xref: /titanic_51/usr/src/cmd/ast/libshell/common/scripts/shlint.sh (revision b4dd7d09880f14016feece03929a224eca1cf39a)
1*b4dd7d09SAndy Fiddaman#!/usr/bin/ksh93
2*b4dd7d09SAndy Fiddaman
3*b4dd7d09SAndy Fiddaman#
4*b4dd7d09SAndy Fiddaman# CDDL HEADER START
5*b4dd7d09SAndy Fiddaman#
6*b4dd7d09SAndy Fiddaman# The contents of this file are subject to the terms of the
7*b4dd7d09SAndy Fiddaman# Common Development and Distribution License (the "License").
8*b4dd7d09SAndy Fiddaman# You may not use this file except in compliance with the License.
9*b4dd7d09SAndy Fiddaman#
10*b4dd7d09SAndy Fiddaman# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11*b4dd7d09SAndy Fiddaman# or http://www.opensolaris.org/os/licensing.
12*b4dd7d09SAndy Fiddaman# See the License for the specific language governing permissions
13*b4dd7d09SAndy Fiddaman# and limitations under the License.
14*b4dd7d09SAndy Fiddaman#
15*b4dd7d09SAndy Fiddaman# When distributing Covered Code, include this CDDL HEADER in each
16*b4dd7d09SAndy Fiddaman# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17*b4dd7d09SAndy Fiddaman# If applicable, add the following below this CDDL HEADER, with the
18*b4dd7d09SAndy Fiddaman# fields enclosed by brackets "[]" replaced with your own identifying
19*b4dd7d09SAndy Fiddaman# information: Portions Copyright [yyyy] [name of copyright owner]
20*b4dd7d09SAndy Fiddaman#
21*b4dd7d09SAndy Fiddaman# CDDL HEADER END
22*b4dd7d09SAndy Fiddaman#
23*b4dd7d09SAndy Fiddaman
24*b4dd7d09SAndy Fiddaman#
25*b4dd7d09SAndy Fiddaman# Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
26*b4dd7d09SAndy Fiddaman#
27*b4dd7d09SAndy Fiddaman
28*b4dd7d09SAndy Fiddaman#
29*b4dd7d09SAndy Fiddaman# shlint - a simple lint wrapper around "shcomp"
30*b4dd7d09SAndy Fiddaman#
31*b4dd7d09SAndy Fiddaman
32*b4dd7d09SAndy Fiddaman# Solaris needs /usr/xpg6/bin:/usr/xpg4/bin because the tools in /usr/bin are not POSIX-conformant
33*b4dd7d09SAndy Fiddamanexport PATH=/usr/xpg6/bin:/usr/xpg4/bin:/bin:/usr/bin
34*b4dd7d09SAndy Fiddaman
35*b4dd7d09SAndy Fiddaman# Make sure all math stuff runs in the "C" locale to avoid problems
36*b4dd7d09SAndy Fiddaman# with alternative # radix point representations (e.g. ',' instead of
37*b4dd7d09SAndy Fiddaman# '.' in de_DE.*-locales). This needs to be set _before_ any
38*b4dd7d09SAndy Fiddaman# floating-point constants are defined in this script).
