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From: Mark Johnston <markjdb@gmail.com>
Subject: Re: bin/173005: PW(8) - &#39;pw usermod&#39; causes Segmentation
 fault: 11 (core dumped)
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The following reply was made to PR bin/173005; it has been noted by GNATS.

From: Mark Johnston <markjdb@gmail.com>
To: bug-followup@FreeBSD.org, jb.1234abcd@gmail.com
Cc:  
Subject: Re: bin/173005: PW(8) - &#39;pw usermod&#39; causes Segmentation
 fault: 11 (core dumped)
Date: Mon, 29 Oct 2012 00:15:55 -0400

 The error messages aren't different by design though - the different
 behaviour for -g "" is a side-effect of the change I mentioned in the
 first email. There is no practical distinction between those two errors
 anyway - they come from two essentially identical checks at different points
 in the code.
 
 In fact, the "... is not defined" check is redundant and can be
 removed/simplified if my patch is applied. Specifically, that check only
 fails with -g "" in the unpatched pw(8).
 
 -Mark