FreeBSD/Linux Kernel Cross Reference
sys/conf/osrelease.sh

     #!/bin/sh
     #
     #       $NetBSD: osrelease.sh,v 1.115 2008/08/05 08:26:05 apb Exp $
     #
     # Copyright (c) 1997 The NetBSD Foundation, Inc.
     # All rights reserved.
     #
     # This code is derived from software contributed to The NetBSD Foundation
     # by Luke Mewburn.
    #
    # Redistribution and use in source and binary forms, with or without
    # modification, are permitted provided that the following conditions
    # are met:
    # 1. Redistributions of source code must retain the above copyright
    #    notice, this list of conditions and the following disclaimer.
    # 2. Redistributions in binary form must reproduce the above copyright
    #    notice, this list of conditions and the following disclaimer in the
    #    documentation and/or other materials provided with the distribution.
    #
    # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
    # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
    # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
    # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    # POSSIBILITY OF SUCH DAMAGE.
    #
    
    # We use the number specified in <sys/param.h>
    
    AWK=${AWK:-awk}
    SED=${TOOL_SED:-sed}
    PARAMH="`dirname $0`"/../sys/param.h
    release=`$AWK '/^#define[       ]*__NetBSD_Version__/ { print $6 }' $PARAMH`
    
    # default: return nn.nn.nn
    # -m: return the major number -- -current is the number of the next release
    # -s: return nnnnnn (no dots)
    
    case $1 in
    -m)
            echo $release | $AWK -F. '{print int($1+$2/100+0.01)}'
            ;;
    -s)
            echo $release | $SED -e 's,\.,,g'
            ;;
    *)
            echo $release
            ;;
    esac

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