1#!/bin/sh
2# $OpenBSD: genmap.sh,v 1.7 2015/01/16 06:39:58 deraadt Exp $
3
4# Copyright (c) 2010-2013 Reyk Floeter <reyk@openbsd.org>
5#
6# Permission to use, copy, modify, and distribute this software for any
7# purpose with or without fee is hereby granted, provided that the above
8# copyright notice and this permission notice appear in all copies.
9#
10# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18TOK=$(echo ${2} | tr "[:lower:]" "[:upper:]")
19tok=$(echo ${2} | tr "[:upper:]" "[:lower:]")
20
21MAP=$(grep "struct iked_constmap" $1 |
22	sed -Ee "s/.*${tok}_([^_]+)_map.*/\1/g")
23
24# Print license/copyright notice and headers
25cat <<EOF
26/* Automatically generated from $1, do not edit */
27EOF
28sed -n '1,/^ \*\//p' $1
29cat <<EOF
30
31#include <sys/types.h>
32
33#include "types.h"
34#include "${tok}.h"
35
36EOF
37
38for i in $MAP; do
39	lower=$(echo $i | tr "[:upper:]" "[:lower:]")
40	upper=$(echo $i | tr "[:lower:]" "[:upper:]")
41
42	echo "struct iked_constmap ${tok}_${lower}_map[] = {"
43
44	X="${TOK}_${upper}"
45	grep "$X" $1 | grep -v '\\' | sed -Ee \
46	    "s/#define.*${X}_([^[:blank:]]+).*\/\* (.+) \*\/$\
47/	{ ${X}_\1, \"\1\", \"\2\" },/"
48
49	echo "	{ 0 }"
50	echo "};"
51done
52