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#!/bin/sh
# $OpenBSD: genmap.sh,v 1.7 2015/01/16 06:39:58 deraadt Exp $
# Copyright (c) 2010-2013 Reyk Floeter <reyk@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
TOK=$(echo ${2} | tr "[:lower:]" "[:upper:]")
tok=$(echo ${2} | tr "[:upper:]" "[:lower:]")
MAP=$(grep "struct iked_constmap" $1 |
sed -Ee "s/.*${tok}_([^_]+)_map.*/\1/g")
# Print license/copyright notice and headers
cat <<EOF
/* Automatically generated from $1, do not edit */
EOF
sed -n '1,/^ \*\//p' $1
cat <<EOF
#include <sys/types.h>
#include "types.h"
#include "${tok}.h"
EOF
for i in $MAP; do
lower=$(echo $i | tr "[:upper:]" "[:lower:]")
upper=$(echo $i | tr "[:lower:]" "[:upper:]")
echo "struct iked_constmap ${tok}_${lower}_map[] = {"
X="${TOK}_${upper}"
grep "$X" $1 | grep -v '\\' | sed -Ee \
"s/#define.*${X}_([^[:blank:]]+).*\/\* (.+) \*\/$\
/ { ${X}_\1, \"\1\", \"\2\" },/"
echo " { 0 }"
echo "};"
done
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