src/usr.bin/sort, branch stable/10

MFC r305613 (gabor):

2017-05-22T16:11:46+00:00

 Fix typo.

PR:		211245
Sponsored by:	The FreeBSD Foundation

MFC: r310712

2017-05-10T20:29:01+00:00

- Use correct offsets into the keys set array. As the elements of this
  zero-length array are dynamically sized at run-time based on the use
  of hints, compilers can't be expected to figure out these offsets on
  their own. [1]
- Fix incorrect comparison in cmp_nans(). [2]

PR:		204571 [1], 202301 [2]
Submitted by:	David Binderman [2]

MFC r312667:

2017-02-06T05:27:05+00:00

sort - Don't live-loop threads.

Worker threads now use a pthread_cond_t to wait for work instead of
burning the cpu up.

Obtained from:	DragonflyBSD (07774aea0ccf64a48fcfad8899e3bf7c8f18277a)

MFC r309232-309234:

2016-12-12T00:47:12+00:00

r309232: Fix an obvious typo.
r309233: Eliminate variables that are computed, assigned but
         never used.
r309234: pages and psize are always assigned, so there is no
         need to initialize them as zero.

Replace LDFLAGS by LDADD to fix sort build with -DNO_SHARED

2015-04-21T15:47:00+00:00

Differential Revision:	https://reviews.freebsd.org/D2044
Reviewed by:	sbruno@
Approved by:	sbruno@
Sponsored by:	Netgate

MFC r281181, r281182;

2015-04-14T18:57:50+00:00

sort(1): Cleanups and a small memory leak.
Remove custom getdelim(3) and fix a small memory leak.

Obtained from:  OpenBSD

MFC: r272398

2014-10-06T09:15:09+00:00

Make sure to not skip any argument when converting from deprecated
+POS1, -POS2 to -kPOS1,POS2, so that sort +0n gets translated to sort -k1,1n
as it is expected

PR:		193994
Submitted by:	rodrigo
MFC after:	3 days

MFC r269289, r269290, r269291, r269292, r269293:

2014-08-04T03:59:48+00:00

r269289:
  sort(1): Remove trailing '.' from See Also section.

r269290:
  acpi_wmi(4): Remove trailing comma from standalone Xref.

r269291:
  hptiop(4): Remove trailing comma from ending Xref.

r269292:
  pf.conf(5): Remove trailing comma from ending Xref.

r269293:
  kernel_mount(9): Remove trailing comma from ending Xref.

Sponsored by:	The FreeBSD Foundation

MFC r264918:

2014-05-14T15:24:25+00:00

  Fix spelling error.

MFC r264581, r264744:

2014-04-30T20:39:08+00:00

Various style(9) fixes and typos in printf, grep, sort and patch.

#define should be followed by a tab.