xref: /illumos-gate/usr/src/cmd/getmajor/getmajor.sh (revision f3041bfa)
1#!/bin/sh
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# Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26#ident	"%Z%%M%	%I%	%E% SMI"
27
28if [ $# -ne 1 ]
29then
30	echo "Usage: `basename $0` modname" >&2
31	exit 2
32fi
33
34exec nawk -v a="$1" -v del='#' '$1 !~ /^#|^$/ && $1 == a { \
35    num = split($2, maj, del); \
36    if (num > 1) { print maj[1] } else { print $2 } \
37    found = 1; exit 0 } \
38    END {if (!found) exit 1}' < /etc/name_to_major
39