misc/137647: ps output depends on terminals column width when piping or redirecting

[Justin Hibbits]

The following reply was made to PR bin/137647; it has been noted by GNATS.

From: Justin Hibbits <jrh29 at alumni.cwru.edu>
To: bug-followup at freebsd.org, rivanr at gmail.com
Cc:  
Subject: Re: misc/137647: ps output depends on terminals column width when 
	piping or redirecting
Date: Mon, 10 Aug 2009 18:49:57 -0400

 This patch hasn't been tested with every possible tty, but it works
 with xterm, vc, and redirect.  There is one caveat, it breaks "ps aux
 | less", if one wants a simple list.
 (Gmail isn't cooperating, so patch is inline).
 
 ===================================================================
 --- ps.c	(revision 195790)
 +++ ps.c	(working copy)
 @@ -187,6 +187,8 @@
 
  	if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0')
  		termwidth = atoi(cols);
 +	else if (!isatty(STDOUT_FILENO))
 +		termwidth = UNLIMITED;
  	else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 &&
  	     ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 &&
  	     ioctl(STDIN_FILENO,  TIOCGWINSZ, (char *)&ws) == -1) ||