;;; gnus-util.el --- utility functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2011 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(eval-when-compile
(require 'cl))
+(require 'time-date)
+
(defcustom gnus-completing-read-function 'gnus-emacs-completing-read
"Function use to do completing read."
:version "24.1"
(and (= (car fdate) (car date))
(> (nth 1 fdate) (nth 1 date))))))
+;; Every version of Emacs Gnus supports has built-in float-time.
+;; The featurep test silences an irritating compiler warning.
(eval-and-compile
(if (or (featurep 'emacs)
- (and (fboundp 'float-time)
- (subrp (symbol-function 'float-time))))
+ (fboundp 'float-time))
(defalias 'gnus-float-time 'float-time)
(defun gnus-float-time (&optional time)
"Convert time value TIME to a floating point number.
(save-match-data
(string-match regexp string start))))
-(if (fboundp 'macroexpand-all)
- (defalias 'gnus-macroexpand-all 'macroexpand-all)
- (defun gnus-macroexpand-all (form &optional environment)
- "Return result of expanding macros at all levels in FORM.
+(eval-and-compile
+ (if (fboundp 'macroexpand-all)
+ (defalias 'gnus-macroexpand-all 'macroexpand-all)
+ (defun gnus-macroexpand-all (form &optional environment)
+ "Return result of expanding macros at all levels in FORM.
If no macros are expanded, FORM is returned unchanged.
The second optional arg ENVIRONMENT specifies an environment of macro
definitions to shadow the loaded ones for use in file byte-compilation."
- (if (consp form)
- (let ((idx 1)
- (len (length (setq form (copy-sequence form))))
- expanded)
- (while (< idx len)
- (setcar (nthcdr idx form) (gnus-macroexpand-all (nth idx form)
- environment))
- (setq idx (1+ idx)))
- (if (eq (setq expanded (macroexpand form environment)) form)
- form
- (gnus-macroexpand-all expanded environment)))
- form)))
+ (if (consp form)
+ (let ((idx 1)
+ (len (length (setq form (copy-sequence form))))
+ expanded)
+ (while (< idx len)
+ (setcar (nthcdr idx form) (gnus-macroexpand-all (nth idx form)
+ environment))
+ (setq idx (1+ idx)))
+ (if (eq (setq expanded (macroexpand form environment)) form)
+ form
+ (gnus-macroexpand-all expanded environment)))
+ form))))
(provide 'gnus-util)