1135446Strhodes/*- 2262706Serwin * SPDX-License-Identifier: BSD-3-Clause 3135446Strhodes * 4135446Strhodes * Copyright (c) 1991, 1993, 1994 5174187Sdougb * The Regents of the University of California. All rights reserved. 6135446Strhodes * 7135446Strhodes * This code is derived from software contributed to Berkeley by 8135446Strhodes * Keith Muller of the University of California, San Diego and Lance 9135446Strhodes * Visser of Convex Computer Corporation. 10135446Strhodes * 11135446Strhodes * Redistribution and use in source and binary forms, with or without 12135446Strhodes * modification, are permitted provided that the following conditions 13135446Strhodes * are met: 14135446Strhodes * 1. Redistributions of source code must retain the above copyright 15135446Strhodes * notice, this list of conditions and the following disclaimer. 16135446Strhodes * 2. Redistributions in binary form must reproduce the above copyright 17135446Strhodes * notice, this list of conditions and the following disclaimer in the 18234010Sdougb * documentation and/or other materials provided with the distribution. 19135446Strhodes * 3. Neither the name of the University nor the names of its contributors 20170222Sdougb * may be used to endorse or promote products derived from this software 21170222Sdougb * without specific prior written permission. 22135446Strhodes * 23135446Strhodes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24135446Strhodes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25135446Strhodes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26135446Strhodes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27193149Sdougb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28135446Strhodes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29135446Strhodes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30135446Strhodes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31135446Strhodes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32135446Strhodes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33135446Strhodes * SUCH DAMAGE. 34135446Strhodes */ 35135446Strhodes 36135446Strhodes/* Input/output stream state. */ 37135446Strhodestypedef struct { 38135446Strhodes u_char *db; /* buffer address */ 39135446Strhodes u_char *dbp; /* current buffer I/O address */ 40135446Strhodes ssize_t dbcnt; /* current buffer byte count */ 41135446Strhodes ssize_t dbrcnt; /* last read byte count */ 42135446Strhodes ssize_t dbsz; /* block size */ 43135446Strhodes 44135446Strhodes#define ISCHR 0x01 /* character device (warn on short) */ 45135446Strhodes#define ISPIPE 0x02 /* pipe-like (see position.c) */ 46135446Strhodes#define ISTAPE 0x04 /* tape */ 47135446Strhodes#define ISSEEK 0x08 /* valid to seek on */ 48135446Strhodes#define NOREAD 0x10 /* not readable */ 49193149Sdougb#define ISTRUNC 0x20 /* valid to ftruncate() */ 50193149Sdougb u_int flags; 51193149Sdougb 52193149Sdougb const char *name; /* name */ 53193149Sdougb int fd; /* file descriptor */ 54193149Sdougb off_t offset; /* # of blocks to skip */ 55193149Sdougb off_t seek_offset; /* offset of last seek past output hole */ 56193149Sdougb} IO; 57193149Sdougb 58193149Sdougbtypedef struct { 59193149Sdougb uintmax_t in_full; /* # of full input blocks */ 60193149Sdougb uintmax_t in_part; /* # of partial input blocks */ 61193149Sdougb uintmax_t out_full; /* # of full output blocks */ 62193149Sdougb uintmax_t out_part; /* # of partial output blocks */ 63193149Sdougb uintmax_t trunc; /* # of truncated records */ 64193149Sdougb uintmax_t swab; /* # of odd-length swab blocks */ 65193149Sdougb uintmax_t bytes; /* # of bytes written */ 66193149Sdougb struct timespec start; /* start time of dd */ 67193149Sdougb} STAT; 68193149Sdougb 69193149Sdougb/* Flags (in ddflags). */ 70193149Sdougb#define C_ASCII 0x0000000000000001ULL 71193149Sdougb#define C_BLOCK 0x0000000000000002ULL 72193149Sdougb#define C_BS 0x0000000000000004ULL 73193149Sdougb#define C_CBS 0x0000000000000008ULL 74193149Sdougb#define C_COUNT 0x0000000000000010ULL 75193149Sdougb#define C_EBCDIC 0x0000000000000020ULL 76193149Sdougb#define C_FILES 0x0000000000000040ULL 77193149Sdougb#define C_IBS 0x0000000000000080ULL 78135446Strhodes#define C_IF 0x0000000000000100ULL 79135446Strhodes#define C_LCASE 0x0000000000000200ULL 80135446Strhodes#define C_NOERROR 0x0000000000000400ULL 81135446Strhodes#define C_NOTRUNC 0x0000000000000800ULL 82135446Strhodes#define C_OBS 0x0000000000001000ULL 83135446Strhodes#define C_OF 0x0000000000002000ULL 84135446Strhodes#define C_OSYNC 0x0000000000004000ULL 85135446Strhodes#define C_PAREVEN 0x0000000000008000ULL 86135446Strhodes#define C_PARNONE 0x0000000000010000ULL 87135446Strhodes#define C_PARODD 0x0000000000020000ULL 88135446Strhodes#define C_PARSET 0x0000000000040000ULL 89135446Strhodes#define C_SEEK 0x0000000000080000ULL 90135446Strhodes#define C_SKIP 0x0000000000100000ULL 91135446Strhodes#define C_SPARSE 0x0000000000200000ULL 92135446Strhodes#define C_SWAB 0x0000000000400000ULL 93135446Strhodes#define C_SYNC 0x0000000000800000ULL 94135446Strhodes#define C_UCASE 0x0000000001000000ULL 95135446Strhodes#define C_UNBLOCK 0x0000000002000000ULL 96135446Strhodes#define C_FILL 0x0000000004000000ULL 97135446Strhodes#define C_STATUS 0x0000000008000000ULL 98193149Sdougb#define C_NOXFER 0x0000000010000000ULL 99193149Sdougb#define C_NOINFO 0x0000000020000000ULL 100170222Sdougb#define C_PROGRESS 0x0000000040000000ULL 101135446Strhodes#define C_FSYNC 0x0000000080000000ULL 102135446Strhodes#define C_FDATASYNC 0x0000000100000000ULL 103135446Strhodes#define C_OFSYNC 0x0000000200000000ULL 104135446Strhodes#define C_IFULLBLOCK 0x0000000400000000ULL 105135446Strhodes#define C_IDIRECT 0x0000000800000000ULL 106135446Strhodes#define C_ODIRECT 0x0000001000000000ULL 107135446Strhodes 108135446Strhodes#define C_PARITY (C_PAREVEN | C_PARODD | C_PARNONE | C_PARSET) 109135446Strhodes 110135446Strhodes#define BISZERO(p, s) ((s) > 0 && *((const char *)p) == 0 && !memcmp( \ 111135446Strhodes (const void *)(p), (const void *) \ 112170222Sdougb ((const char *)p + 1), (s) - 1)) 113135446Strhodes