src/sbin/isakmpd/genconstants.sh

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# $OpenBSD: genconstants.sh,v 1.13 2014/01/22 03:09:31 deraadt Exp $
# $EOM: genconstants.sh,v 1.6 1999/04/02 01:15:53 niklas Exp $
#
# Copyright (c) 1998, 1999, 2001 Niklas Hallqvist. All rights reserved.
#
# 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 AUTHOR ``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 AUTHOR 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.
#
#
# This code was written under funding by Ericsson Radio Systems.
#
base=`basename $1`
upcased_name=`echo $base |tr a-z A-Z`
awk=${AWK:-awk}
locase_function='function locase (str) {
cmd = "echo " str " |tr A-Z a-z"
cmd | getline retval;
close (cmd);
return retval;
}'
$awk "
$locase_function
"'
BEGIN {
print "/* DO NOT EDIT-- this file is automatically generated. */\n"
print "#ifndef _'$upcased_name'_H_"
print "#define _'$upcased_name'_H_\n"
print "#include \"constants.h\"\n"
}
/^[#.]/ {
next
}
/^[^ ]/ {
prefix = $1
printf ("extern struct constant_map %s_cst[];\n\n", locase(prefix));
next
}
/^[ ]/ && $1 {
printf ("#define %s_%s %s\n", prefix, $1, $2)
next
}
{
print
}
END {
printf ("\n")
print "#endif /* _'$upcased_name'_H_ */"
}
' <$1.cst >$base.h
$awk "
$locase_function
"'
BEGIN {
print "/* DO NOT EDIT-- this file is automatically generated. */\n"
print "#include \"constants.h\""
print "#include \"'$base'.h\"\n"
}
/^#/ {
next
}
/^\./ {
print " { 0, 0 }\n};\n"
next
}
/^[^ ]/ {
prefix = $1
printf ("struct constant_map %s_cst[] = {\n", locase(prefix))
next
}
/^[ ]/ && $1 {
printf (" { %s_%s, \"%s\", %s },\n", prefix, $1, $1,
($3 && substr($3,1,1) != "#") ? $3 : 0)
next
}
{
print
}
' <$1.cst >$base.c