xref: /freebsd/bin/dd/dd.h (revision a1a4f1a0d87b594d3f17a97dc0127eec1417e6f6)
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. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by the University of
20  *	California, Berkeley and its contributors.
21  * 4. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  *	@(#)dd.h	8.3 (Berkeley) 4/2/94
38  * $FreeBSD$
39  */
40 
41 /* Input/output stream state. */
42 typedef struct {
43 	u_char	*db;			/* buffer address */
44 	u_char	*dbp;			/* current buffer I/O address */
45 	int	dbcnt;			/* current buffer byte count */
46 	int	dbrcnt;			/* last read byte count */
47 	int	dbsz;			/* buffer size */
48 
49 #define	ISCHR		0x01		/* character device (warn on short) */
50 #define	ISPIPE		0x02		/* pipe (not truncatable) */
51 #define	ISTAPE		0x04		/* tape (not seekable) */
52 #define	ISDISK		0x08		/* disk (valid to seek on) */
53 #define	NOREAD		0x10		/* not readable */
54 	u_int	flags;
55 
56 	char 	*name;			/* name */
57 	int	fd;			/* file descriptor */
58 	off_t	offset;			/* # of blocks to skip */
59 
60 	quad_t	f_stats;		/* # of full blocks processed */
61 	quad_t	p_stats;		/* # of partial blocks processed */
62 	quad_t	s_stats;		/* # of odd swab blocks */
63 	quad_t	t_stats;		/* # of truncations */
64 } IO;
65 
66 typedef struct {
67 	quad_t	in_full;		/* # of full input blocks */
68 	quad_t	in_part;		/* # of partial input blocks */
69 	quad_t	out_full;		/* # of full output blocks */
70 	quad_t	out_part;		/* # of partial output blocks */
71 	quad_t	trunc;			/* # of truncated records */
72 	quad_t	swab;			/* # of odd-length swab blocks */
73 	quad_t	bytes;			/* # of bytes written */
74 	double	start; 			/* start time of dd */
75 } STAT;
76 
77 /* Flags (in ddflags). */
78 #define	C_ASCII		0x00001
79 #define	C_BLOCK		0x00002
80 #define	C_BS		0x00004
81 #define	C_CBS		0x00008
82 #define	C_COUNT		0x00010
83 #define	C_EBCDIC	0x00020
84 #define	C_FILES		0x00040
85 #define	C_IBS		0x00080
86 #define	C_IF		0x00100
87 #define	C_LCASE		0x00200
88 #define	C_NOERROR	0x00400
89 #define	C_NOTRUNC	0x00800
90 #define	C_OBS		0x01000
91 #define	C_OF		0x02000
92 #define	C_SEEK		0x04000
93 #define	C_SKIP		0x08000
94 #define	C_SWAB		0x10000
95 #define	C_SYNC		0x20000
96 #define	C_UCASE		0x40000
97 #define	C_UNBLOCK	0x80000
98 #define	C_OSYNC		0x100000
99 #define	C_SPARSE	0x200000
100