NetBSD/lib/libc/sys/makelintstub
1996-12-22 11:38:34 +00:00

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#!/bin/sh -
# $NetBSD: makelintstub,v 1.1 1996/12/22 11:38:34 cgd Exp $
#
# Copyright (c) 1996 Christopher G. Demetriou. 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 for the NetBSD Project
# by Christopher G. Demetriou.
# 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.
if [ $# -lt 1 ] || [ $# -gt 2 ]; then
echo "usage: $0 syscallname [funcname]"
exit 1
fi
syscallname="$1"
if [ $# -eq 1 ]; then
funcname="$syscallname"
else
funcname="$2"
fi
arglist="`printf '#include <sys/syscall.h>' | cpp -C | \
grep '^/\* syscall: "'"$syscallname"'" ' | \
sed -e 's,^/\* syscall: ,,;s, \*/$,,'`"
eval set -f -- "$arglist"
if [ $# -lt 4 ]; then
echo syscall $syscallname not found! 1>&2
exit 1
fi
syscallname=$1
shift 2 # kill name and "ret:"
returntype=$1
shift 2 # kill return type and "args:"
cat << __EOF__
#include <sys/param.h>
#include <sys/time.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <ufs/lfs/lfs.h>
#include <sys/resource.h>
#include <sys/poll.h>
#include <sys/uio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/timex.h>
#include <sys/socket.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
/*ARGSUSED*/
$returntype
__EOF__
if [ "`eval echo -n \\$$#`" = "..." ]; then
varargs=YES
nargs=$(($# - 1))
else
varargs=NO
nargs=$#
fi
nargswithva=$#
# do ANSI C function header
echo "#ifdef __STDC__"
echo -n "$funcname("
i=1
while [ $i -le $nargs ]; do
eval echo -n \""\$$i"\"
echo -n " arg$i"
if [ $i -lt $nargswithva ]; then
echo -n ", "
fi
i=$(($i + 1))
done
if [ $varargs = YES ]; then
echo -n "..."
fi
echo ")"
# do K&R C function header
echo "#else"
echo -n "$funcname("
i=1
while [ $i -le $nargs ]; do
echo -n "arg$i"
if [ $i -lt $nargswithva ]; then
echo -n ", "
fi
i=$(($i + 1))
done
if [ $varargs = YES ]; then
echo -n "va_alist"
fi
echo ")"
i=1
while [ $i -le $nargs ]; do
eval echo -n \"" \$$i"\"
echo " arg$i;"
i=$(($i + 1))
done
if [ $varargs = YES ]; then
echo " va_dcl"
fi
# do function body
echo "#endif"
echo "{"
if [ "$returntype" != "void" ]; then
echo " return (($returntype)0);"
fi
echo "}"
exit 0