ltfdefs.h

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C头文件 代码 · 共 541 行 · 第 1/2 页

/*_O_*/
/*_P_*/
#define PAD	'^'	/* Padding character */

/*_Q_*/

/*_R_*/
#define RECOFF	6	/* fuf record offset */
#define REPORT_ERRORS 1	/* General purpose flag */
#define RGRP	040
#define ROTH	04
#define ROWN	0400

/*_S_*/
#define SEGMENT 'S'	/* Segmented/spanned record file */
#define SGID	02000
#define SOCKET	0140000	/* File is a socket */
#define STXT	01000
#define SYMLNK	0120000	/* File is a symbolic link */
#define SUCCEED 0	/* Exit with success status */
#define SUID	04000

/*_T_*/
#define TABLE	4	/* Table of contents - function flag */
#define TEXT	-10	/* File is some variant of ASCII data */
#define TM 023		/* A tape mark */
#define TRUE	1	/* BOOLEAN value for non-error indication */
#define TRUNCATE 2	/* Truncate a string function */

/*_U_*/

/*_V_*/
#define VARIABLE 'D'	/* Variable length record file */

/*_W_*/
#define WGRP	020
#define WOWN	0200
#define WOTH	02
#define WRITE	2

/*_X_*/
#define XGRP	010
#define XOTH	01
#define XOWN	0100

struct XLINKBUF	{
	/* Link table used when reading an input volume.
	 * Contains information about all potential hard link files
	 * that have been extracted.  The hard link file is determined 
	 * by a match on the file sequence number that exists in HDR2
	 * and the hlink field which is set when the volume is created 
	 * indicating that a file has hard links.
	 */
	int	x_fseqno;	  /* File sequence number */
	int	x_fsecno;	  /* File section number */
	char	*x_pathname;	  /* Real file name */
	struct	XLINKBUF *x_next; /* Point to next in chain */

};/*E struct XLINKBUF */

/*_Y_*/
#define YES	1	/* BOOLEAN constant */

/*_Z_*/

/**/
/*	----------------------------------------------------
 * +-->  CONDITIONALIZED  GLOBAL DEFINITIONS / DECLARATIONS  <--+
 *	----------------------------------------------------
 *
 */

#ifndef VARSC	/* If we are compiling any module other than
		 * "ltfvars.c" (which allocates the actual
		 * storage) - define as external data.
		 */

/*_A_c_*/
extern	char	Ansiv;	/* ANSI Version Number of volume */
extern	struct	ALINKBUF *A_head; /* Header for list of linked files */
extern	char	A_specials[A_SPECIALS+1]; /* Array of special chctrs
					     * allowed in an "a"-chctr
					     * string. */
/*_B_c_*/
extern	char	*Bb;		/* FUF buffer (block) pointer */
extern	long	Blocks;		/* Number of tape blocks read/written */
extern	int	Blocksize;	/* Tape transfer block size */

/*_C_c_*/
extern	char	Carriage;	/* Carriage control attribute field
				 * from/to HDR2 label.
				 */
extern	char	ch;		/* One character temporary variable */
extern	char	*cp, *cp2;	/* Temporary character pointers */

/*_D_c_*/
extern	int	Days[2][13];	/* Days in the months table */
extern	int	Dfiletype;	/* Current default/user designated
				   file type for an output function */
extern	struct	DIRE *Dhead;	/* Linked list of directorys on vol */
extern	int	Dircre;		/* Flags wether a directory had to
				 * be created on extract.
				 */
extern	char	Dummy[80];	/* Dummy area for string scans */
extern	int	Dverbose;	/* True if user requested display of
				 * volume directory information.
				 */
/*_E_c_*/
extern	int	errno;		/* Error status for system routines */
extern	int	error_status;	/* Error status for expnum */

/*_F_c_*/
extern	struct	FILESTAT *F_head;/* Link list pointer to filestats */
extern	char	Format;		/* Record format, either F, D, or S */
extern	int	Fsecno;		/* fsecno of next file to append */
extern	int	Fseqno;		/* fseqno of next file to append */
extern	int	Func;		/* The users' requested function */

/*_G_c_*/

/*_H_c_*/
extern	char	Hostname[21];	/* Host name from/to HDR3 */

/*_I_c_*/
extern	char	IMPID[14];	/* LTF Implementation ID - Used to
				 * recognize whether or not a 
				 * Volume was created by Ultrix */
extern	struct	stat Inode;	/* Inode structure */
extern	int	i;		/* Fast integer variable */
extern	int	isdir;		/* Flag argument to scantape */

