124 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/sh -
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#
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# Copyright (c) 1991 The Regents of the University of California.
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# All rights reserved.
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#
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# This code is derived from software contributed to Berkeley by
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# Kenneth Almquist.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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#    notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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#    notice, this list of conditions and the following disclaimer in the
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#    documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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#    must display the following acknowledgement:
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#	This product includes software developed by the University of
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#	California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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#    may be used to endorse or promote products derived from this software
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#    without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#	@(#)mkbuiltins	5.2 (Berkeley) 3/8/91
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# All calls to awk removed, because Minix bawk is deficient.  (kjb)
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if [ $# != 2 ]
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then
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	echo "USAGE: $0 shell.h builtins"
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	exit 1
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fi
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SHL=$1
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BLTINS=$2
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temp=/tmp/ka$$
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exec > builtins.c
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cat <<\!
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/*
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 * This file was generated by the mkbuiltins program.
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 */
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#include "shell.h"
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#include "builtins.h"
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!
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if grep '^#define JOBS[	 ]*1' $SHL > /dev/null
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then
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	# Job control.
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	sed -e '/^#/d
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		s/	/ /g
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		s/ #.*//
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		/^ *$/d
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		s/-j//' $BLTINS > $temp
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else
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	# No job control.
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	sed -e '/^#/d
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		s/	/ /g
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		s/ #.*//
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		/^ *$/d
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		/-j/d' $BLTINS > $temp
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fi
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sed -e 's/ .*//
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	s/\(.*\)/int \1();/' $temp
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echo '
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int (*const builtinfunc[])() = {'
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sed -e 's/ .*//
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	s/\(.*\)/	\1,/' $temp
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echo '};
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const struct builtincmd builtincmd[] = {'
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i=0
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while read line
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do
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	set -$- $line
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	shift
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	for fun
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	do
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		echo "	\"$fun\", $i,"
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	done
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	i=`expr $i + 1`
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done < $temp
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echo '	NULL, 0
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};'
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exec > builtins.h
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cat <<\!
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/*
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 * This file was generated by the mkbuiltins program.
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 */
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#include <sys/cdefs.h>
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!
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i=0
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tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
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	while read line
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	do
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		set -$- $line
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		echo "#define $1 $i"
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		i=`expr $i + 1`
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	done
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echo '
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struct builtincmd {
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      char *name;
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      int code;
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};
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extern int (*const builtinfunc[])();
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extern const struct builtincmd builtincmd[];'
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rm -f $temp
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