Re: url-http does not propagate redirected URL as callback argument

[Thierry Emery]

I wrote:

> url-retrieve is called on a "directory" URL without the ending "/" (and
> a callback function). The Web server returns a redirection status
> (e.g. "301") and the full URL (with the ending "/").
> url-http-parse-headers calls url-retrieve with the redirected URL as
> first argument, but this redirected URL is not passed on as a callback
> argument.  The callback function is then called with the original URL
> (without the ending "/").  As a consequence, any relative URLs inside
> the retrieved document are misinterpreted by the calling package.
>
> The following patch fixes this problem:

Sorry, the previous patch was incorrect, it would cause problems in packages
that needed more than one callback argument.  Please find below a corrected
patch.

Thierry

--- /usr/local/share/emacs/22.0.50/lisp/url/url-http.el 2005-02-14 
10:58:33.000000000 +0100
+++ url-http.el 2005-05-26 10:18:22.000000000 +0200
@@ -500,7 +500,9 @@
                 (url-request-data url-http-data)
                 (url-request-extra-headers url-http-extra-headers))
             (url-retrieve redirect-uri url-callback-function
-                          url-callback-arguments)
+                          (cons redirect-uri
+                                (and url-callback-arguments
+                                     (cdr url-callback-arguments))))
             (url-mark-buffer-as-dead (current-buffer))))))
       (4                               ; Client error
        ;; 400 Bad Request