Small utility collection for dealing with file archives that have dependencies
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pkg-utils/include/pkgformat.h

77 lines
1.3 KiB

/* SPDX-License-Identifier: ISC */
#ifndef PKG_FORMAT_H
#define PKG_FORMAT_H
#include <sys/types.h>
#include <stdint.h>
#include <stddef.h>
#include <endian.h>
typedef enum {
PKG_MAGIC_HEADER = 0x21676B70,
PKG_MAGIC_TOC = 0x21636F74,
PKG_MAGIC_DATA = 0x21746164,
} PKG_MAGIC;
typedef enum {
PKG_COMPRESSION_NONE = 0,
PKG_COMPRESSION_ZLIB = 1,
PKG_COMPRESSION_LZMA = 2,
} PKG_COMPRESSION;
typedef enum {
PKG_DEPENDENCY_REQUIRES = 0,
} PKG_DEPENDENCY_TYPE;
typedef struct {
uint32_t magic;
uint8_t compression;
uint8_t pad0;
uint8_t pad1;
uint8_t pad2;
uint64_t compressed_size;
uint64_t raw_size;
/* uint8_t data[]; */
} record_t;
typedef struct {
uint32_t mode;
uint32_t uid;
uint32_t gid;
uint16_t path_length;
/* uint8_t path[]; */
} toc_entry_t;
typedef struct {
uint16_t target_length;
/* uint8_t target[]; */
} toc_symlink_extra_t;
typedef struct {
uint64_t size;
uint32_t id;
} toc_file_extra_t;
typedef struct {
uint64_t devno;
} toc_device_extra_t;
typedef struct {
uint32_t id;
/* uint8_t data[]; */
} file_data_t;
typedef struct {
uint16_t num_depends;
/* pkg_dependency_t depends[]; */
} pkg_header_t;
typedef struct {
uint8_t type;
uint8_t name_length;
/* uint8_t name[]; */
} pkg_dependency_t;
#endif /* PKG_FORMAT_H */