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-rw-r--r--usr.bin/column/column.114
-rw-r--r--usr.bin/column/column.c18
2 files changed, 17 insertions, 15 deletions
diff --git a/usr.bin/column/column.1 b/usr.bin/column/column.1
index 8e9c3b13893..86c38f78d1d 100644
--- a/usr.bin/column/column.1
+++ b/usr.bin/column/column.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: column.1,v 1.14 2015/03/13 19:58:41 jmc Exp $
+.\" $OpenBSD: column.1,v 1.15 2016/03/17 05:27:10 bentley Exp $
.\" $NetBSD: column.1,v 1.3 1995/03/26 09:08:28 glass Exp $
.\"
.\" Copyright (c) 1989, 1990, 1993
@@ -30,7 +30,7 @@
.\"
.\" @(#)column.1 8.1 (Berkeley) 6/6/93
.\"
-.Dd $Mdocdate: March 13 2015 $
+.Dd $Mdocdate: March 17 2016 $
.Dt COLUMN 1
.Os
.Sh NAME
@@ -75,10 +75,12 @@ Fill columns before filling rows.
.Sh ENVIRONMENT
.Bl -tag -width COLUMNS
.It Ev COLUMNS
-The environment variable
-.Ev COLUMNS
-is used to determine the size of
-the screen if no other information is available.
+If set to a positive integer,
+.Nm Ns 's
+output is formatted to the given width in (terminal) columns.
+Otherwise,
+.Nm
+defaults to the terminal width, or 80 columns if the output is not a terminal.
.El
.Sh EXIT STATUS
.Ex -std column
diff --git a/usr.bin/column/column.c b/usr.bin/column/column.c
index 20fa4f7401c..918ba51c94d 100644
--- a/usr.bin/column/column.c
+++ b/usr.bin/column/column.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: column.c,v 1.22 2015/11/03 04:55:44 mmcc Exp $ */
+/* $OpenBSD: column.c,v 1.23 2016/03/17 05:27:10 bentley Exp $ */
/* $NetBSD: column.c,v 1.4 1995/09/02 05:53:03 jtc Exp $ */
/*
@@ -50,7 +50,7 @@ void print(void);
void r_columnate(void);
void usage(void);
-int termwidth = 80; /* default terminal width */
+int termwidth; /* default terminal width */
int entries; /* number of records */
int eval; /* exit value */
@@ -67,14 +67,14 @@ main(int argc, char *argv[])
char *p;
const char *errstr;
- if (ioctl(1, TIOCGWINSZ, &win) == -1 || !win.ws_col) {
- if ((p = getenv("COLUMNS")) && *p != '\0') {
- termwidth = strtonum(p, 1, INT_MAX, &errstr);
- if (errstr != NULL)
- errx(1, "%s: %s", errstr, p);
- }
- } else
+ termwidth = 0;
+ if ((p = getenv("COLUMNS")) != NULL)
+ termwidth = strtonum(p, 1, INT_MAX, NULL);
+ if (termwidth == 0 && ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == 0 &&
+ win.ws_col > 0)
termwidth = win.ws_col;
+ if (termwidth == 0)
+ termwidth = 80;
if (pledge("stdio rpath", NULL) == -1)
err(1, "pledge");