Re: [Chicken-users] chicken-install from behind a proxy

[Felix]

From: Paul Romanchenko <address@hidden>
Subject: Re: [Chicken-users] chicken-install from behind a proxy
Date: Fri, 23 Apr 2010 12:32:44 +0400

> I think this can be related:
> 
> I have a file with 2 digits:
> 
> $ od -c /tmp/xy
> 0000000   1  \n   2  \n
> 0000004
> 
> Also I have a simple tcp server which echoed the same 2 digits then
> closes connection:
> $ netcat localhost 9999 | od -c
> 0000000   1  \n   2  \n
> 0000004
> 
> Let's make a function which reads number, CR, number from given input port:
> (define (test i)
>   (with-input-from-port i
>     (lambda () (printf "~a~a~a~%" (read) (read-line) (read)))))
> 
> And test it against file and server:
> (let-values (((i o) (tcp-connect "localhost" 9999)))
>   (test i)
>   (test (open-input-file "/tmp/xy")))
> 
> $ csi cln.scm
> 
> CHICKEN
> (c)2008-2010 The Chicken Team
> (c)2000-2007 Felix L. Winkelmann
> Version 4.4.6
> linux-unix-gnu-x86-64 [ 64bit manyargs dload ptables ]
> compiled 2010-04-16 on gladstone.duckburg.org (Linux)
> 
> ; loading cln.scm ...
> ; loading library tcp ...
> 12#!eof
> 12
> #;1>
> 
> Different results.
> 

You found it. Apparently the input functions for tcp-ports
ignore a peek'd and unread character. Damn.

Thanks a lot for your help!


cheers,
felix