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Remove ls-lisp time-related functions that duplicate standard functions.

* lisp/ls-lisp.el (ls-lisp-time-lessp, ls-lisp-time-to-seconds): Remove.
(ls-lisp-handle-switches): Use time-less-p.
(ls-lisp-format-time): Use float-time.
This commit is contained in:
Glenn Morris 2010-11-09 20:28:16 -08:00
parent 72bc50c029
commit 6e4049508f
2 changed files with 10 additions and 21 deletions

View File

@ -23,6 +23,10 @@
* startup.el (package-initialize): Update declaration.
* ls-lisp.el (ls-lisp-time-lessp, ls-lisp-time-to-seconds): Remove.
(ls-lisp-handle-switches): Use time-less-p.
(ls-lisp-format-time): Use float-time.
* textmodes/remember.el (remember-time-to-seconds): Remove.
(remember-store-in-mailbox): Use float-time.

View File

@ -1,7 +1,7 @@
;;; ls-lisp.el --- emulate insert-directory completely in Emacs Lisp
;; Copyright (C) 1992, 1994, 2000, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Copyright (C) 1992, 1994, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
;; Modified by: Francis J. Wright <F.J.Wright@maths.qmw.ac.uk>
@ -486,8 +486,8 @@ SWITCHES is a list of characters. Default sorting is alphabetic."
(nth 7 (cdr x)))))
((setq index (ls-lisp-time-index switches))
(lambda (x y) ; sorted on time
(ls-lisp-time-lessp (nth index (cdr y))
(nth index (cdr x)))))
(time-less-p (nth index (cdr y))
(nth index (cdr x)))))
((memq ?X switches)
(lambda (x y) ; sorted on extension
(ls-lisp-string-lessp
@ -585,14 +585,6 @@ FOLLOWED by null and full filename, SOLELY for full alpha sort."
(substring filename (1+ i) end))))
)) "\0" filename))
;; From Roland McGrath. Can use this to sort on time.
(defun ls-lisp-time-lessp (time0 time1)
"Return t if time TIME0 is earlier than time TIME1."
(let ((hi0 (car time0)) (hi1 (car time1)))
(or (< hi0 hi1)
(and (= hi0 hi1)
(< (cadr time0) (cadr time1))))))
(defun ls-lisp-format (file-name file-attr file-size switches time-index now)
"Format one line of long ls output for file FILE-NAME.
FILE-ATTR and FILE-SIZE give the file's attributes and size.
@ -672,20 +664,14 @@ Return nil if no time switch found."
((memq ?t switches) 5) ; last modtime
((memq ?u switches) 4))) ; last access
(defun ls-lisp-time-to-seconds (time)
"Convert TIME to a floating point number."
(+ (* (car time) 65536.0)
(cadr time)
(/ (or (nth 2 time) 0) 1000000.0)))
(defun ls-lisp-format-time (file-attr time-index now)
"Format time for file with attributes FILE-ATTR according to TIME-INDEX.
Use the same method as ls to decide whether to show time-of-day or year,
depending on distance between file date and NOW.
All ls time options, namely c, t and u, are handled."
(let* ((time (nth (or time-index 5) file-attr)) ; default is last modtime
(diff (- (ls-lisp-time-to-seconds time)
(ls-lisp-time-to-seconds now)))
(diff (- (float-time time)
(float-time now)))
;; Consider a time to be recent if it is within the past six
;; months. A Gregorian year has 365.2425 * 24 * 60 * 60 ==
;; 31556952 seconds on the average, and half of that is 15778476.
@ -728,5 +714,4 @@ All ls time options, namely c, t and u, are handled."
(provide 'ls-lisp)
;; arch-tag: e55f399b-05ec-425c-a6d5-f5e349c35ab4
;;; ls-lisp.el ends here