git: dd(1): Sync with FreeBSD

[Aaron LI]

commit e504c45621e39cec43b2c73cbc2d61b5adec9a0c
Author: Aaron LI <aly at aaronly.me>
Date:   Tue Sep 1 10:13:03 2026 +0800

    dd(1): Sync with FreeBSD
    
    New features:
    - Added conv=fsync flag
    - Added conv=fdatasync flag
    - Added oflag=fsync and oflag=sync flags
    - Added iflag=fullblock flag
    - Added iflag=direct and oflag=direct flags that set O_DIRECT
    
    Fixes:
    - Fixed SIGINT handling.

Summary of changes:
 bin/dd/args.c         | 103 ++++++++++++++++++++++++++++++++++++++--------
 bin/dd/conv.c         |   4 +-
 bin/dd/conv_tab.c     |   6 +--
 bin/dd/dd.1           |  56 +++++++++++++++++++++----
 bin/dd/dd.c           | 111 ++++++++++++++++++++++++++++++++------------------
 bin/dd/dd.h           |  82 ++++++++++++++++++-------------------
 bin/dd/extern.h       |  17 ++++----
 bin/dd/gen.c          |   2 -
 bin/dd/misc.c         |  61 ++++++++++++++++++++++++---
 bin/dd/position.c     |  15 +++----
 bin/dd/ref.ascii      |   1 -
 bin/dd/ref.ebcdic     |   1 -
 bin/dd/ref.ibm        |   1 -
 bin/dd/ref.lcase      |   1 -
 bin/dd/ref.obs_zeroes |   1 -
 bin/dd/ref.oldascii   |   1 -
 bin/dd/ref.oldebcdic  |   1 -
 bin/dd/ref.oldibm     |   1 -
 bin/dd/ref.pareven    |   1 -
 bin/dd/ref.parnone    |   1 -
 bin/dd/ref.parodd     |   1 -
 bin/dd/ref.parset     |   1 -
 bin/dd/ref.swab       |   1 -
 bin/dd/ref.ucase      |   1 -
 24 files changed, 320 insertions(+), 151 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/e504c45621e39cec43b2c73cbc2d61b5adec9a0c


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