GNU bug report logs - #4191
23.1; Infinite recursion in url-generic-parse-url

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: "Oliver, Peter" <Peter.Oliver <at> eon-is.co.uk>
Subject: bug#4191 closed by Chong Yidong <cyd <at> stupidchicken.com> (Re:
 23.1; Infinite recursion in url-generic-parse-url)
Date: Sat, 12 Sep 2009 00:55:04 +0000

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This is an automatic notification regarding your bug report
which was filed against the emacs package:

#4191: 23.1; Infinite recursion in url-generic-parse-url

It has been closed by Chong Yidong <cyd <at> stupidchicken.com>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Chong Yidong <cyd <at> stupidchicken.com> by
replying to this email.


-- 
4191: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4191
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: "Oliver\, Peter" <Peter.Oliver <at> eon-is.co.uk>
Cc: 4191-done <at> debbugs.gnu.org
Subject: Re: 23.1; Infinite recursion in url-generic-parse-url
Date: Fri, 11 Sep 2009 20:47:58 -0400

> When an HTTP URL passed to url-generic-parse-url does not include a
> port number, and the environment variable http_proxy is set and also
> does not include a port number, infinite recursion results.

Thanks for the bug report.  I've checked a fix into the trunk.

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From: "Oliver, Peter" <Peter.Oliver <at> eon-is.co.uk>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: 23.1; Infinite recursion in url-generic-parse-url
Date: Tue, 18 Aug 2009 16:14:33 +0100

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When an HTTP URL passed to url-generic-parse-url does not include a port number, and the environment variable http_proxy is set and also does not include a port number, infinite recursion results.  See the following backtrace for an example:

Debugger entered--Lisp error: (error "Variable binding depth exceeds max-specpdl-size")
  url-generic-parse-url("http://proxy")
...
  url-generic-parse-url("http://proxy")
  url-scheme-register-proxy("http")
  url-scheme-get-property("http" default-port)
  url-generic-parse-url("http://proxy")
  url-scheme-register-proxy("http")
  url-scheme-get-property("http" default-port)
  url-generic-parse-url("http://www.some.where/")
  eval((url-generic-parse-url "http://www.some.where/"))

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