mirror of
https://github.com/freebsd/freebsd-src
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90aea514c6
Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
130 lines
3.3 KiB
Bash
Executable file
130 lines
3.3 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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# 3. 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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temp=`mktemp -t ka`
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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") \
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print $0}' $srcdir/builtins.def | sed 's/-j//' > $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 if ($i == "-n") {
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# Handled later for builtins.h
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continue
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} else {
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printf "\t\"\\%03o\\%03o%s\"\n", length($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}' $temp
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# Build safe_builtin_always()
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cat <<EOF
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static inline int
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safe_builtin_always(int idx)
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{
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EOF
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awk '
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BEGIN { printed = 0 }
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{
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for (i = 2 ; i <= NF ; i++) {
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if ($i == "-s") {
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continue
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} else if ($i == "-n") {
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nofork = 1;
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} else {
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if (nofork == 0) {
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continue
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}
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if (printed == 1) {
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printf " || \n\t "
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} else {
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printf "\tif ("
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}
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printf "idx == " toupper($1)
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printed = 1
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nofork = 0;
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# Only need to check each once
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break
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}
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}
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}' $temp
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cat << EOF
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)
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return (1);
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return(0);
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}
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EOF
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rm -f $temp
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