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Mail Archives: cygwin-developers/1998/11/13/20:20:13

From: earnie_boyd AT yahoo DOT com (Earnie Boyd)
Subject: Re: Error in dup???
13 Nov 1998 20:20:13 -0800 :
Message-ID: <19981114041054.582.rocketmail.cygnus.cygwin32.developers@send1b.yahoomail.com>
Reply-To: earnie_boyd AT yahoo DOT com
Mime-Version: 1.0
To: cygwin developers <cygwin32-developers AT cygnus DOT com>

---Corinna Vinschen <corinna DOT vinschen AT cityweb DOT de> wrote:
<snip> 
> 	...
> 	close(0);
> 	(void) dup(foo_fd);
> 	...
> 

It appears that the coder is assuming that dup will use the first
available file descriptor.  This may not be true in all cases.

<snip> 
> 	...
> 	close(0);
> 	(void) dup2(foo_fd, 0);
> 	...

For systems that support dup2 this would be more correct.


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