bp_get_blog_permalink()

	function bp_get_blog_permalink() {
		global $blogs_template;

		if ( empty( $blogs_template->blog->domain ) )
			$permalink = bp_get_root_domain() . $blogs_template->blog->path;
		else {
			$protocol = 'http://';
			if ( is_ssl() )
				$protocol = 'https://';

			$permalink = $protocol . $blogs_template->blog->domain . $blogs_template->blog->path;
		}

		/**
		 * Filters the blog permalink.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param string $permalink Permalink URL for the blog.
		 */
		return apply_filters( 'bp_get_blog_permalink', $permalink );
	}