/*_J_c_*/
extern	int	j;		/* Fast integer variable */

/*_K_c_*/

/*_L_c_*/
extern	char	Labelbuf[BUFSIZE+1]; /* Work area for ANSI labels */
extern	int	Leofl;		/* Number (0-9) identifying the
				 * last eof label used to contain
				 * an Ultrix path name component.
				 */
extern	int	Lhdrl;		/* Number (3-9) identifying the
				 * last hdr label used to contain
				 * an Ultrix path name component.
				 */
extern struct FILESTAT * Lookup(); /* Looks up a given ANSI volume
				    * file name among user input
				    * file arguments. */
extern	int	L_blklen;	/*[05] block length -
			 	 * number of chctrs per block */
extern	char	L_crecent;	/*[01] creation date century */
extern	char	L_credate[6];	/*[05] creation date */
extern	char	L_expirdate[6];	/*[06] expiration date */
extern	char	L_filename[18];	/*[17] file identifier */
extern	int	L_fsecno;	/*[04] file section number */
extern	int	L_fseqno;	/*[04] file sequence number */
extern	int	L_gen;		/*[04] generation number */
extern	int	L_genver;	/*[02] genration vrsn number */
extern	char	L_labid[4];	/*[03] label identifier -
				 *     "HDR" or "EOF" */
extern	int	L_labno;	/*[01] label number */
extern	long	L_nblocks;	/*[06] block count */
extern	char	L_ownrid[15];	/*[14] owner id */
extern	int	L_reclen;	/*[05] record length */
extern	char	L_recformat;	/*[01] record format */
extern	char	L_systemid[14];	/* System ID of ANSI volume creator */
extern	char	L_volid[7];	/*[06] volume identifier
			 	 * (tape label) 
			 	 * (file set identifier) */

/*_M_c_*/
extern	char	Magtdev[MAXPATHLEN+1]; /* Output device name string */
extern	FILE	*Magtfp;	/* File pointer to output device */
extern	int	Maxrec;		/* Maximum record size */
extern	char	*Months[];	/* Months in the year table */
extern	int	M1[];
extern	int	M2[];
extern	int	M3[];
extern	int	M4[];
extern	int	M5[];
extern	int	M6[];
extern	int	M7[];
extern	int	M8[];
extern	int	M9[];
extern	int	*M[];

/*_N_c_*/
extern	char	Name[MAXPATHLEN+1];   /* File name extracted from 
				       * volume */
extern	int	NMEM4D;		/* Flag set if no memory for directory
				 * list */
extern	int	Nodir;		/* Flags output of directory blocks */
extern	int	Noheader3;	/* Flags whether user wants to use
				 * ANSI HDR3, etc.. data. */
extern	int	Nosym;		/* Flags output of symbolic link file */
extern	int	Numrecs;	/* Number of files to manipulate */
extern	int	numdir;		/* Number of directories in chdir */

/*_O_c_*/
extern	char	Outbuf[MAXBLKWRT+1];   /* Output buffer for writes */
extern	char	Owner[15];	/* Owner of volume and file id string */

/*_P_c_*/
extern	int	permission;	/* permission flag used if super user on
				 * extract for chown and chmod */
extern	char	*Progname;	/* Global pointer to our invoked name */

/*_Q_c_*/

/*_R_c_*/
extern	char	*Rb;		/* FUF record pointer */
#ifdef U11
extern	int	Reclength;	/* Record length of tape file(s) */
#endif
extern	int	Rep_misslinks;	/* Report, not_report undumped links */

/*_S_c_*/
extern	int	Secno;		/* Position volume to this ANSI file
				 * section number before beginning
				 * requested operation(s).
				 */
extern	int	Seqno;		/* Position volume to this ANSI file
				 * sequence number before beginning
				 * requested operation(s).
				 */
extern	int	skip;		/* If TRUE, skip non-existent filenames
				 * in inputfile */
extern	char	Spaces[80];	/* A string of spaces for blank fills */

/*_T_c_*/
extern	int	Tape;		/* Tape flag - True or False depending 
				 *  on the LTF i/o device being used */
extern	char	Tape_Mark[10];	/* Dummy tape mark used for
				 * non-tape devices */
extern	char	Tftypes[4];	/* True Ultrix disk file type as an
				 * ASCII string for HDR2 */
extern	int	Type;		/* Unix disk file type */

/*_U_c_*/
extern	int	Ultrixvol;	/* Flags wether or not an input volume
				 * was created by an Ultrix system.
				 */
/*_V_c_*/
extern	int	Verbose;	/* Degree of desired verbosity */
extern	char	Volid[7];	/* Volume ID (ANSI name of) */
extern	int	Volmo;		/* Flags input volume announced and
				 * init input volume logic done.
				 */
/*_W_c_*/
extern	int	Warning;	/* Warnings (y/n) on file overwrites */
extern	int	Wildc;		/* Used by mstrcmp() to indicate if a
				 * wildcard was seen in a matched 
				 * string.
				 */
/*_X_c_*/
extern	long	xtractf();	/* Function returns a long value */
extern	struct	XLINKBUF *X_head;/* Head pointer to linked file(s)
				  * structures */
/*_Y_c_*/
/*_Z_c_*/

#endif VARSC

/**\\**\\**\\**\\**\\**  EOM  ltfdefs.h  **\\**\\**\\**\\**\\*/
/**\\**\\**\\**\\**\\**  EOM  ltfdefs.h  **\\**\\**\\**\\**\\*/