prefixing flags to ps(1) by a hyphen is optional; while here, make synopsis
fit in a 80-column display.

ok jmc@

accept numerical user IDs

Turn [-U username] into [-U user] to match top(1)/pgrep(1)/fstat(1) -U/-u
taking both "root" and "0".

Feedback OK millert

Add forest (-f) mode

In -f mode group & display parent/child process relationships using ASCII art.

Borrows heavily from Brian Somers' work on FreeBSD ps(1).

With input from deraadt@ and tb@

OK b

Add forest (-f) mode

In -f mode group & display parent/child process relationships using ASCII art.

Borrows heavily from Brian Somers' work on FreeBSD ps(1).

With input from deraadt@ and tb@

OK benno@ claudio@

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further improvements in sys/param.h annotation and removal.

Change the error reporting pattern throughout the tree when unveil
fails to report the path that the failure occured on. Suggested by
deraadt@ after some tech discussion.

Work done and verified by A

Change the error reporting pattern throughout the tree when unveil
fails to report the path that the failure occured on. Suggested by
deraadt@ after some tech discussion.

Work done and verified by Ashton Fagg <ashton@fagg.id.au>

ok deraadt@ semarie@ claudio@

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Delete tests for P_THREAD that predate the existence of
KERN_PROC_SHOW_THREADS and have been rendered superfluous by it.
Similarly, some P_SYSTEM tests can be deleted or pushed to the
kernel by using

Delete tests for P_THREAD that predate the existence of
KERN_PROC_SHOW_THREADS and have been rendered superfluous by it.
Similarly, some P_SYSTEM tests can be deleted or pushed to the
kernel by using KERN_PROC_ALL instead of KERN_PROC_KTHREAD.

ok visa@ mpi@

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detect -t argument being too long, rather than truncating

Let ps(1) work in single user mode where /var/run does not exist.
Give the same treatment if /dev doesn't exist. While things will be
real interesting without /dev there is no reason to stop ps(1).

Let ps(1) work in single user mode where /var/run does not exist.
Give the same treatment if /dev doesn't exist. While things will be
real interesting without /dev there is no reason to stop ps(1).

Fix suggested by & OK deraadt
OK millert

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Use uid_from_user(3) and gid_from_group(3) in utilities that
do repeated lookups. OK tb@

unveil dev.db "r" for devname(), /dev "r", and in the non-sysctl case
some kernel memory/symbol files.

Attempt to use stdout, stderr, or stdin terminal widths if they exist.

This behavior already existed but was unintentionally lost in revision
1.70 of ps.c.

ok millert@ tb@

Switch (non-curses, non-ksh) programs that use COLUMNS to a single idiom.

Previously behaviors were all over the map. This changes them to
use COLUMNS first, and either terminal width or a hardcoded

Switch (non-curses, non-ksh) programs that use COLUMNS to a single idiom.

Previously behaviors were all over the map. This changes them to
use COLUMNS first, and either terminal width or a hardcoded value
(typically 80) as appropriate.

ok deraadt@; man bits ok jmc@

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UTF-8 support:
In a UTF-8 locale, columnate correctly and replace valid, but non-
printable characters with the Unicode replacement character U+FFFD.
No change in the C/POSIX locale, and no change fo

UTF-8 support:
In a UTF-8 locale, columnate correctly and replace valid, but non-
printable characters with the Unicode replacement character U+FFFD.
No change in the C/POSIX locale, and no change for invalid bytes.
Grand total, the code becomes shorter by almost 30 lines.
Feedback from czarkoff@, OK millert@.

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fix pledge error message

need "getpw" pledge; spotted by matthieu

With new pledge "ps" and "vminfo" requests, ps/top/w become possible.

After removing the p_swtime from the kernel, ps always printed 0.0
as %cpu time. Remove the calculation in ps that includes the process
lifetime. Just print the p_pctcpu value, that was done before

After removing the p_swtime from the kernel, ps always printed 0.0
as %cpu time. Remove the calculation in ps that includes the process
lifetime. Just print the p_pctcpu value, that was done before when
ps was called with -C. Keep -C as a no-op for existing scripts.
OK millert@

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kflag and wflag don't need to be counters; wflag only needs to know if
greater than 0 for its one test case.

ok deraadt

Replace <sys/param.h> with <limits.h> and other less dirty headers where
possible. Annotate <sys/param.h> lines with their current reasons. Switch
to PATH_MAX, NGROUPS_MAX, HOST_NAME_MAX+1, LOGIN_N

Replace <sys/param.h> with <limits.h> and other less dirty headers where
possible. Annotate <sys/param.h> lines with their current reasons. Switch
to PATH_MAX, NGROUPS_MAX, HOST_NAME_MAX+1, LOGIN_NAME_MAX, etc. Change
MIN() and MAX() to local definitions of MINIMUM() and MAXIMUM() where
sensible to avoid pulling in the pollution. These are the files confirmed
through binary verification.
ok guenther, millert, doug (helped with the verification protocol)

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sys/user.h can now be substantially gutted.
ok guenther

Add support for COLUMNS env variable, inspired by FreeBSD but with a dash
of strtonum() from millert@ sprinkled on top.
Also, we've always supported TZ for formatting dates, so say so.

ok jmc@ mille

Add support for COLUMNS env variable, inspired by FreeBSD but with a dash
of strtonum() from millert@ sprinkled on top.
Also, we've always supported TZ for formatting dates, so say so.

ok jmc@ millert@

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convert calloc to use reallocarray instead. ok millert

add unsigned char casts for specific calls to ctype.h macros.
ok guenther step

pull in less .h to do the same

add -A (-ax) support; from Lauri Tirkkonen with some option sorting.

ok guenther@ jmc@