freebsd-src/bin/dd/dd.h
Warner Losh 90aea514c6 bin: Remove ancient SCCS tags.
Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by:		Netflix
2023-11-26 22:23:28 -07:00

113 lines
4.6 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* 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.
*/
/* Input/output stream state. */
typedef struct {
u_char *db; /* buffer address */
u_char *dbp; /* current buffer I/O address */
ssize_t dbcnt; /* current buffer byte count */
ssize_t dbrcnt; /* last read byte count */
ssize_t dbsz; /* block size */
#define ISCHR 0x01 /* character device (warn on short) */
#define ISPIPE 0x02 /* pipe-like (see position.c) */
#define ISTAPE 0x04 /* tape */
#define ISSEEK 0x08 /* valid to seek on */
#define NOREAD 0x10 /* not readable */
#define ISTRUNC 0x20 /* valid to ftruncate() */
u_int flags;
const char *name; /* name */
int fd; /* file descriptor */
off_t offset; /* # of blocks to skip */
off_t seek_offset; /* offset of last seek past output hole */
} IO;
typedef struct {
uintmax_t in_full; /* # of full input blocks */
uintmax_t in_part; /* # of partial input blocks */
uintmax_t out_full; /* # of full output blocks */
uintmax_t out_part; /* # of partial output blocks */
uintmax_t trunc; /* # of truncated records */
uintmax_t swab; /* # of odd-length swab blocks */
uintmax_t bytes; /* # of bytes written */
struct timespec start; /* start time of dd */
} STAT;
/* Flags (in ddflags). */
#define C_ASCII 0x0000000000000001ULL
#define C_BLOCK 0x0000000000000002ULL
#define C_BS 0x0000000000000004ULL
#define C_CBS 0x0000000000000008ULL
#define C_COUNT 0x0000000000000010ULL
#define C_EBCDIC 0x0000000000000020ULL
#define C_FILES 0x0000000000000040ULL
#define C_IBS 0x0000000000000080ULL
#define C_IF 0x0000000000000100ULL
#define C_LCASE 0x0000000000000200ULL
#define C_NOERROR 0x0000000000000400ULL
#define C_NOTRUNC 0x0000000000000800ULL
#define C_OBS 0x0000000000001000ULL
#define C_OF 0x0000000000002000ULL
#define C_OSYNC 0x0000000000004000ULL
#define C_PAREVEN 0x0000000000008000ULL
#define C_PARNONE 0x0000000000010000ULL
#define C_PARODD 0x0000000000020000ULL
#define C_PARSET 0x0000000000040000ULL
#define C_SEEK 0x0000000000080000ULL
#define C_SKIP 0x0000000000100000ULL
#define C_SPARSE 0x0000000000200000ULL
#define C_SWAB 0x0000000000400000ULL
#define C_SYNC 0x0000000000800000ULL
#define C_UCASE 0x0000000001000000ULL
#define C_UNBLOCK 0x0000000002000000ULL
#define C_FILL 0x0000000004000000ULL
#define C_STATUS 0x0000000008000000ULL
#define C_NOXFER 0x0000000010000000ULL
#define C_NOINFO 0x0000000020000000ULL
#define C_PROGRESS 0x0000000040000000ULL
#define C_FSYNC 0x0000000080000000ULL
#define C_FDATASYNC 0x0000000100000000ULL
#define C_OFSYNC 0x0000000200000000ULL
#define C_IFULLBLOCK 0x0000000400000000ULL
#define C_IDIRECT 0x0000000800000000ULL
#define C_ODIRECT 0x0000001000000000ULL
#define C_PARITY (C_PAREVEN | C_PARODD | C_PARNONE | C_PARSET)
#define BISZERO(p, s) ((s) > 0 && *((const char *)p) == 0 && !memcmp( \
(const void *)(p), (const void *) \
((const char *)p + 1), (s) - 1))