Add convert_drvapi.sh; a script that helps to convert NIC drivers
to use the procedural interface. Submitted by: Sreekanth Rupavatharam <rupavath@juniper.net> Reviewed by: glebius@ Obtained from: Juniper Networks, Inc.
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marcel
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tools/ifnet/convert_drvapi.sh
Executable file
255
tools/ifnet/convert_drvapi.sh
Executable file
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#!/bin/sh
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#
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# Copyright (c) 2014 Juniper Networks, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#
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# Convert a NIC driver to use the procdural API.
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# It doesn't take care of all the # cases yet,
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# but still does about 95% of work.
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#
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# Author: Sreekanth Rupavatharam
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#
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if [ $# -lt 1 ]
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then
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echo " $0 <driver source (e.g., if_em.c)>";
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exit 1;
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fi
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# XXX - This needs to change if the data structure uses different name
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__ifp__="ifp";
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file=$1
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rotateCursor() {
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case $toggle
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in
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1)
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printf " \\ "
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printf "\b\b"
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toggle="2"
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;;
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2)
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printf " | "
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printf "\b\b\b"
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toggle="3"
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;;
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3)
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printf " / "
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printf "\b\b\b"
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toggle="4"
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;;
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*)
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printf " - "
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printf "\b\b\b"
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toggle="1"
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;;
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esac
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}
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handle_set() {
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# Handle the case where $__ifp__->if_blah = XX;
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line=$1
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set=`echo $line| grep "$__ifp__->.* = "`
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if [ ! -z "$set" ]
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then
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word=`echo $line | awk -F "if_" ' { print $2 }' | awk -F" =" '{ print $1 }'`
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value=`echo $line | awk -F "=" '{ print $2 }' | sed -e 's/;//g'`
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new=`echo if_set$word"\($__ifp__,"$value");"`
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new=`echo $new | sed -e 's/&/\\\&/'`
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old=`echo $line|sed -e 's/^[ ]*//'`
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line=`echo $line| sed -e's/'$old'/'$new'/g'`
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return 0
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fi
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return 1
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}
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handle_inc() {
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line=$1
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inc=`echo $line | grep "$__ifp__->.*++"`
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if [ ! -z "$inc" ]
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then
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word=`echo $line | awk -F"if_" '{ print $2 }'|awk -F"\+" '{ print $1}'`
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value=' 1';
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old=`echo $line|sed -e 's/^[ ]*//'`
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new=`echo if_inc$word"\($__ifp__,"$value");"`
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new=`echo $new | sed -e 's/&/\\\&/'`
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line=`echo $line| sed -e's/'$old'/'$new'/g'`
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return 0;
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fi
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return 1;
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}
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handle_add() {
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line=$1
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add=`echo $line|grep "$__ifp__->.*+= "`
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if [ ! -z "$add" ]
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then
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word=`echo $line | awk -F"if_" '{ print $2 }'|awk '{ print $1}'`
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value=`echo $line | awk -F"=" '{ print $2}' | sed -e 's/;//g'`
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new=`echo if_inc$word"\($__ifp__,$value);"`
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new=`echo $new | sed -e 's/&/\\\&/'`
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old=`echo $line|sed -e 's/^[ ]*//'`
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line=`echo $line| sed -e's/'$old'/'$new'/g'`
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return 0
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fi
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return 1;
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}
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handle_or() {
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line=$1
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or=`echo $line|grep "$__ifp__->.*|= "`
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if [ ! -z "$or" ]
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then
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word=`echo $line | awk -F"if_" '{ print $2 }'|awk '{ print $1}'`
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value=`echo $line | awk -F"=" '{ print $2}' | sed -e 's/;//g'`
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new=`echo if_set${word}bit"($__ifp__,$value, 0);"`
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new=`echo $new | sed -e 's/&/\\\&/'`
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#line=`echo $line|sed -e 's/&/\\&/'`
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old=`echo $line|sed -e 's/^[ ]*//'`
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line=`echo $line| sed -e's/'$old'/'$new'/g'`
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return 0;
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fi
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return 1;
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}
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handle_and() {
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line=$1
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or=`echo $line|grep "$__ifp__->.*&= "`
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if [ ! -z "$or" ]
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then
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word=`echo $line | awk -F"if_" '{ print $2 }'|awk '{ print $1}'`
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value=`echo $line | awk -F"=" '{ print $2}' | sed -e 's/;//g'`
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value=`echo $value | sed -e's/~//g'`
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new=`echo if_set${word}bit"\($__ifp__, 0,$value);"`
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new=`echo $new | sed -e 's/&/\\\&/'`
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old=`echo $line|sed -e 's/^[ ]*//'`
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line=`echo $line| sed -e's/'$old'/'$new'/g'`
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return 0;
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fi
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return 1;
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}
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# XXX - this needs updating
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handle_misc() {
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line=$1
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get=`echo $line | grep "if_capabilities\|if_flags\|if_softc\|if_capenable\|if_mtu\|if_drv_flags"`
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if [ ! -z "$get" ]
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then
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word=`echo $line |awk -F"$__ifp__->if_" '{ print $2 }' | \
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sed -e's/[^a-zA-Z0-9_]/\@/'|awk -F"\@" '{ print $1}'`
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old=`echo "$__ifp__->if_"${word}`
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new=`echo "if_get"${word}"($__ifp__)"`
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new=`echo $new | sed -e 's/&/\\\&/'`
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line=`echo $line| sed -e's/'$old'/'$new'/g'`
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return 0;
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fi
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return 1;
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}
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if [ -e $file.tmp ]
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then
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rm $file.tmp
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fi
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IFS=
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echo -n "Conversion for $file started, please wait: "
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FAIL_PAT="XXX - DRVAPI"
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count=0
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cat $1 | while read -r line
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do
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count=`expr $count + 1`
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rotateCursor
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pat=`echo $line | grep "$__ifp__->"`
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while [ "$pat" != "" ]
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do
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pat=`echo $line | grep "$__ifp__->"`
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if [ ! -z `echo $pat | grep "$FAIL_PAT"` ]
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then
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break;
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fi
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handle_set $line
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if [ $? != 0 ]
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then
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handle_inc $line
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fi
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if [ $? != 0 ]
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then
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handle_add $line
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fi
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if [ $? != 0 ]
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then
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handle_or $line
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fi
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if [ $? != 0 ]
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then
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handle_and $line
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fi
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if [ $? != 0 ]
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then
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handle_misc $line
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fi
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if [ $? != 0 ]
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then
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if [ ! -z `echo $line | grep "$__ifp__->"` ]
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then
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line=`echo $line | sed -e 's:$: \/* '${FAIL_PAT}' *\/:g'`
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fi
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fi
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done
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# Replace the ifnet * with if_t
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if [ ! -z `echo $line | grep "struct ifnet"` ]
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then
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line=`echo $line | sed -e 's/struct ifnet[ \t]*\*/if_t /g'`
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fi
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echo "$line" >> $file.tmp
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done
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echo ""
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count=`grep $FAIL_PAT $file.tmp | wc -l`
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if [ $count -gt 0 ]
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then
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echo "$count lines could not be converted to DRVAPI"
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echo "Look for /* $FAIL_PAT */ in the converted file"
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fi
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echo "original $file has been moved to $file.orig"
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mv $file $file.orig
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mv $file.tmp $file
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