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Subject: Re: For engine authors, end-of-file on input

Author: Sune Fischer

Date: 02:31:33 04/14/04

On April 13, 2004 at 07:08:19, Fabien Letouzey wrote:

>
>Hello,
>
>I have a request for all engine authors.  Please let the engine quit
>when end-of-file is read on input.  This applies to xboard, UCI and
>even console engines.
>
>I know the engine is supposed to receive "quit" first in both xboard
>and UCI, but the interface (whether graphical or not) might crash or
>get killed or whatever.  If end-of-file is received, how are you going
>to get new commands???
>
>I guess most engines use fgets() to read input, just test the return
>value for NULL.  Technically is could be an error or end-of-file then,
>you can use ferror() and feof() if you wish to distinguish.  If you
>use read() or the like then 0 means EOF was reached.

Testing for NULL doesn't seem to work, it still hangs when the GUI crashes.

Perhaps I'm doing it wrong, should it be if (stdin==NULL)?

-S.

Re: For engine authors, end-of-file on input Tord Romstad 03:41:10 04/14/04
- Re: For engine authors, end-of-file on input Sune Fischer 03:50:21 04/14/04
Re: For engine authors, end-of-file on input Fabien Letouzey 02:43:24 04/14/04
- Re: For engine authors, end-of-file on input Sune Fischer 03:46:56 04/14/04
  - Re: For engine authors, end-of-file on input Sune Fischer 04:09:04 04/14/04
  - Re: For engine authors, end-of-file on input Fabien Letouzey 04:04:17 04/14/04
    - Re: For engine authors, end-of-file on input Sune Fischer 04:13:29 04/14/04
      - Re: For engine authors, end-of-file on input Fabien Letouzey 04:35:18 04/14/04
        
        Re: For engine authors, end-of-file on input Sune Fischer 04:46:30 04/14/04
        
        Re: For engine authors, end-of-file on input Fabien Letouzey 04:50:57 04/14/04
        
        Re: For engine authors, end-of-file on input Sune Fischer 04:58:27 04/14/04
        
        Re: Windows and pipes Fabien Letouzey 05:08:37 04/14/04
        
        Re: Windows and pipes Dieter Buerssner 12:52:12 04/14/04
        
        Re: Windows and pipes Fabien Letouzey 01:57:33 04/15/04
        
        Re: Windows and pipes Sune Fischer 14:02:42 04/14/04
        
        Re: Windows and pipes Fabien Letouzey 02:01:28 04/15/04
        
        Re: Windows and pipes Sune Fischer 02:16:46 04/15/04

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