19 lines
876 B
Common Lisp
19 lines
876 B
Common Lisp
;; Makes a-list with '((hours . HOURS) (minutes . MINUTES) (seconds . SECONDS) (cs . CENTISECONDS))
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(defun make-time-alist (cs)
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`((hours . ,(floor (/ cs (* 100 60 60))))
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(minutes . ,(floor (mod (/ cs (* 100 60)) 60)))
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(seconds . ,(floor (mod (/ cs 100) 60)))
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(cs . ,(mod cs 100))))
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;; Formats, disregarding min/hour if they shouldn't be shown, a time alist to "H:M:S.ms"
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(defun format-time (time-alist)
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(let
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((hours (cdr (assoc 'hours time-alist)))
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(minutes (cdr (assoc 'minutes time-alist)))
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(seconds (cdr (assoc 'seconds time-alist)))
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(centis (cdr (assoc 'cs time-alist))))
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(concatenate 'string
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(unless (zerop hours) (format nil "~2,'0d:" hours))
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(unless (and (zerop minutes) (zerop hours)) (format nil "~2,'0d:" minutes))
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(format nil "~2,'0d.~2,'0d" seconds centis))))
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