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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* internal.h
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#ifndef INTERNAL_H
#define INTERNAL_H
#include "config.h"
#include "tar.h"
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <stdio.h>
enum {
PAX_SIZE = 0x001,
PAX_UID = 0x002,
PAX_GID = 0x004,
PAX_DEV_MAJ = 0x008,
PAX_DEV_MIN = 0x010,
PAX_NAME = 0x020,
PAX_SLINK_TARGET = 0x040,
PAX_MTIME = 0x100,
PAX_SPARSE_SIZE = 0x400,
PAX_SPARSE_GNU_1_X = 0x800,
};
enum {
ETV_UNKNOWN = 0,
ETV_V7_UNIX,
ETV_PRE_POSIX,
ETV_POSIX,
};
#define TAR_MAX_SYMLINK_LEN (65536)
#define TAR_MAX_PATH_LEN (65536)
#define TAR_MAX_PAX_LEN (65536)
#define TAR_MAX_SPARSE_ENT (65536)
int read_octal(const char *str, int digits, sqfs_u64 *out);
int read_binary(const char *str, int digits, sqfs_u64 *out);
int read_number(const char *str, int digits, sqfs_u64 *out);
int pax_read_decimal(const char *str, sqfs_u64 *out);
void update_checksum(tar_header_t *hdr);
bool is_checksum_valid(const tar_header_t *hdr);
sparse_map_t *read_sparse_map(const char *line);
sparse_map_t *read_gnu_old_sparse(FILE *fp, tar_header_t *hdr);
sparse_map_t *read_gnu_new_sparse(FILE *fp, tar_header_decoded_t *out);
void free_sparse_list(sparse_map_t *sparse);
size_t base64_decode(sqfs_u8 *out, const char *in, size_t len);
void urldecode(char *str);
char *record_to_memory(FILE *fp, sqfs_u64 size);
int read_pax_header(FILE *fp, sqfs_u64 entsize, unsigned int *set_by_pax,
tar_header_decoded_t *out);
#endif /* INTERNAL_H */
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