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dd.h revision 1.1
      1 /*-
      2  * Copyright (c) 1991 The Regents of the University of California.
      3  * 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	5.4 (Berkeley) 6/2/92
     38  */
     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 	u_long	dbcnt;			/* current buffer byte count */
     45 	int	dbrcnt;			/* last read byte count */
     46 	u_long	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 	char 	*name;			/* name */
     55 	int	fd;			/* file descriptor */
     56 	u_long	offset;			/* # of blocks to skip */
     57 
     58 	u_long	f_stats;		/* # of full blocks processed */
     59 	u_long	p_stats;		/* # of partial blocks processed */
     60 	u_long	s_stats;		/* # of odd swab blocks */
     61 	u_long	t_stats;		/* # of truncations */
     62 } IO;
     63 
     64 typedef struct {
     65 	u_long	in_full;		/* # of full input blocks */
     66 	u_long	in_part;		/* # of partial input blocks */
     67 	u_long	out_full;		/* # of full output blocks */
     68 	u_long	out_part;		/* # of partial output blocks */
     69 	u_long	trunc;			/* # of truncated records */
     70 	u_long	swab;			/* # of odd-length swab blocks */
     71 	u_long	bytes;			/* # of bytes written */
     72 	time_t	start;			/* start time of dd */
     73 } STAT;
     74 
     75 /* Flags (in ddflags). */
     76 #define	C_ASCII		0x00001
     77 #define	C_BLOCK		0x00002
     78 #define	C_BS		0x00004
     79 #define	C_CBS		0x00008
     80 #define	C_COUNT		0x00010
     81 #define	C_EBCDIC	0x00020
     82 #define	C_FILES		0x00040
     83 #define	C_IBS		0x00080
     84 #define	C_IF		0x00100
     85 #define	C_LCASE		0x00200
     86 #define	C_NOERROR	0x00400
     87 #define	C_NOTRUNC	0x00800
     88 #define	C_OBS		0x01000
     89 #define	C_OF		0x02000
     90 #define	C_SEEK		0x04000
     91 #define	C_SKIP		0x08000
     92 #define	C_SWAB		0x10000
     93 #define	C_SYNC		0x20000
     94 #define	C_UCASE		0x40000
     95 #define	C_UNBLOCK	0x80000
     96