68 lines
1.7 KiB
Scheme
68 lines
1.7 KiB
Scheme
;;
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;; util-time.scm
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;;
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;; Compatibility module for 5.2- vs 5.3+ chicken versions.
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;;
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;; ISC License
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;;
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;; Copyright 2023 Brmlab, z.s.
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;; Dominik Pantůček <dominik.pantucek@trustica.cz>
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;;
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;; Permission to use, copy, modify, and/or distribute this software
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;; for any purpose with or without fee is hereby granted, provided
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;; that the above copyright notice and this permission notice appear
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;; in all copies.
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;;
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;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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;;
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(declare (unit util-time))
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(module
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util-time
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(
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current-util-milliseconds
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today/iso
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)
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(import scheme
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(chicken time)
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(chicken time posix)
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(chicken format))
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;; Compatibility wrapper
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(define (current-util-milliseconds)
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(cond-expand
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(chicken-5.0
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(current-milliseconds))
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(chicken-5.1
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(current-milliseconds))
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(chicken-5.2
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(current-milliseconds))
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(else
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(current-process-milliseconds))))
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;; Returns today as YYYY-MM-DD string
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(define (today/iso)
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(let ((d (seconds->local-time)))
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(format "~A-~A-~A"
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(number->string
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(+ 1900 (vector-ref d 5)))
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(substring
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(number->string
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(+ 101 (vector-ref d 4)))
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1)
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(substring
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(number->string
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(+ 100 (vector-ref d 3)))
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1))))
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)
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