1 This patch was fed back to the upstream community:

     2 http://code.google.com/p/libarchive/issues/detail?id=286

     3 Given the response "I applied your patch to zip writer."

     4 it should no longer be needed with the next release.

     5 

     6 --- libarchive/libarchive/archive_write_set_format_zip.c.orig	Mon Mar 26 19:49:00 2012

     7 +++ libarchive/libarchive/archive_write_set_format_zip.c	Tue Nov 27 17:31:42 2012

     8 @@ -842,6 +842,8 @@

     9  	type = archive_entry_filetype(entry);

    10  	path = archive_entry_pathname(entry);

    11  

    12 +	if (path == NULL)

    13 +		return (0);

    14  	if ((type == AE_IFDIR) & (path[strlen(path) - 1] != '/')) {

    15  		return strlen(path) + 1;

    16  	} else {