39*b4dd7d09SAndy Fiddamanif [[ "${LC_ALL}" != "" ]] ; then
40*b4dd7d09SAndy Fiddaman    export \
41*b4dd7d09SAndy Fiddaman        LC_MONETARY="${LC_ALL}" \
42*b4dd7d09SAndy Fiddaman        LC_MESSAGES="${LC_ALL}" \
43*b4dd7d09SAndy Fiddaman        LC_COLLATE="${LC_ALL}" \
44*b4dd7d09SAndy Fiddaman        LC_CTYPE="${LC_ALL}"
45*b4dd7d09SAndy Fiddaman        unset LC_ALL
46*b4dd7d09SAndy Fiddamanfi
47*b4dd7d09SAndy Fiddamanexport LC_NUMERIC=C
48*b4dd7d09SAndy Fiddaman
49*b4dd7d09SAndy Fiddamanfunction fatal_error
50*b4dd7d09SAndy Fiddaman{
51*b4dd7d09SAndy Fiddaman	print -u2 "${progname}: $*"
52*b4dd7d09SAndy Fiddaman	exit 1
53*b4dd7d09SAndy Fiddaman}
54*b4dd7d09SAndy Fiddaman
55*b4dd7d09SAndy Fiddamanfunction usage
56*b4dd7d09SAndy Fiddaman{
57*b4dd7d09SAndy Fiddaman	OPTIND=0
58*b4dd7d09SAndy Fiddaman	getopts -a "${progname}" "${shlint_usage}" OPT '-?'
59*b4dd7d09SAndy Fiddaman	exit 2
60*b4dd7d09SAndy Fiddaman}
61*b4dd7d09SAndy Fiddaman
62*b4dd7d09SAndy Fiddaman# program start
63*b4dd7d09SAndy Fiddamanbuiltin basename
64*b4dd7d09SAndy Fiddaman
65*b4dd7d09SAndy Fiddamantypeset progname="${ basename "${0}" ; }"
66*b4dd7d09SAndy Fiddaman
67*b4dd7d09SAndy Fiddamantypeset -r shlint_usage=$'+
68*b4dd7d09SAndy Fiddaman[-?\n@(#)\$Id: shlint (Roland Mainz) 2009-03-15 \$\n]
69*b4dd7d09SAndy Fiddaman[-author?Roland Mainz <roland.mainz@sun.com>]
70*b4dd7d09SAndy Fiddaman[-author?Roland Mainz <roland.mainz@nrubsig.org>]
71*b4dd7d09SAndy Fiddaman[+NAME?shlint - lint for POSIX shell scripts]
72*b4dd7d09SAndy Fiddaman[+DESCRIPTION?\bshlint\b is a lint for POSIX shell scripts.]
73*b4dd7d09SAndy Fiddaman[+SEE ALSO?\bshcomp\b(1), \bksh93\b(1)]
74*b4dd7d09SAndy Fiddaman'
75*b4dd7d09SAndy Fiddaman
76*b4dd7d09SAndy Fiddamanwhile getopts -a "${progname}" "${shlint_usage}" OPT ; do
77*b4dd7d09SAndy Fiddaman#	printmsg "## OPT=|${OPT}|, OPTARG=|${OPTARG}|"
78*b4dd7d09SAndy Fiddaman	case ${OPT} in
79*b4dd7d09SAndy Fiddaman		*)    usage ;;
80*b4dd7d09SAndy Fiddaman	esac
81*b4dd7d09SAndy Fiddamandone
82*b4dd7d09SAndy Fiddamanshift $((OPTIND-1))
83*b4dd7d09SAndy Fiddaman
84*b4dd7d09SAndy Fiddaman(( $# > 0 )) || usage
85*b4dd7d09SAndy Fiddaman
86*b4dd7d09SAndy Fiddamanfile="$1"
87*b4dd7d09SAndy Fiddaman[[ ! -f "$file" ]] && fatal_error $"File ${file} not found."
88*b4dd7d09SAndy Fiddaman[[ ! -r "$file" ]] && fatal_error $"File ${file} not readable."
89*b4dd7d09SAndy Fiddaman
90*b4dd7d09SAndy Fiddamanx="$( /usr/bin/shcomp -n "${file}" /dev/null 2>&1 1>/dev/null  )"
91*b4dd7d09SAndy Fiddaman
92*b4dd7d09SAndy Fiddamanprintf "%s\n" "$x"
93*b4dd7d09SAndy Fiddaman
94*b4dd7d09SAndy Fiddaman[[ "$x" != "" ]] && exit 1 || exit 0
95*b4dd7d09SAndy Fiddaman# EOF.
96