/*- * 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))
