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# $OpenBSD: genfields.sh,v 1.5 2001/01/26 12:12:51 niklas Exp $
# $EOM: genfields.sh,v 1.5 1999/04/02 01:15:55 niklas Exp $
#
# Copyright (c) 1998, 1999 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.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by Ericsson Radio Systems.
# 4. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# 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 \"sysdep.h\"\n"
print "#include \"field.h\"\n"
print "struct constant_map;\n"
}
/^#/ {
next
}
/^\./ {
printf ("#define %s_SZ %d\n", prefix, off)
size[prefix] = off
next
}
/^[^ ]/ {
prefix = $1
printf ("extern struct field %s_fld[];\n\n", locase(prefix));
if ($3)
{
off = size[$3]
}
else
{
off = 0
}
i = 0
next
}
/^[ ]/ && $1 {
printf ("#define %s_%s_OFF %d\n", prefix, $1, off)
if ($3)
{
printf ("#define %s_%s_LEN %d\n", prefix, $1, $3)
}
if ($4)
{
printf ("extern struct constant_map *%s_%s_maps[];\n", locase(prefix),
locase($1))
}
if ($2 == "raw")
{
printf ("#define GET_%s_%s(buf, val) ", prefix, $1)
printf ("field_get_raw (%s_fld + %d, buf, val)\n", locase(prefix), i)
printf ("#define SET_%s_%s(buf, val) ", prefix, $1)
printf ("field_set_raw (%s_fld + %d, buf, val)\n", locase(prefix), i)
}
else
{
printf ("#define GET_%s_%s(buf) field_get_num (%s_fld + %d, buf)\n",
prefix, $1, locase(prefix), i)
printf ("#define SET_%s_%s(buf, val) ", prefix, $1)
printf ("field_set_num (%s_fld + %d, buf, val)\n", locase(prefix), i)
}
off += $3
i++
next
}
{
print
}
END {
printf ("\n")
print "#endif /* _'$upcased_name'_H_ */"
}
' <$1.fld >$base.h
$awk "
$locase_function
"'
BEGIN {
print "/* DO NOT EDIT-- this file is automatically generated. */\n"
print "#include \"sysdep.h\"\n"
print "#include \"constants.h\""
print "#include \"field.h\""
print "#include \"'$base'.h\""
print "#include \"isakmp_num.h\""
print "#include \"ipsec_num.h\"\n"
}
/^#/ {
next
}
/^\./ {
print " { 0, 0, 0, 0, 0 }\n};\n"
size[prefix] = off
for (map in maps)
{
printf ("struct constant_map *%s_%s_maps[] = { ", locase(prefix),
locase(map))
printf ("%s,0 };\n", maps[map])
}
next
}
/^[^ ]/ {
prefix = $1
printf ("struct field %s_fld[] = {\n", locase(prefix))
if ($3)
{
off = size[$3]
}
else
{
off = 0
}
delete maps
next
}
/^[ ]/ && $1 {
if ($4)
{
maps_name = locase(prefix)"_"locase($1)"_maps"
maps[$1] = $4
}
else
{
maps_name = "0"
}
printf (" { \"%s\", %d, %d, %s, %s }, \n", $1, off, $3, $2, maps_name)
off += $3
next
}
{
print
}
' <$1.fld >$base.c
|
