[RFC][icedtea-web] Fix for PR855: AppletStub getDocumentBase() doesn't return full URL

[Danesh Dadachanji]

Hi,

This patch is a fix for PR855[1]. The return of getDocumentBase() 
currently doesn't include the HTML file. According to the docs, it 
should return the entire path of the HTML, including the filename.

Attached is a patch that adds this. I've checked all the traces of the 
bytes grabbed from the pipe over on the java side. I believe I covered 
every read and assignment of the buffer/vars setup from the buffer and 
so on. We fortunately only ever used getDocumentBase()'s return to grab 
the host IP or use it as a base URL. The latter code grabbed the return 
and cut off everything after the last '/', which back before patch is 
the entire URL, post patch is the URL excluding the file name.

Okay for HEAD? Thoughts on backporting to release branches? It was 
reported against 1.1.3 but this is a pretty big change that potentially 
affects the way users' applications behave.

+2012-02-03  Danesh Dadachanji  <ddadacha at redhat.com>
+
+	PR855: AppletStub getDocumentBase() doesn't return full URL
+	* plugin/icedteanp/IcedTeaNPPlugin.cc (plugin_get_documentbase): Fixed
+	location string storing the document base to include the HTML file.
+

Regards,
Danesh

[1] http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=855
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