- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

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

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

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

Constify where appropriate.

Reported by: emaste
Approved by: cperciva (mentor)
MFC After: 3 days

Cleanups to touch.c
- use const where appropriate
- use static where appropriate
- use explicit checks checks for error conditions

Reviewed by: sbruno
Approved by: cperciva (mentor)
Obtained by: DragonFlyBSD

touch: Add the -d option from POSIX.1-2008.

This is much like -t but with a different format which is ISO8601-like and
allows fractions of a second.

The precision is limited to microseconds because of utimes() and friends,
even though stat() returns nanoseconds.

MFC after: 10 days

Remove useless and potentially dangerous rw() function which tries to
update access and modification times by reading and writing the file.
chmod(2) in rw() doesn't help because utimes(2) allow owner and the
super-user to change times. Using just utimes(2) should be sufficient.

The -f option becomes no-op.

Reviewed by: jilles

Remove the advertising clause from UCB copyrighted files in usr.bin. This
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with: imp, rwatson

Change all our own code to use st_*tim instead of st_*timespec.

Also remove some local patches to diff(1) which are now unneeded.

- If lstat()/stat() fails with an error other than ENOENT, don't ignore
the error and assume that the file doesn't exist. Touch could return
success with -c option even if the file existed and time was not set.
- If the first utimes_f() call fails with -A option, give up and don't
continue trying to set times to current time. [1]
- Set exit status to 1 when setting of timestamps fails for a directory
or symbolic link even though lstat()/stat() would succeed.
- Don't print bogus error message when rw() succeeds.

PR: bin/112213
Submitted by: jilles [1]
Reviewed by: jilles
Approved by: trasz (mentor)

Usage: print base name of program.

-A flag: respect the -a and -m flags.
imply the -c flag.

Requested in principle by: brian

Add -A flag to adjust existing time stamps.
Print name by which program was started in usage() message.

MFC after: 2 weeks

Don't set time to current, if set to specific time fails

PR: 92577

ANSIify function definitions.
Add some constness to avoid some warnings.
Remove use register keyword.
Deal with missing/unneeded extern/prototypes.
Some minor type changes/casts to avoid warnings.

Reviewed by: md5

Replace various spelling with FALLTHROUGH which is lint()able

Remove local prototypes for main().

Handle directories correctly.

PR: 40801
MFC after: 5 days

remove __P

WARNS=2 is going to be the default, so don't specify it. Use __FBSDID().

blah, remove debugging code that crept in with last commit.

Add the 'h' flag to operate on symlinks rather than what they point to.

Fix some trivial warnings and clamp down with WARNS=2

MFC after: 1 week

Clean up some ambiguous nested if/elses.

Brucify.

Sync usage() with man page.

PR: 11539
Submitted by: Ruslan Ermilov <ru@ucb.crimea.ua>

Merge from 2_2 man page change.

PR: 9323
Submitted by: ishisone@sra.co.jp
Make touch handle years 2000-2038 in the obsoleted format, rather
than 1902-1969 as was previously the case with two digit year spec.

Don't assume that time_t is long.

compare return value from getopt against -1 rather than EOF, per the final
posix standard on the topic.

Don't use __dead or __pure in user code. They were obfuscations
for gcc >= 2.5 and no-ops for gcc >= 2.6. Converted to use __dead2
or __pure2 where it wasn't already done, except in math.h where use
of __pure was mostly wrong.

PR # bin/274
> The command:
>
> touch -t 199504011200 testfile
>
> gives the error message:
>
> touch: out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]

Submitted by: mpp@legarto.minn.net (Mike Pritchard)

Remove trailing whitespace.

This commit was generated by cvs2svn to compensate for changes in r1590,
which included commits to RCS files with non-trunk default branches.

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