/* define.h - global definitions for Tar program (see file tar.c)
 * Author: Shaporev T.V.
 * Creation date: 14 Dec 1990
 */
#ifdef __ALLOCEXT__
#	define EXT
#	define INI(x) = x
#else
#	define EXT extern
#	define INI(x)
#endif

#define ERRARG   1
#define ERINIT   2
#define ERREAD   3
#define EWRITE   4
#define ESMALL   5
#define EINTER   6
#define EXIT     7

#define TRUE     1
#define FALSE    0
#define ERROR    (-1)
#define CORRECT  0
#define MAXBLOCK 32
#define BLKSIZE  512
#define MINTNAME 2
#define MAXTNAME 100
#define dimof(x) (sizeof(x)/sizeof((x)[0]))
#define blank(c) ((c)==' ' || (c)=='\t')
#define space(c) (blank(c) || (c)=='\n' || (c)=='\r')
#define digit(c) ((c)>='0' && (c)<='9')
#define OPTFLAG  '\200'
#define OPTMASK  0177

#ifndef RMKDIR
#	ifdef M_XENIX
#		define RMKDIR
#	endif
#endif
#ifndef RMKDIR
#	ifdef i386
#		define RMKDIR
#	endif
#	ifdef sun
#		define RMKDIR
#	endif
#endif

#ifdef MSDOS
#	include <fcntl.h>
#endif
#ifdef __TURBOC__
#	define write _write
#	define read  _read
#else
#       include <sys/types.h>
#endif
#include <sys/stat.h>
#ifndef S_IREAD
#  	define S_IREAD  00400
#	define S_IWRITE 00200
#	define S_IEXEC  00100
#endif
#ifndef S_ISVTX
#	define S_ISUID 04000
#	define S_ISGID 02000
#	define S_ISVTX 01000
#endif
#ifndef O_RDONLY
#	define O_RDONLY 0
#	define O_WRONLY 1
#	define O_RDWR   2
#	define O_BINARY 0
#endif

EXT struct stat sa, st;
EXT long longcsum, codesize, allblock, allbytes;
EXT short dmajor, dminor;
EXT int allfiles;
#define isfile ((sa.st_mode & S_IFMT) == S_IFREG)
EXT char ndrive;
#ifdef MSDOS
#	define DEV_FILE 0
#	define DEV_FLOP 1
#	define DEV_QIC2 2
#	define DEV_ASPI 3
	EXT char devtype INI(DEV_FILE);
	EXT char setdrive INI(FALSE);
#endif

#ifdef UNIX
	EXT FILE *myinp;
#else
#	define myinp stdin
#endif
EXT FILE *myout;
EXT int  handle, hwrite;
EXT char a_flag, x_flag, t_flag, c_flag, v_flag, u_flag, y_flag, w_flag,
         i_flag, m_flag, d_flag, j_flag, s_flag, nonest, dslash, o_flag,
         l_flag, cbreak, gnuzip;
#ifdef UNIX
	EXT char p_flag;
#endif

#ifdef MSDOS
	EXT char k_flag, deldrv;
	EXT int filemask;
	EXT char *archname INI(NULL);
#endif
EXT char *tarcmd INI(NULL), *responce INI(NULL), **argvector INI(NULL);
EXT char *appname INI(NULL), *tapename INI(NULL);
EXT long volume INI(0L);

EXT char pktype;
EXT int lzwbits, ziplevel;
#define PKNONE 0
/*#define PKLZH 1*/
#define PKfLZW 2
#define PKpLZW 3
#define PKZIP  4
#define PKDEF  5

/* Standard tar file type flags */
#define TF_OLD '\0' /* old-fashion flag - regular file */
#define TF_REG '0'  /* regular file */
#define TF_LNK '1'  /* link */
#define TF_SYM '2'  /* symbolic link */
#define TF_CHR '3'  /* character device */
#define TF_BLK '4'  /* block device */
#define TF_DIR '5'  /* directory */
#define TF_QUE '6'  /* FIFO special */
#define TF_CTG '7'  /* contiguous file */

/* GNU extensions */
#define GF_DMP 'D'  /* This is a dir entry that contains
                       the names of files that were in the
                       dir at the time the dump was made */
#define GF_LLN 'K'  /* Identifies the NEXT file on the tape
                       as having a long linkname */
#define GF_LNM 'L'  /* Identifies the NEXT file on the tape
                       as having a long name. */
#define GF_MUL 'M'  /* This is the continuation of a file
                       that began on another volume */
#define GF_NAM 'N'  /* For storing filenames that didn't
                       fit in 100 characters */
#define GF_SPR 'S'  /* This is for sparse files */
#define GF_VOL 'V'  /* This file is a tape/volume header */

#define TMAGIC "ustar  "
#define GMAGIC "GNUtar "

