1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego and Lance 9 * Visser of Convex Computer Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)dd.h 8.3 (Berkeley) 4/2/94 36 * $FreeBSD: head/bin/dd/dd.h 341257 2018-11-29 19:28:01Z sobomax $ 37 */ 38 39 #include <sys/time.h> 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 ssize_t dbcnt; /* current buffer byte count */ 46 ssize_t dbrcnt; /* last read byte count */ 47 ssize_t dbsz; /* block size */ 48 49 #define ISCHR 0x01 /* character device (warn on short) */ 50 #define ISPIPE 0x02 /* pipe-like (see position.c) */ 51 #define ISTAPE 0x04 /* tape */ 52 #define ISSEEK 0x08 /* valid to seek on */ 53 #define NOREAD 0x10 /* not readable */ 54 #define ISTRUNC 0x20 /* valid to ftruncate() */ 55 u_int flags; 56 57 const char *name; /* name */ 58 int fd; /* file descriptor */ 59 off_t offset; /* # of blocks to skip */ 60 off_t seek_offset; /* offset of last seek past output hole */ 61 } IO; 62 63 typedef struct { 64 uintmax_t in_full; /* # of full input blocks */ 65 uintmax_t in_part; /* # of partial input blocks */ 66 uintmax_t out_full; /* # of full output blocks */ 67 uintmax_t out_part; /* # of partial output blocks */ 68 uintmax_t trunc; /* # of truncated records */ 69 uintmax_t swab; /* # of odd-length swab blocks */ 70 uintmax_t bytes; /* # of bytes written */ 71 struct timespec start; /* start time of dd */ 72 } STAT; 73 74 /* Flags (in ddflags). */ 75 #define C_ASCII 0x00000001 76 #define C_BLOCK 0x00000002 77 #define C_BS 0x00000004 78 #define C_CBS 0x00000008 79 #define C_COUNT 0x00000010 80 #define C_EBCDIC 0x00000020 81 #define C_FILES 0x00000040 82 #define C_IBS 0x00000080 83 #define C_IF 0x00000100 84 #define C_LCASE 0x00000200 85 #define C_NOERROR 0x00000400 86 #define C_NOTRUNC 0x00000800 87 #define C_OBS 0x00001000 88 #define C_OF 0x00002000 89 #define C_OSYNC 0x00004000 90 #define C_PAREVEN 0x00008000 91 #define C_PARNONE 0x00010000 92 #define C_PARODD 0x00020000 93 #define C_PARSET 0x00040000 94 #define C_SEEK 0x00080000 95 #define C_SKIP 0x00100000 96 #define C_SPARSE 0x00200000 97 #define C_SWAB 0x00400000 98 #define C_SYNC 0x00800000 99 #define C_UCASE 0x01000000 100 #define C_UNBLOCK 0x02000000 101 #define C_FILL 0x04000000 102 #define C_STATUS 0x08000000 103 #define C_NOXFER 0x10000000 104 #define C_NOINFO 0x20000000 105 #define C_PROGRESS 0x40000000 106 107 #define C_PARITY (C_PAREVEN | C_PARODD | C_PARNONE | C_PARSET) 108 109 #define BISZERO(p, s) ((s) > 0 && *((const char *)p) == 0 && \ 110 !memcmp((const void *)(p), \ 111 (const void *)((const char *)p + 1), \ 112 (s) - 1)) 113