svn commit: r245418 - head/usr.bin/stdbuf

[Jeremie Le Hen]

Author: jlh
Date: Mon Jan 14 11:03:13 2013
New Revision: 245418
URL: http://svnweb.freebsd.org/changeset/base/245418

Log:
  Allow commands without any additional arguments, as stated in the
  manpage.  While here, exit early when there is nothing to do.
  
  PR:            168415
  Submitted by:  Zhihao Yuan (initial version)
  MFC after:     1 week
  Approved by:   kib (mentor)

Modified:
  head/usr.bin/stdbuf/stdbuf.c

Modified: head/usr.bin/stdbuf/stdbuf.c
==============================================================================
--- head/usr.bin/stdbuf/stdbuf.c	Mon Jan 14 11:00:06 2013	(r245417)
+++ head/usr.bin/stdbuf/stdbuf.c	Mon Jan 14 11:03:13 2013	(r245418)
@@ -72,8 +72,8 @@ main(int argc, char *argv[])
 	}
 	argc -= optind;
 	argv += optind;
-	if (argc < 2)
-		usage(0);
+	if (argc == 0)
+		exit(0);
 
 	if (ibuf != NULL && setenv("_STDBUF_I", ibuf, 1) == -1)
 		warn("Failed to set environment variable: %s=%s",