/usr/include/dpkg/tarfn.h is in libdpkg-dev 1.19.0.5ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /*
* libdpkg - Debian packaging suite library routines
* tarfn.h - tar archive extraction functions
*
* Copyright © 1995 Bruce Perens
* Copyright © 2009-2014, 2017 Guillem Jover <guillem@debian.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_TARFN_H
#define LIBDPKG_TARFN_H
#include <sys/types.h>
#include <stdint.h>
#include <dpkg/file.h>
/**
* @defgroup tar Tar archive handling
* @ingroup dpkg-public
* @{
*/
#define TARBLKSZ 512
enum tar_format {
TAR_FORMAT_OLD,
TAR_FORMAT_GNU,
TAR_FORMAT_USTAR,
TAR_FORMAT_PAX,
};
enum tar_filetype {
/** For compatibility with decades-old bug. */
TAR_FILETYPE_FILE0 = '\0',
TAR_FILETYPE_FILE = '0',
TAR_FILETYPE_HARDLINK = '1',
TAR_FILETYPE_SYMLINK = '2',
TAR_FILETYPE_CHARDEV = '3',
TAR_FILETYPE_BLOCKDEV = '4',
TAR_FILETYPE_DIR = '5',
TAR_FILETYPE_FIFO = '6',
TAR_FILETYPE_GNU_LONGLINK = 'K',
TAR_FILETYPE_GNU_LONGNAME = 'L',
};
struct tar_entry {
/** Tar archive format. */
enum tar_format format;
/** File type. */
enum tar_filetype type;
/** File name. */
char *name;
/** Symlink or hardlink name. */
char *linkname;
/** File size. */
off_t size;
/** Last-modified time. */
time_t mtime;
/** Special device for mknod(). */
dev_t dev;
struct file_stat stat;
};
typedef int tar_read_func(void *ctx, char *buffer, int length);
typedef int tar_make_func(void *ctx, struct tar_entry *h);
struct tar_operations {
tar_read_func *read;
tar_make_func *extract_file;
tar_make_func *link;
tar_make_func *symlink;
tar_make_func *mkdir;
tar_make_func *mknod;
};
uintmax_t
tar_atoul(const char *s, size_t size, uintmax_t max);
intmax_t
tar_atosl(const char *s, size_t size, intmax_t min, intmax_t max);
void
tar_entry_update_from_system(struct tar_entry *te);
int tar_extractor(void *ctx, const struct tar_operations *ops);
/** @} */
#endif
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