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File: [cvs.NetBSD.org] / src / lib / libterminfo / genhash (download)

Revision 1.9, Wed Jan 11 20:53:52 2017 UTC (3 years, 6 months ago) by roy
Branch: MAIN
CVS Tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, matt-nb8-mediatek-base, matt-nb8-mediatek, is-mlppp-base, is-mlppp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, HEAD
Changes since 1.8: +3 -3 lines

Fix some off by one issues with arraycount ..thanks coypu.

#!/bin/sh
# $NetBSD: genhash,v 1.9 2017/01/11 20:53:52 roy Exp $

# Copyright (c) 2009, 2011 The NetBSD Foundation, Inc.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Roy Marples.
#
# 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.
#
# 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.


# Generate string and hash tables for our terminfo strings in term.h
# We don't expose the hash or tables directly, but instead via functions.
# This allows us to freely change how we hash or store our string tables
# in the future.

set -e
: ${TOOL_AWK:=awk}
: ${TOOL_NBPERF:=nbperf}
: ${TOOL_SED:=sed}

TERMH=${1:-term.h}

genent()
{
	local name=$1 NAME=$2 len=

	# Calculate the maximum word length plus terminator
	len=$($TOOL_SED -e "1,/enum TI${NAME}/d" -e '/};/,$d' \
            -e 's/.*TICODE_\([^,]*\).*/\1X/' $TERMH | \
	    $TOOL_AWK \
	    'BEGIN {L=0} {if (length($1)>L) L=length($1)} END {print L}')

	echo
	echo "static const char _ti_${name}ids[][${len}] = {"
	$TOOL_SED -e "1,/enum TI${NAME}/d" -e '/};/,$d' \
            -e 's/.*TICODE_\([^,]*\).*/	"\1",/' $TERMH
	echo "};"
	echo
	$TOOL_SED -e "1,/enum TI${NAME}/d" -e '/};/,$d' \
	    -e 's/.*TICODE_\([^,]*\).*/\1/' $TERMH | \
	    $TOOL_NBPERF -p -s -n _ti_${name}hash;

	cat <<EOF

const char *
_ti_${name}id(ssize_t idx)
{

	if ((size_t)idx >= __arraycount(_ti_${name}ids))
		return NULL;
	return _ti_${name}ids[idx];
}

ssize_t
_ti_${name}index(const char *key)
{
	uint32_t idx;

	idx = _ti_${name}hash((const unsigned char *)key, strlen(key));
	if (idx >= __arraycount(_ti_${name}ids) ||
	    strcmp(key, _ti_${name}ids[idx]) != 0)
		return -1;
	return idx;
}
EOF
}

cat <<EOF
/* DO NOT EDIT
 * Automatically generated from term.h */

#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <term_private.h>
#include <term.h>
EOF

genent flag FLAG
genent num NUM
genent str STR