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List:       quagga-dev
Subject:    [quagga-dev 1069] Re: Bug in lib/daemon.c [PATCH]
From:       Boris Kovalenko <boris () tagnet ! ru>
Date:       2004-04-21 2:44:26
Message-ID: 4085E00A.7080605 () tagnet ! ru
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Hello!

    I agree with Paul. To clarify the code and to minimize any feature 
errors we should use as more strict equations as possible. So, in a view 
of my POSIX knowledge, I have no objections to use == -1.

Paul Jakma wrote:

>On Tue, 20 Apr 2004, PC Drew wrote:
>
>  
>
>>In my experiences, most POSIX function calls return < 0 on error,
>>so I always check for that.  Is there something wrong with checking
>>< 0 or <= -1?
>>    
>>
>
>For functions that use errno to indicate type of error, do any return 
>values other than -1 (or other documented error value).
>
>For setsid(), is there any system where this function is documented 
>to return a value other than -1? It just seems to me that if its 
>documented to return -1 (not < 0), we should check for -1.
>
>regards,
>  
>

-- 
With respect,
	Boris


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