Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Rename usr.sbin/mtree to usr.sbin/fmtree since it is not what /usr/sbin/mtree
actually is (which is usr.sbin/nmtree).

This has tricked me numerous times.

Replace index() and rindex() calls with strchr() and strrchr().

The index() and rindex() functions were marked LEGACY in the 2001
revision of POSIX and were subsequently removed from the 2008 revision.
The strchr() and strrchr() functions are part of the C standard.

This makes the source code a lot more consistent, as most of these C
files also call into other str*() routines. In fact, about a dozen
already perform strchr() calls.

Write timestamps with exactly 9 digits after the period.
This ensures that the value written is both compatible with
older mtree versions (which expect the value after the period
to be an integer count of nanoseconds after the whole second)
and is a correct floating-point value.

Leave the parsing code unchanged so it will continue to read
older files.

Accept integer times. Previously, the field "time=1233294539" would be
rejected as invalid.

o Add an 'optional' keyword, which allows files to be in the
specification, but not in the file hierarchy.

PR: bin/99531
Submitted by: skv
Obtained from: NetBSD, originally from Ed Symanzik
Regress. test: test/test05.sh
MFC after: 1 month

Adds sha256 support. While it is a good idea to also add sha384 and
sha512, I did not do that since it is not entirely clear where "the one
true place" to hold their implementations is going to be. Sha256 is
different since mtree already links against libmd.

Make recommended procedure for integrity checking in the manpage
consistent.

Fix a bug with -f spec1 -f spec2 comparison, which prevented
test/tes03.sh from running successfully.

Reviewed by: phk, cperciva

Off by one error in malloc.

Approved by: re@

Rename spec() and verify() functions to have mtree_ prefix and take
explicit file descriptor instead of assuming stdin.

Use vis(3) to encode/decode the target for symlinks.

Make vis(3) decode errors fatal for both symlink targets and fienames.

Remove clause 3 in the copyrights (according to permission in src/COPYRIGHT)
Remove trailing whitespace.

Remove "register" keywords.
Use newspeak functions definitions.

Use __FBSDID over rcsid[]. Protect copyright[] where needed.

de-__P()

Switch over to using the new fflagstostr and strtofflags library calls.

Historically file flags (schg, uschg, etc) have been converted from
string to u_long and back using two functions, flags_to_string and
string_to_flags, which co-existed with 'ls'. As time has progressed
more and more other tools have used these private functions to
manipulate the file flags.

Recently I moved these functions from /usr/src/bin/ls to libutil,
but after some discussion with bde it's been decided that they
really ought to go in libc.

There are two already existing libc functions for manipulating file
modes: setmode and getmode. In keeping with these flags_to_string
has been renamed getflags and string_to_flags to setflags.

The manual page could probably be improved upon ;)

Added support for file flags, mostly merged from the NetBSD version.
The way is now open to schg and sappnd key files and directories in
our tree. There are recommendations in bin/15229.

PR: bin/15229
Reviewed by: imp, brian

$Id$ -> $FreeBSD$

Add support for SHA-1 and RIPEMD160, now that libmd includes them. Make
all of the hashes (including MD5) conditionalized in case we want
to turn one of them off later.

Teach mtree(8) to handle whitespace in filenames. Uses strvis(3).

PR: bin/3246
Submitted by: Eugene M. Kim <astralblue@usa.net>
Reviewed by: jkoshy, wollman

Free memory from getmode.

Obtained from: OpenBSD

Use err(3) instead of local redefinition.

ts_sec -> tv_sec
ts_nsec -> tv_nsec

Pointed out by: bde

st_size in struct stat has type off_t (long long) and not unsigned long
change strtoul() to strtoq()

Remove trailing whitespace.

mtree * MD5 = better security

Idea from: Dr. John T. Wroclawski

1. Remove commented out CFLAGS+=-DDEBUG from Makefile

2. Clean up code so it compiles -Wall (except for sccsid's and copyright).
This included fixing several printf formats that where not correct,
and changing the data types of a few things.

3. Implement new option -i that produces indented mtree output files.

4. Implement new option -n that turns off directory comments.

5. Only emit /set records if something has changed since the last one.

This commit was generated by cvs2svn to compensate for changes in r1553,
which included commits to RCS files with non-trunk default branches.

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