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Diffstat (limited to 'bin/dd/dd.h')
| -rw-r--r-- | bin/dd/dd.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/bin/dd/dd.h b/bin/dd/dd.h new file mode 100644 index 000000000000..d2d564494a54 --- /dev/null +++ b/bin/dd/dd.h @@ -0,0 +1,112 @@ +/*- + * 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)) |