bin/dd/dd.h

   1 /*-
   2  * Copyright (c) 1991, 1993, 1994
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Keith Muller of the University of California, San Diego and Lance
   7  * Visser of Convex Computer Corporation.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)dd.h        8.3 (Berkeley) 4/2/94
  34  * $FreeBSD: src/bin/dd/dd.h,v 1.15.2.1 2000/08/07 08:30:17 ps Exp $
  35  * $DragonFly: src/bin/dd/dd.h,v 1.3 2008/01/28 16:08:02 matthias Exp $
  36  */
  37
  38 /* Input/output stream state. */
  39 typedef struct {
  40         u_char          *db;            /* buffer address */
  41         u_char          *dbp;           /* current buffer I/O address */
  42         /* XXX ssize_t? */
  43         size_t          dbcnt;          /* current buffer byte count */
  44         size_t          dbrcnt;         /* last read byte count */
  45         size_t          dbsz;           /* buffer size */
  46
  47 #define ISCHR           0x01            /* character device (warn on short) */
  48 #define ISPIPE          0x02            /* pipe-like (see position.c) */
  49 #define ISTAPE          0x04            /* tape */
  50 #define ISSEEK          0x08            /* valid to seek on */
  51 #define NOREAD          0x10            /* not readable */
  52 #define ISTRUNC         0x20            /* valid to ftruncate() */
  53         u_int           flags;
  54
  55         const char      *name;          /* name */
  56         int             fd;             /* file descriptor */
  57         off_t           offset;         /* # of blocks to skip */
  58
  59         u_quad_t        f_stats;        /* # of full blocks processed */
  60         u_quad_t        p_stats;        /* # of partial blocks processed */
  61         u_quad_t        s_stats;        /* # of odd swab blocks */
  62         u_quad_t        t_stats;        /* # of truncations */
  63 } IO;
  64
  65 typedef struct {
  66         u_quad_t        in_full;        /* # of full input blocks */
  67         u_quad_t        in_part;        /* # of partial input blocks */
  68         u_quad_t        out_full;       /* # of full output blocks */
  69         u_quad_t        out_part;       /* # of partial output blocks */
  70         u_quad_t        trunc;          /* # of truncated records */
  71         u_quad_t        swab;           /* # of odd-length swab blocks */
  72         u_quad_t        bytes;          /* # of bytes written */
  73         double          start;                  /* start time of dd */
  74 } STAT;
  75
  76 /* Flags (in ddflags). */
  77 #define C_ASCII         0x00001
  78 #define C_BLOCK         0x00002
  79 #define C_BS            0x00004
  80 #define C_CBS           0x00008
  81 #define C_COUNT         0x00010
  82 #define C_EBCDIC        0x00020
  83 #define C_FILES         0x00040
  84 #define C_IBS           0x00080
  85 #define C_IF            0x00100
  86 #define C_LCASE         0x00200
  87 #define C_NOERROR       0x00400
  88 #define C_NOTRUNC       0x00800
  89 #define C_OBS           0x01000
  90 #define C_OF            0x02000
  91 #define C_SEEK          0x04000
  92 #define C_SKIP          0x08000
  93 #define C_SWAB          0x10000
  94 #define C_SYNC          0x20000
  95 #define C_UCASE         0x40000
  96 #define C_UNBLOCK       0x80000
  97 #define C_OSYNC         0x100000
  98 #define C_SPARSE        0x200000