#define TXT_WORD 8
#define TXT_LONG 12

#define THEAD char\
	name[MAXTNAME],\
	mode[TXT_WORD],\
	uid[TXT_WORD],\
	gid[TXT_WORD],\
	size[TXT_LONG],\
	mtime[TXT_LONG],\
	chksum[TXT_WORD],\
	filetype,\
	linkname[MAXTNAME],\

typedef union {
   struct {/* main/mine data */
      THEAD
      comment[BLKSIZE-MAXTNAME-8-8-8-12-12-8-1-MAXTNAME-12-12],
      srcsum[TXT_LONG], srclen[TXT_LONG];
   } m;
   struct {/* System V extensions */
      THEAD extent[4], allext[4], total[TXT_LONG];
   } s;
   struct {/* P1003 & GNU extensions */
      THEAD magic[8], uname[32], gname[32],
      devmajor[TXT_WORD], devminor[TXT_WORD],
      /* the following fields are added gnu and NOT standard */
      atime[12], ctime[12], offset[12];
   } x;
} header;

typedef struct _node {
	struct _node *prev, *next;
        union {
		long time;
		struct {
			int inode, device, count;
		} data;
	} info;
        char name[MINTNAME];
} node;

#define pkfile (pktype == PKDEF || pktype == PKfLZW)
#define PKSIZE (8*BLKSIZE)
EXT int pksize INI(PKSIZE);
EXT char *pk_inp INI(NULL), *pk_out INI(NULL);
EXT char pklock;

EXT char *io_buf, *io_2nd;
EXT int cblock;

EXT header *hblock;
EXT char *scratch;

#define NONE (node *)0
EXT node *timehead INI(NONE);
#ifdef UNIX
	EXT node *linkhead INI(NONE);
#endif

#ifndef MSDOS
#	define takename(a,b) (void)strcpy((a),(b))
#endif

#define XMAX 16
EXT char *xarg[XMAX];
EXT int xcnt;

int   yes_no   __ARGS__(( char ));
#define YES_NO() yes_no('N')

void  outmem   __ARGS__(( FILE* ));
char  *salloc  __ARGS__(( int ));
char  *getbuf  __ARGS__(( int ));
void  done     __ARGS__(( int ));
int   initape  __ARGS__(( char* ));
int   pkalloc  __ARGS__(( void ));
int   runtape  __ARGS__(( void ));
int   redirect __ARGS__(( void ));
void  duptape  __ARGS__(( char* ));
void  prmode   __ARGS__(( char, int ));
int   okwork   __ARGS__(( char, char, struct stat *, char* ));
void  cantopen __ARGS__(( char* ));
void  savefile __ARGS__(( char* ));
void  store    __ARGS__(( char* ));
char  prefix   __ARGS__(( void ));
int   usize    __ARGS__(( void ));
short isextent __ARGS__(( short *, long *));
int   ismagic  __ARGS__(( void ));
void  catalog  __ARGS__(( void ));
void  extract  __ARGS__(( void ));
int   restore  __ARGS__(( char*));
void  makelink __ARGS__(( char*, char* ));
void  acctime  __ARGS__(( void ));
void  uplist   __ARGS__(( void ));
int   pktest   __ARGS__(( unsigned char* ));
int   gethead  __ARGS__(( void ));
int   inargs   __ARGS__(( int, char**, char* ));
void  scantape __ARGS__(( int, char**, void(*)() ));
void  backtape __ARGS__(( void ));
void  extwrerr __ARGS__(( void ));
header *readtape  __ARGS__(( void ));
short headsum  __ARGS__(( header * ));
header *steptape  __ARGS__(( void ));
void  writebyte __ARGS__(( int ));
int   writearch __ARGS__(( int, long, char* ));
void  nullblock __ARGS__(( header * ));
void  endtape  __ARGS__(( void ));
int   readbyte __ARGS__(( void ));
void  bacouple __ARGS__(( void ));
int   readarch __ARGS__(( int, long ));
node *finditem __ARGS__(( char*, node **, node * ));
node *additem  __ARGS__(( char*, node *, node ** ));
void  delitem  __ARGS__(( node *, node ** ));
void  skipfile __ARGS__(( void ));
void  percent  __ARGS__(( long, long ));
#ifdef MSDOS
	int  argdisk  __ARGS__(( int ));
	void inidisk  __ARGS__(( void ));
	int  defdev   __ARGS__(( char* ));
	void logdisk  __ARGS__(( int, char*, int ));
	void takename __ARGS__(( char*, char* ));

	int  streamer __ARGS__(( int, void*, int ));
	long ptr2abs  __ARGS__(( void far * ));
#endif
int mismatch __ARGS__((char*, char*, int));
int fmatch   __ARGS__((char*, char*));
int envbuild __ARGS__((int, char***));
int readopt  __ARGS__((int*, char***, int));
int argfile  __ARGS__((int, char***, char*, char**));
int buildarg __ARGS__((int, char***, char*));
void revector __ARGS__((int, char***, int));