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Re: getopt_long

To: Scott Bambrough <scottb at netwinder dot org>
Subject: Re: getopt_long
From: Tim Waugh <twaugh at redhat dot com>
Date: Mon, 6 Dec 1999 18:05:22 +0000 (GMT)
cc: libc-hacker <libc-hacker at sourceware dot cygnus dot com>

On Mon, 6 Dec 1999, Scott Bambrough wrote:

> The attached program experiments with getopt_long.  It prints optarg for
> each option, or (null) if optarg is NULL.  If I attempt to use the -o
> option I get the following results.
> 
> $ ./getopt_test -o
> optional argument: (null) 
> 
> $ ./getopt_test -o arg
> optional argument: (null)
> Non - option ARGV elements: arg 

./getopt_test -oarg produces the result you want.  This behaviour is
documented in the man-page.  It boils down to the fact that libc can't
know if 'arg' is supposed to be associated with -o if it's in a separate
word.

Tim.
*/

References:
- getopt_long
  - From: Scott Bambrough

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