Check accept components and inet built-in services.

* src/comp.c (component_verify,component_finish): Fix check for
the presense of the "command" statement.
* src/pies.c (component_keywords): Reorder some entries for
the consistency of config-help output.

* tests/.gitignore: Add new files.
* tests/Makefile.am: Add new tests and noinst programs.
* tests/accept.at: New test.
* tests/builtin.at: New test.
* tests/chargen.c: New file.
* tests/readtime.c: New file.
* tests/recvfd.c: Rewrite for testing both accept and pass-fd components.
* tests/passfd.at: Pass -s option to recvfd
* tests/testsuite.at: Add new tests.
* tests/lines.c: Minor changes.
* tests/nt.c: Minor changes.
* tests/to.c: Minor changes.

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/lines.c b/tests/lines.c
index 106491f..f7f8443 100644
--- a/tests/lines.c
+++ b/tests/lines.c
@@ -1,3 +1,19 @@
+/* This file is part of GNU Pies testsuite.
+   Copyright (C) 2019 Sergey Poznyakoff
+
+   GNU Pies 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 3, or (at your option)
+   any later version.
+
+   GNU Pies 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.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Pies.  If not, see <http://www.gnu.org/licenses/>. */
+
 #include <stdio.h>
 
 int
@@ -11,6 +27,7 @@ main (int argc, char **argv)
   if (argc != 2)
     {
       fprintf (stderr, "usage: %s FILE\n", progname);
+      fprintf (stderr, "Prints number of lines in FILE.\n");
       return 1;
     }