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/* $NetBSD: dd.h,v 1.16 2015/03/18 13:23:49 manu Exp $ */
/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Keith Muller of the University of California, San Diego and Lance
* Visser of Convex Computer Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)dd.h 8.3 (Berkeley) 4/2/94
*/
#include <sys/stat.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/time.h>
#include <stdarg.h>
struct ddfops {
int (*op_init)(void);
int (*op_open)(const char *, int, ...);
int (*op_close)(int);
int (*op_fcntl)(int, int, ...);
int (*op_ioctl)(int, int, ...);
int (*op_fstat)(int, struct stat *);
int (*op_fsync)(int);
int (*op_ftruncate)(int, off_t);
off_t (*op_lseek)(int, off_t, int);
ssize_t (*op_read)(int, void *, size_t);
ssize_t (*op_write)(int, const void *, size_t);
};
#define ddop_open(dir, a1, a2, ...) dir.ops->op_open(a1, a2, ##__VA_ARGS__)
#define ddop_close(dir, a1) dir.ops->op_close(a1)
#define ddop_fcntl(dir, a1, a2, ...) dir.ops->op_fcntl(a1, a2, ##__VA_ARGS__)
#define ddop_ioctl(dir, a1, a2, ...) dir.ops->op_ioctl(a1, a2, ##__VA_ARGS__)
#define ddop_fsync(dir, a1) dir.ops->op_fsync(a1)
#define ddop_ftruncate(dir, a1, a2) dir.ops->op_ftruncate(a1, a2)
#define ddop_lseek(dir, a1, a2, a3) dir.ops->op_lseek(a1, a2, a3)
#define ddop_read(dir, a1, a2, a3) dir.ops->op_read(a1, a2, a3)
#define ddop_write(dir, a1, a2, a3) dir.ops->op_write(a1, a2, a3)
/* Input/output stream state. */
typedef struct {
unsigned char *db; /* buffer address */
unsigned char *dbp; /* current buffer I/O address */
uint64_t dbcnt; /* current buffer byte count */
int64_t dbrcnt; /* last read byte count */
uint64_t dbsz; /* buffer size */
#define ISCHR 0x01 /* character device (warn on short) */
#define ISPIPE 0x02 /* pipe (not truncatable) */
#define ISTAPE 0x04 /* tape (not seekable) */
#define NOREAD 0x08 /* not readable */
unsigned int flags;
const char *name; /* name */
int fd; /* file descriptor */
uint64_t offset; /* # of blocks to skip */
struct ddfops const *ops; /* ops to use with fd */
} IO;
typedef struct {
uint64_t in_full; /* # of full input blocks */
uint64_t in_part; /* # of partial input blocks */
uint64_t out_full; /* # of full output blocks */
uint64_t out_part; /* # of partial output blocks */
uint64_t trunc; /* # of truncated records */
uint64_t swab; /* # of odd-length swab blocks */
uint64_t sparse; /* # of sparse output blocks */
uint64_t bytes; /* # of bytes written */
struct timeval start; /* start time of dd */
} STAT;
/* Flags (in ddflags, iflag and oflag). */
#define C_NONE 0x00000
#define C_ASCII 0x00001
#define C_BLOCK 0x00002
#define C_BS 0x00004
#define C_CBS 0x00008
#define C_COUNT 0x00010
#define C_EBCDIC 0x00020
#define C_FILES 0x00040
#define C_IBS 0x00080
#define C_IF 0x00100
#define C_LCASE 0x00200
#define C_NOERROR 0x00400
#define C_NOTRUNC 0x00800
#define C_OBS 0x01000
#define C_OF 0x02000
#define C_SEEK 0x04000
#define C_SKIP 0x08000
#define C_SWAB 0x10000
#define C_SYNC 0x20000
#define C_UCASE 0x40000
#define C_UNBLOCK 0x80000
#define C_OSYNC 0x100000
#define C_SPARSE 0x200000
#define C_IFLAG 0x400000
#define C_OFLAG 0x800000
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