GNU bug report logs - #9508
23.2; Phantom result from eudc-expand-inline

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Message #8 received at 9508 <at> debbugs.gnu.org (full text, mbox):

From: "Goldberg,David S." <dsg <at> mitre.org>
To: <9508 <at> debbugs.gnu.org>
Subject: Phantom result from eudc-expand-inline
Date: Fri, 16 Sep 2011 16:05:25 -0400

I've edebugged it further.  It appears the problem is in the function ldap-search-internal, which is always returns a list, the car of which is the symbol 'nil.  That is if there's no match, it returns '(nil).  If there is a match (or multiple) it returns '(nil (match1) (match2)) and so on.

A fix that works for me is this trivial patch:

--- -	2011-09-16 15:59:22.330294914 -0400
+++ /home/dsg/elisp/ldap.el	2011-09-16 15:54:16.000000000 -0400
@@ -613,7 +613,7 @@
 	  (message "Parsing results... %d" numres)
 	  (1+ numres))
 	(message "Parsing results... done")
-	(nreverse result)))))
+	(cdr (nreverse result))))))
 
 (provide 'ldap)
 
The downside of this patch is that if there is no match, there is no obvious feedback to the user.  I thought about only removing the initial nil if the length is greater than 1 but that breaks looping on a search over multiple attributes.

Thanks,

-- 
Dave Goldberg
Associate Department Head, G06A: Advanced Technical Computing Center
The MITRE Corporation \ MS K331 \ 202 Burlington Rd. \ Bedford, MA 01730
dsg <at> mitre.org \ 781-271-3887 (W) \ 781-439-7875 (M)

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