1#
2# Automated Testing Framework (atf)
3#
4# Copyright (c) 2007 The NetBSD Foundation, Inc.
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17# CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20# IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29
30function warn(msg) {
31    print FILENAME "[" FNR "]: " msg > "/dev/stderr"
32    error = 1
33}
34
35BEGIN {
36    skip = 0
37    error = 0
38}
39
40/NO_CHECK_STYLE_BEGIN/ {
41    skip = 1
42    next
43}
44
45/NO_CHECK_STYLE_END/ {
46    skip = 0
47    next
48}
49
50/NO_CHECK_STYLE/ {
51    next
52}
53
54{
55    if (skip)
56        next
57
58    if (length > 80)
59        warn("Line too long to fit on screen")
60}
61
62/^ *\t+/ {
63    if (! match(FILENAME, "Makefile"))
64        warn("Tab character used for indentation");
65}
66
67/[ \t]+$/ {
68    warn("Trailing spaces or tabs");
69}
70
71/#![^ ]/ { # NO_CHECK_STYLE
72    warn("Invalid shellbang: missing space after !");
73}
74
75END {
76    if (skip)
77        warn("Missing NO_CHECK_STYLE_END");
78    if (error)
79        exit 1
80}
81
82# vim: syntax=awk:expandtab:shiftwidth=4:softtabstop=4
83