[hackers] [sbase] Finish up cols(1) || FRIGN

[git]

commit 9e32dac4040da018a8ac98a07ddbd4ca5c23a744
Author: FRIGN <d...@frign.de>
Date:   Sun Feb 1 00:55:22 2015 +0100

    Finish up cols(1)

diff --git a/README b/README
index cb845ba..cbf4929 100644
--- a/README
+++ b/README
@@ -18,7 +18,7 @@ The following tools are implemented ('*' == finished, '#' == 
UTF-8 support,
 =* chroot          non-posix                       none
 =* cksum           yes                             none
    cmp             yes                             none
-   cols            non-posix                       none
+#* cols            non-posix                       none
 =* comm            yes                             none
 =  cp              no                              -H, (-i), -L
 =* cron            non-posix                       none
diff --git a/cols.1 b/cols.1
index 95e6b56..c51388f 100644
--- a/cols.1
+++ b/cols.1
@@ -1,4 +1,4 @@
-.Dd December 8, 2014
+.Dd February 1, 2015
 .Dt COLS 1
 .Os sbase
 .Sh NAME
@@ -6,34 +6,36 @@
 .Nd columnize output
 .Sh SYNOPSIS
 .Nm
-.Op Fl c Ar chars
+.Op Fl c Ar num
 .Op Ar file ...
 .Sh DESCRIPTION
 .Nm
-reads each file in sequence and writes them to stdout, in as many vertical
+reads each
+.Ar file
+in sequence and writes them to stdout, in as many vertical
 columns as will fit in
-.Ar chars
+.Ar num
 character columns. If no
 .Ar file
 is given,
 .Nm
 reads from stdin.
 .Sh OPTIONS
-.Bl -tag -width xxxxxxxx
+.Bl -tag -width Ds
 .It Fl c Ar chars
-Specifies the maximum number of character columns to use
+Set the maximum number of character columns to use
 (unless the input contains lines longer than
-.Ar chars
+.Ar num
 characters). By default cols tries to figure out the width of the output
-device, if that fails it defaults to 65 chars.
+device. If that fails, it defaults to 65 chars.
 .El
 .Sh HISTORY
 .Nm
-is similar to the mc(1) command on Plan 9. It was renamed to
+is similar to mc(1) in Plan 9. It was renamed to
 .Nm
 to avoid the name collision with the popular file manager
 Midnight Commander.
-.Sh BUGS
+.Sh CAVEATS
 This implementation of
 .Nm
 assumes that each UTF-8 code point occupies one character cell,
diff --git a/cols.c b/cols.c
index fce4c19..ce0018c 100644
--- a/cols.c
+++ b/cols.c
@@ -12,7 +12,7 @@
 #include "util.h"
 
 static size_t chars = 65;
-static int cflag;
+static int    cflag;
 static struct linebuf b = EMPTY_LINEBUF;
 
 static size_t n_columns;
@@ -58,8 +58,8 @@ main(int argc, char *argv[])
        for (l = 0; l < b.nlines; ++l) {
                len = utflen(b.lines[l]);
                bytes = strlen(b.lines[l]);
-               if (len > 0 && b.lines[l][bytes-1] == '\n') {
-                       b.lines[l][bytes-1] = '\0';
+               if (len > 0 && b.lines[l][bytes - 1] == '\n') {
+                       b.lines[l][bytes - 1] = '\0';
                        --len;
                }
                if (len > maxlen)