1#! /usr/bin/python
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
25#
26
27# Copyright 2008, 2010, Richard Lowe
28
29# Make sure there is a copyright claim for the current year.
30
31import time, re, sys
32
33def err(stream, msg, fname):
34	stream.write("%s: %s\n" % (fname, msg))
35
36def is_copyright(line):
37	return re.search(r'Copyright (?!\[yyyy\])', line)
38
39def is_current_copyright(line):
40	return re.search(r'Copyright.*\b%s\b' % time.strftime('%Y'), line)
41
42def copyright(fh, filename=None, output=sys.stderr):
43	ret = rights = goodrights = 0
44
45	if not filename:
46		filename = fh.name
47
48	for line in fh:
49		if is_copyright(line):
50			rights += 1
51			if is_current_copyright(line):
52				goodrights += 1
53				break
54
55	if rights == 0:
56		err(output, "no copyright message found", filename)
57		ret = 1
58	elif goodrights == 0:
59		err(output, "no copyright claim for current year found",
60		    filename)
61		ret = 1
62
63	return ret
64