/*      $OpenBSD: dd.h,v 1.9 2019/02/16 10:54:00 bluhm Exp $    */
/*      $NetBSD: dd.h,v 1.4 1995/03/21 09:04:08 cgd Exp $       */

/*-
 * 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.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)dd.h        8.3 (Berkeley) 4/2/94
 */

/* Input/output stream state. */
typedef struct {
        u_char  *db;                    /* buffer address */
        u_char  *dbp;                   /* current buffer I/O address */
        size_t  dbcnt;                  /* current buffer byte count */
        size_t  dbrcnt;                 /* last read byte count */
        size_t  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 */
        off_t   offset;                 /* # of blocks to skip */

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

typedef struct {
        size_t  in_full;                /* # of full input blocks */
        size_t  in_part;                /* # of partial input blocks */
        size_t  out_full;               /* # of full output blocks */
        size_t  out_part;               /* # of partial output blocks */
        size_t  trunc;                  /* # of truncated records */
        size_t  swab;                   /* # of odd-length swab blocks */
        off_t   bytes;                  /* # of bytes written */
        struct  timespec 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
#define C_STATUS        0x200000
#define C_NOXFER        0x400000
#define C_NOINFO        0x800000
#define C_FSYNC         0x1000000