tar.h

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/*
  BSD 3-Clause License
 
  Copyright (c) 2023, Mohammad Arfan
  All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
 
  1. Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
 
  2. Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.
 
  3. Neither the name of the copyright holder nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.
 
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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*/
 
#ifndef __KERNEL__LIBK__FS__TAR_H_
#define __KERNEL__LIBK__FS__TAR_H_
 
// This is a struct for the tar header
typedef struct {
    char filename[100];
    char mode[8];
    char uid[8];
    char gid[8];
    char size[12];
    char mtime[12];
    char checksum[8];
    char typeflag;
    char linkname[100];
    char ustar[6];
    char ustar_version[2];
    char owner_user[32];
    char owner_group[32];
    char dev_major[8];
    char dev_minor[8];
    char filename_prefix[155];
    char _padding[12]; /* <-- tambah ini biar tepat 512 */
} __attribute__((packed)) TarHeader;
 
static_assert(sizeof(TarHeader) == 512, "");
 
#endif // __KERNEL__LIBK__FS__TAR_H_