-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <malloc.h>
-#include "busybox.h"
-
-#define BLOCK_SIZE 60
-#define PRESERVE_DATE 1 /* preserve original dates */
-#define VERBOSE 2 /* be verbose */
-#define DISPLAY 4 /* display contents */
-#define EXT_TO_FILE 8 /* extract contents of archive */
-#define EXT_TO_STDOUT 16 /* extract to stdout */
-#define RECURSIVE 32
-
-#define MAX_NAME_LENGTH 100
-
-//#define BB_DECLARE_EXTERN
-//#define bb_need_io_error
-//#include "messages.c"
-
-//#define BB_AR_EXPERIMENTAL_UNTAR
-
-#if defined BB_AR_EXPERIMENTAL_UNTAR
-typedef struct rawTarHeader {
- char name[100]; /* 0-99 */
- char mode[8]; /* 100-107 */
- char uid[8]; /* 108-115 */
- char gid[8]; /* 116-123 */
- char size[12]; /* 124-135 */
- char mtime[12]; /* 136-147 */
- char chksum[8]; /* 148-155 */
- char typeflag; /* 156-156 */
- char linkname[100]; /* 157-256 */
- char magic[6]; /* 257-262 */
- char version[2]; /* 263-264 */
- char uname[32]; /* 265-296 */
- char gname[32]; /* 297-328 */
- char devmajor[8]; /* 329-336 */
- char devminor[8]; /* 337-344 */
- char prefix[155]; /* 345-499 */
- char padding[12]; /* 500-512 */
-} rawTarHeader_t;
-#endif
-
-typedef struct rawArHeader { /* Byte Offset */
- char name[16]; /* 0-15 */
- char date[12]; /* 16-27 */
- char uid[6], gid[6]; /* 28-39 */
- char mode[8]; /* 40-47 */
- char size[10]; /* 48-57 */
- char fmag[2]; /* 58-59 */
-} rawArHeader_t;
-
-typedef struct headerL {
- char name[MAX_NAME_LENGTH];
- size_t size;
- uid_t uid;
- gid_t gid;
- mode_t mode;
- time_t mtime;
- off_t offset;
- struct headerL *next;
-} headerL_t;
-
-#if defined BB_AR_EXPERIMENTAL_UNTAR
-/*
- * identify Tar header (magic field) and reset srcFd to entry position
- */
-static int checkTarMagic(int srcFd)
-{
- off_t headerStart;
- char magic[6];
-
- headerStart = lseek(srcFd, 0, SEEK_CUR);
- lseek(srcFd, (off_t) 257, SEEK_CUR);
- full_read(srcFd, magic, 6);
- lseek(srcFd, headerStart, SEEK_SET);
- if (strncmp(magic, "ustar", 5)!=0)
- return(FALSE);
- return(TRUE);
-}