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Mercurial > core / lisp/lib/dat/tar.lisp

changeset 698: 96958d3eb5b0
parent: c40d2a41d7ce
author: Richard Westhaver <ellis@rwest.io>
date: Fri, 04 Oct 2024 22:04:59 -0400
permissions: -rw-r--r--
description: fixes 
     1 ;;; tar.lisp --- Tarballs
     2 
     3 ;; Unix Tape Archive Formats.
     4 
     5 ;;; Commentary:
     6 
     7 ;; wiki: https://en.wikipedia.org/wiki/Tar_(computing)
     8 ;; gnu-tar: https://www.gnu.org/software/tar/manual/html_node/Standard.html
     9 
    10 ;; ustar: https://wiki.osdev.org/USTAR
    11 
    12 ;; USTAR is the widely-available POSIX standard - PAX never really took off
    13 ;; and CPIO is all but dead.
    14 
    15 ;;; Code:
    16 (in-package :dat/tar)
    17 
    18 (defvar *tar-block-bytes* 512)
    19 
    20 (defvar *tar-record-blocks* 20)
    21 
    22 (defvar *tar-record-bytes* (* *tar-block-bytes* *tar-record-blocks*))
    23 
    24 (deferror tar-error () () (:auto t))
    25 
    26 (defclass archive () ())
    27 
    28 (defclass tar-archive (archive) ())
    29 
    30 (defclass tar-entry () ())