1#!/bin/sh 2# 3# $NetBSD: osrelease.sh,v 1.120 2009/11/15 18:41:08 dsl Exp $ 4# 5# Copyright (c) 1997 The NetBSD Foundation, Inc. 6# All rights reserved. 7# 8# This code is derived from software contributed to The NetBSD Foundation 9# by Luke Mewburn. 10# 11# Redistribution and use in source and binary forms, with or without 12# modification, are permitted provided that the following conditions 13# are met: 14# 1. Redistributions of source code must retain the above copyright 15# notice, this list of conditions and the following disclaimer. 16# 2. Redistributions in binary form must reproduce the above copyright 17# notice, this list of conditions and the following disclaimer in the 18# documentation and/or other materials provided with the distribution. 19# 20# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30# POSSIBILITY OF SUCH DAMAGE. 31# 32 33# We use the number specified in <sys/param.h> 34 35path="$0" 36[ "${path#/*}" = "$path" ] && path="./$path" 37exec < ${path%/*}/../sys/param.h 38 39# Search for line 40# #define __NetBSD_Version__ <ver_num> /* NetBSD <ver_text> */ 41# 42# <ver_num> and <ver_text> should match! 43 44while 45 read define ver_tag rel_num comment_start NetBSD rel_text rest || exit 1 46do 47 [ "$define" = "#define" ] || continue; 48 [ "$ver_tag" = "__NetBSD_Version__" ] || continue 49 break 50done 51 52# default: return MM.mm.pp 53# -m: return MM, representing only the major number; however, for -current, 54# return the next major number (e.g. for 5.99.nn, return 6) 55# -n: return MM.mm 56# -s: return MMmmpp (no dots) 57 58option="$1" 59 60# ${rel_num} is [M]Mmm00pp00 61rel_num=${rel_num%??} 62rel_MMmm=${rel_num%????} 63rel_MM=${rel_MMmm%??} 64rel_mm=${rel_MMmm#${rel_MM}} 65# rel_pp=${rel_num#${rel_MMmm}00} 66 67# Get patch from text version 68IFS=. 69set -- - $rel_text 70shift 3 71IFS=' ' 72set -- $rel_MM ${rel_mm#0} $* 73 74case "$option" in 75-m) 76 echo "$(((${rel_MMmm}+1)/100))" 77 ;; 78-n) 79 echo "${rel_MM}.${rel_mm#0}" 80 ;; 81-s) 82 IFS= 83 echo "$*" 84 ;; 85*) 86 IFS=. 87 echo "$*" 88 ;; 89esac 90