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.
 *
 * 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.
 * 4. 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
 * $FreeBSD: src/bin/dd/dd.h,v 1.22 2004/08/15 19:10:05 rwatson Exp $
 */

#ifndef _DD_H_
#define _DD_H_

#include <stddef.h>

#define OFF_MAX LONG_MAX

/* Input/output stream state. */
typedef struct {
    u_char      *db;        /* buffer address */
    u_char      *dbp;       /* current buffer I/O address */
    /* XXX ssize_t? */
    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-like (see position.c) */
#define ISTAPE      0x04        /* tape */
#define ISSEEK      0x08        /* valid to seek on */
#define NOREAD      0x10        /* not readable */
#define ISTRUNC     0x20        /* valid to ftruncate() */
    u_int       flags;

    const char  *name;      /* name */
    int     fd;     /* file descriptor */
    off_t       offset;     /* # of blocks to skip */
} IO;

typedef struct {
    uintmax_t   in_full;    /* # of full input blocks */
    uintmax_t   in_part;    /* # of partial input blocks */
    uintmax_t   out_full;   /* # of full output blocks */
    uintmax_t   out_part;   /* # of partial output blocks */
    uintmax_t   trunc;      /* # of truncated records */
    uintmax_t   swab;       /* # of odd-length swab blocks */
    uintmax_t   bytes;      /* # of bytes written */
    double      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_OSYNC     0x04000
#define C_PAREVEN   0x08000
#define C_PARNONE   0x100000
#define C_PARODD    0x200000
#define C_PARSET    0x400000
#define C_SEEK      0x800000
#define C_SKIP      0x1000000
#define C_SPARSE    0x2000000
#define C_SWAB      0x4000000
#define C_SYNC      0x8000000
#define C_UCASE     0x10000000
#define C_UNBLOCK   0x20000000
#define C_FILL      0x40000000

#define C_PARITY    (C_PAREVEN | C_PARODD | C_PARNONE | C_PARSET)

#endif