Merge branch 'ul-refactor' of https://github.com/kerolasa/util-linux

* 'ul-refactor' of https://github.com/kerolasa/util-linux:
  ul: flip comparisons to lesser to greater order
  ul: use size_t to measure memory allocation size
  ul: improve function and variable names
  ul: rename enumerated mode symbols
  ul: remove function like putwp preprocessor define
  ul: free most allocations ncurses did during setupterm()
  ul: replace global runtime variables with a control structure
  ul: add a term capabilities tracking structure
  ul: remove function prototypes
  ul: tidy up coding style
  ul: add basic tests

tests/expected/ul/basic

@@ -0,0 +1,113 @@
+printable characters
+ 
+!
+"
+#
+$
+%
+&
+'
+(
+)
+*
++
+,
+-
+.
+/
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+:
+;
+<
+=
+>
+?
+@
+A
+B
+C
+D
+E
+F
+G
+H
+I
+J
+K
+L
+M
+N
+O
+P
+Q
+R
+S
+T
+U
+V
+W
+X
+Y
+Z
+[
+\
+]
+^
+_
+`
+a
+b
+c
+d
+e
+f
+g
+h
+i
+j
+k
+l
+m
+n
+o
+p
+q
+r
+s
+t
+u
+v
+w
+x
+y
+z
+{
+|
+}
+~
+filter input
+backspacex
+        tab
+R
+SO
+SI(B
+underline
+flush
+afer flush
+normaldim(B
+normaldimunderlined
+normal
+reverse
+eof
+indicated
+ul
+__

tests/ts/ul/basic

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2020 Sami Kerola <kerolasa@iki.fi>
+#
+# This file is part of util-linux.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+TS_TOPDIR="${0%/*}/../.."
+TS_DESC="basic tests"
+
+. $TS_TOPDIR/functions.sh
+ts_init "$*"
+
+ts_check_test_command "$TS_CMD_UL"
+
+ts_log "printable characters"
+$TS_CMD_UL < $TS_SELF/basic.input >> $TS_OUTPUT 2>> $TS_ERRLOG
+
+ts_log "filter input"
+$TS_CMD_UL $TS_SELF/filter.input >> $TS_OUTPUT 2>> $TS_ERRLOG
+
+ts_log "indicated"
+printf "u\b_l\b_\n" | ul --indicated >> $TS_OUTPUT 2>> $TS_ERRLOG
+
+ts_finalize

tests/ts/ul/basic.input

@@ -0,0 +1,95 @@
+ 
+!
+"
+#
+$
+%
+&
+'
+(
+)
+*
++
+,
+-
+.
+/
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+:
+;
+<
+=
+>
+?
+@
+A
+B
+C
+D
+E
+F
+G
+H
+I
+J
+K
+L
+M
+N
+O
+P
+Q
+R
+S
+T
+U
+V
+W
+X
+Y
+Z
+[
+\
+]
+^
+_
+`
+a
+b
+c
+d
+e
+f
+g
+h
+i
+j
+k
+l
+m
+n
+o
+p
+q
+r
+s
+t
+u
+v
+w
+x
+y
+z
+{
+|
+}
+~

tests/ts/ul/filter.input

@@ -0,0 +1,11 @@
+backspacexy
+  	tab
+R
S
+SO
+SI
+u_n_d_e_r_line
+flushafer flush
+normal9dim
+normal8dimunderlined
+normal7reverse
+eof