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      1 /*	$NetBSD: dd.h,v 1.12 2004/01/17 20:48:57 dbj Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Keith Muller of the University of California, San Diego and Lance
      9  * Visser of Convex Computer Corporation.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)dd.h	8.3 (Berkeley) 4/2/94
     36  */
     37 
     38 #include <stdint.h>
     39 
     40 /* Input/output stream state. */
     41 typedef struct {
     42 	u_char		*db;		/* buffer address */
     43 	u_char		*dbp;		/* current buffer I/O address */
     44 	uint64_t	dbcnt;		/* current buffer byte count */
     45 	int64_t		dbrcnt;		/* last read byte count */
     46 	uint64_t	dbsz;		/* buffer size */
     47 
     48 #define	ISCHR		0x01		/* character device (warn on short) */
     49 #define	ISPIPE		0x02		/* pipe (not truncatable) */
     50 #define	ISTAPE		0x04		/* tape (not seekable) */
     51 #define	NOREAD		0x08		/* not readable */
     52 	u_int		flags;
     53 
     54 	const char  	*name;		/* name */
     55 	int		fd;		/* file descriptor */
     56 	uint64_t	offset;		/* # of blocks to skip */
     57 } IO;
     58 
     59 typedef struct {
     60 	uint64_t	in_full;	/* # of full input blocks */
     61 	uint64_t	in_part;	/* # of partial input blocks */
     62 	uint64_t	out_full;	/* # of full output blocks */
     63 	uint64_t	out_part;	/* # of partial output blocks */
     64 	uint64_t	trunc;		/* # of truncated records */
     65 	uint64_t	swab;		/* # of odd-length swab blocks */
     66 	uint64_t	sparse;		/* # of sparse output blocks */
     67 	uint64_t	bytes;		/* # of bytes written */
     68 	struct timeval	start;		/* start time of dd */
     69 } STAT;
     70 
     71 /* Flags (in ddflags). */
     72 #define	C_ASCII		0x00001
     73 #define	C_BLOCK		0x00002
     74 #define	C_BS		0x00004
     75 #define	C_CBS		0x00008
     76 #define	C_COUNT		0x00010
     77 #define	C_EBCDIC	0x00020
     78 #define	C_FILES		0x00040
     79 #define	C_IBS		0x00080
     80 #define	C_IF		0x00100
     81 #define	C_LCASE		0x00200
     82 #define	C_NOERROR	0x00400
     83 #define	C_NOTRUNC	0x00800
     84 #define	C_OBS		0x01000
     85 #define	C_OF		0x02000
     86 #define	C_SEEK		0x04000
     87 #define	C_SKIP		0x08000
     88 #define	C_SWAB		0x10000
     89 #define	C_SYNC		0x20000
     90 #define	C_UCASE		0x40000
     91 #define	C_UNBLOCK	0x80000
     92 #define	C_OSYNC		0x100000
     93 #define	C_SPARSE	0x200000
     94 #define	C_FDATASYNC	0x400000
     95