rosetta/sys/bootstrap/tar.h

#ifndef TAR_H_
#define TAR_H_

#include <fs/context.h>
#include <fs/status.h>
#include <mango/types.h>
#include <stddef.h>
#include <stdint.h>

struct tar {
	struct tar_bin_header *tar_entries;
};

struct tar_bin_header {
	char filename[100];
	char mode[8];
	char uid[8];
	char gid[8];
	char size[12];
	char mtime[12];
	char chksum[8];
	char typeflag[1];
} __attribute__((aligned(512)));

struct tar_header {
	char filename[100];
	size_t size;
};

struct tar_file {
	struct tar_header f_header;
	const void *f_data;
};

extern int tar_init(struct tar *tar, uintptr_t base);

extern int tar_open(struct tar *tar, const char *path, struct tar_file *out);

extern int tar_file_create_vm_object(
	const struct tar_file *file,
	kern_handle_t *out);

extern int tar_header_decode(
	const struct tar_bin_header *in,
	struct tar_header *out);

extern enum fs_status tar_mount(
	struct fs_context *ctx,
	void *arg,
	enum fs_mount_flags flags,
	struct fs_superblock **out);

#endif