dd.h revision 331722
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 * 4. 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: stable/11/bin/dd/dd.h 331722 2018-03-29 02:50:57Z eadler $
35 */
36
37/* Input/output stream state. */
38typedef struct {
39	u_char		*db;		/* buffer address */
40	u_char		*dbp;		/* current buffer I/O address */
41	/* XXX ssize_t? */
42	size_t		dbcnt;		/* current buffer byte count */
43	size_t		dbrcnt;		/* last read byte count */
44	size_t		dbsz;		/* block size */
45
46#define	ISCHR		0x01		/* character device (warn on short) */
47#define	ISPIPE		0x02		/* pipe-like (see position.c) */
48#define	ISTAPE		0x04		/* tape */
49#define	ISSEEK		0x08		/* valid to seek on */
50#define	NOREAD		0x10		/* not readable */
51#define	ISTRUNC		0x20		/* valid to ftruncate() */
52	u_int		flags;
53
54	const char	*name;		/* name */
55	int		fd;		/* file descriptor */
56	off_t		offset;		/* # of blocks to skip */
57	off_t		seek_offset;	/* offset of last seek past output hole */
58} IO;
59
60typedef struct {
61	uintmax_t	in_full;	/* # of full input blocks */
62	uintmax_t	in_part;	/* # of partial input blocks */
63	uintmax_t	out_full;	/* # of full output blocks */
64	uintmax_t	out_part;	/* # of partial output blocks */
65	uintmax_t	trunc;		/* # of truncated records */
66	uintmax_t	swab;		/* # of odd-length swab blocks */
67	uintmax_t	bytes;		/* # of bytes written */
68	struct timespec	start;		/* start time of dd */
69} STAT;
70
71/* Flags (in ddflags). */
72#define	C_ASCII		0x00000001
73#define	C_BLOCK		0x00000002
74#define	C_BS		0x00000004
75#define	C_CBS		0x00000008
76#define	C_COUNT		0x00000010
77#define	C_EBCDIC	0x00000020
78#define	C_FILES		0x00000040
79#define	C_IBS		0x00000080
80#define	C_IF		0x00000100
81#define	C_LCASE		0x00000200
82#define	C_NOERROR	0x00000400
83#define	C_NOTRUNC	0x00000800
84#define	C_OBS		0x00001000
85#define	C_OF		0x00002000
86#define	C_OSYNC		0x00004000
87#define	C_PAREVEN	0x00008000
88#define	C_PARNONE	0x00010000
89#define	C_PARODD	0x00020000
90#define	C_PARSET	0x00040000
91#define	C_SEEK		0x00080000
92#define	C_SKIP		0x00100000
93#define	C_SPARSE	0x00200000
94#define	C_SWAB		0x00400000
95#define	C_SYNC		0x00800000
96#define	C_UCASE		0x01000000
97#define	C_UNBLOCK	0x02000000
98#define	C_FILL		0x04000000
99#define	C_STATUS	0x08000000
100#define	C_NOXFER	0x10000000
101#define	C_NOINFO	0x20000000
102
103#define	C_PARITY	(C_PAREVEN | C_PARODD | C_PARNONE | C_PARSET)
104