usr/src/bin/dd/dd.h

/*-
 * Copyright (c) 1991, 1993, 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Keith Muller of the University of California, San Diego and Lance
 * Visser of Convex Computer Corporation.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)dd.h        8.3 (Berkeley) %G%
 */

/* Input/output stream state. */
typedef struct {
        u_char  *db;                    /* buffer address */
        u_char  *dbp;                   /* current buffer I/O address */
        u_long  dbcnt;                  /* current buffer byte count */
        int     dbrcnt;                 /* last read byte count */
        u_long  dbsz;                   /* buffer size */

#define ISCHR           0x01            /* character device (warn on short) */
#define ISPIPE          0x02            /* pipe (not truncatable) */
#define ISTAPE          0x04            /* tape (not seekable) */
#define NOREAD          0x08            /* not readable */
        u_int   flags;

        char    *name;                  /* name */
        int     fd;                     /* file descriptor */
        u_long  offset;                 /* # of blocks to skip */

        u_long  f_stats;                /* # of full blocks processed */
        u_long  p_stats;                /* # of partial blocks processed */
        u_long  s_stats;                /* # of odd swab blocks */
        u_long  t_stats;                /* # of truncations */
} IO;

typedef struct {
        u_long  in_full;                /* # of full input blocks */
        u_long  in_part;                /* # of partial input blocks */
        u_long  out_full;               /* # of full output blocks */
        u_long  out_part;               /* # of partial output blocks */
        u_long  trunc;                  /* # of truncated records */
        u_long  swab;                   /* # of odd-length swab blocks */
        u_long  bytes;                  /* # of bytes written */
        time_t  start;                  /* start time of dd */
} STAT;

/* Flags (in ddflags). */
#define C_ASCII         0x00001
#define C_BLOCK         0x00002
#define C_BS            0x00004
#define C_CBS           0x00008
#define C_COUNT         0x00010
#define C_EBCDIC        0x00020
#define C_FILES         0x00040
#define C_IBS           0x00080
#define C_IF            0x00100
#define C_LCASE         0x00200
#define C_NOERROR       0x00400
#define C_NOTRUNC       0x00800
#define C_OBS           0x01000
#define C_OF            0x02000
#define C_SEEK          0x04000
#define C_SKIP          0x08000
#define C_SWAB          0x10000
#define C_SYNC          0x20000
#define C_UCASE         0x40000
#define C_UNBLOCK       0x80000
#define C_OSYNC         0x100000