hector.lesours> (raw)
In-Reply-To: <3E1BF50A.7070401@cs.auc.dk>
>>>>> "Mikkel" == Mikkel Christiansen <mixxel@cs.auc.dk> writes:
Mikkel> Hi I'm having trouble with the buffer library in ocaml
Mikkel> (version 3.06 - debian). Program was compiled to native
Mikkel> using ocamlopt.
Mikkel> When generating a rather large string I get the following
Mikkel> error:
Mikkel> Fatal error: exception Failure("Buffer.add: cannot
Mikkel> grow buffer")
Mikkel> Is there any way to avoid this (except writing directly to
Mikkel> a file)?
I suggest looking into the sources. In ocaml/stdlib/buffer.ml you can
read (near line 43)
if b.position + more <= Sys.max_string_length
then new_len := Sys.max_string_length
else failwith "Buffer.add: cannot grow buffer"
So basically, you are hitting the limits of maximal string size (which
is 2^24 = 16777216 on 32 bits plateform).
Hence you cannot avoid it, except by switching to a 64 bits plateform.
You might change your algorithms - perhaps by keeping in memory a
vector of buffers or lines or paragraphs (whatever these are in your
application).
--
Basile STARYNKEVITCH http://starynkevitch.net/Basile/
email: basile<at>starynkevitch<dot>net
alias: basile<at>tunes<dot>org
8, rue de la Faïencerie, 92340 Bourg La Reine, France
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next prev parent reply other threads:[~2003-01-08 10:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-08 9:53 Mikkel Christiansen
2003-01-08 10:08 ` Basile STARYNKEVITCH [this message]
2003-01-08 17:02 ` Eric C. Cooper
2003-01-09 20:34 ` Xavier Leroy
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