105 lines
3.0 KiB
Bash
Executable File
105 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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# $NetBSD: genhash,v 1.8 2011/11/02 12:09:25 roy Exp $
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# Copyright (c) 2009, 2011 The NetBSD Foundation, Inc.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Roy Marples.
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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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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Generate string and hash tables for our terminfo strings in term.h
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# We don't expose the hash or tables directly, but instead via functions.
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# This allows us to freely change how we hash or store our string tables
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# in the future.
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set -e
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: ${TOOL_AWK:=awk}
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: ${TOOL_NBPERF:=nbperf}
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: ${TOOL_SED:=sed}
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TERMH=${1:-term.h}
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genent()
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{
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local name=$1 NAME=$2 len=
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# Calculate the maximum word length plus terminator
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len=$($TOOL_SED -e "1,/enum TI${NAME}/d" -e '/};/,$d' \
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-e 's/.*TICODE_\([^,]*\).*/\1X/' $TERMH | \
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$TOOL_AWK \
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'BEGIN {L=0} {if (length($1)>L) L=length($1)} END {print L}')
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echo
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echo "static const char _ti_${name}ids[][${len}] = {"
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$TOOL_SED -e "1,/enum TI${NAME}/d" -e '/};/,$d' \
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-e 's/.*TICODE_\([^,]*\).*/ "\1",/' $TERMH
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echo "};"
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echo
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$TOOL_SED -e "1,/enum TI${NAME}/d" -e '/};/,$d' \
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-e 's/.*TICODE_\([^,]*\).*/\1/' $TERMH | \
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$TOOL_NBPERF -p -s -n _ti_${name}hash;
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cat <<EOF
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const char *
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_ti_${name}id(ssize_t idx)
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{
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if ((size_t)idx > __arraycount(_ti_${name}ids))
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return NULL;
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return _ti_${name}ids[idx];
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}
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ssize_t
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_ti_${name}index(const char *key)
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{
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uint32_t idx;
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idx = _ti_${name}hash((const unsigned char *)key, strlen(key));
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if (idx > __arraycount(_ti_${name}ids) ||
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strcmp(key, _ti_${name}ids[idx]) != 0)
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return -1;
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return idx;
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}
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EOF
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}
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cat <<EOF
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/* DO NOT EDIT
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* Automatically generated from term.h */
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <term_private.h>
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#include <term.h>
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EOF
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genent flag FLAG
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genent num NUM
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genent str STR
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