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94 lines
2.9 KiB
Bash
Executable File
94 lines
2.9 KiB
Bash
Executable File
#!/bin/sh -
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#-
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# Copyright (c) 1991, 1993
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# The Regents of the University of California. 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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# 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 8.2 (Berkeley) 5/4/95
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# $FreeBSD$
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temp=`/usr/bin/mktemp -t ka`
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havehist=1
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if [ "X$1" = "X-h" ]; then
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havehist=0
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shift
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fi
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srcdir=$1
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havejobs=0
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if grep '^#define[ ]*JOBS[ ]*1' $srcdir/shell.h > /dev/null
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then havejobs=1
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fi
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exec > builtins.c
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cat <<\!
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/*
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* This file was generated by the mkbuiltins program.
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*/
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#include <stdlib.h>
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#include "shell.h"
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#include "builtins.h"
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!
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awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
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print $0}' $srcdir/builtins.def | sed 's/-[hj]//' > $temp
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echo 'int (*const builtinfunc[])(int, char **) = {'
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awk '/^[^#]/ { printf "\t%s,\n", $1}' $temp
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echo '};
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const unsigned char builtincmd[] = {'
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awk '{ for (i = 2 ; i <= NF ; i++) {
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if ($i == "-s") {
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spc = 1;
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} else {
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printf "\t\"\\%03o\\%03o%s\"\n", length($i), (spc ? 128 : 0) + NR-1, $i
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spc = 0;
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}
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}}' $temp
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echo '};'
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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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tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ < $temp |
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awk '{ printf "#define %s %d\n", $1, NR-1}'
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echo '
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#define BUILTIN_SPECIAL 0x80
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extern int (*const builtinfunc[])(int, char **);
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extern const unsigned char builtincmd[];
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'
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awk '{ printf "int %s(int, char **);\n", $1}' $temp
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rm -f $temp
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