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Re: Reading data from a file descriptor
From: |
Thompson, David |
Subject: |
Re: Reading data from a file descriptor |
Date: |
Sun, 15 Nov 2015 07:05:27 -0500 |
On Sun, Nov 15, 2015 at 6:09 AM, Jan Synáček <address@hidden> wrote:
> On Fri, Nov 13, 2015 at 9:45 PM, Thompson, David
> <address@hidden> wrote:
>> On Fri, Nov 13, 2015 at 3:41 PM, Jan Synáček <address@hidden> wrote:
>>>
>>> I have an open fd to a unix socket and I want to read data from it. I
>>> know that the data is going to be only strings, but I don't know the
>>> length in advance. The good thing about using read-string!/partial is,
>>> that I don't have to specify how many bytes I want to read and it does
>>> the right thing. If you point me to a better direction, I'll be
>>> grateful. I came up with:
>>>
>>> (for-each (lambda (fd)
>>> (let* ((buf (make-string 4096)))
>>> (read-string!/partial buf (fdes->inport fd))
>>> (format #t "fd[~a]: ~a" fd buf) (newline)))
>>> fds)
>>>
>>
>> Maybe 'read-string' in (ice-9 rdelim) is what you're after.
>>
>> - Dave
>
> For some reason, 'read-string' blocks when I don't specify a small enough
> limit.
That's how I/O operations work. 'read-string' blocks until the end of
file. Guess I misunderstood what you're after.
- Dave
- Reading data from a file descriptor, Jan Synáček, 2015/11/07
- Re: Reading data from a file descriptor, Artyom Poptsov, 2015/11/07
- Re: Reading data from a file descriptor, Artyom Poptsov, 2015/11/07
- Re: Reading data from a file descriptor, Andreas Rottmann, 2015/11/07
- Re: Reading data from a file descriptor, Jan Synáček, 2015/11/09
- Re: Reading data from a file descriptor, Mark H Weaver, 2015/11/13
- Re: Reading data from a file descriptor, Jan Synáček, 2015/11/13
- Re: Reading data from a file descriptor, Thompson, David, 2015/11/13
- Re: Reading data from a file descriptor, Jan Synáček, 2015/11/16
- Re: Reading data from a file descriptor,
Thompson, David <=
- Re: Reading data from a file descriptor, Amirouche Boubekki, 2015/11/16
- Re: Reading data from a file descriptor, tomas, 2015/11/17
- Re: Reading data from a file descriptor, Chris Vine, 2015/11/17
- Re: Reading data from a file descriptor, tomas, 2015/11/17
- Re: Reading data from a file descriptor, Chris Vine, 2015/11/17
- Re: Reading data from a file descriptor, tomas, 2015/11/17
- Re: Reading data from a file descriptor, Jan Synáček, 2015/11/18
- Re: Reading data from a file descriptor, tomas, 2015/11/16
- Re: Reading data from a file descriptor, Andreas Rottmann, 2015/11/23
- Re: Reading data from a file descriptor, tomas, 2015/11/24