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/* $OpenBSD: constants.c,v 1.9 2004/04/15 18:39:25 deraadt Exp $	 */
/* $EOM: constants.c,v 1.7 1999/04/02 00:57:31 niklas Exp $	 */

/*
 * Copyright (c) 1998, 1999 Niklas Hallqvist.  All rights reserved.
 *
 * 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.
 */

/*
 * This code was written under funding by Ericsson Radio Systems.
 */

#include <stdio.h>
#include <string.h>

#include "sysdep.h"

#include "constants.h"

int
constant_value(struct constant_map *map, char *name)
{
	struct constant_map *entry = map;

	for (entry = map; entry->name; entry++)
		if (strcasecmp(entry->name, name) == 0)
			return entry->value;
	return 0;
}

char *
constant_lookup(struct constant_map *map, int value)
{
	struct constant_map *entry = map;

	for (entry = map; entry->name; entry++)
		if (entry->value == value)
			return entry->name;
	return 0;
}

struct constant_map *
constant_link_lookup(struct constant_map *map, int value)
{
	struct constant_map *entry = map;

	for (entry = map; entry->name; entry++)
		if (entry->value == value)
			return entry->link;
	return 0;
}

char *
constant_name(struct constant_map *map, int value)
{
	static char     tmp[32];/* XXX Ugly, I know.  */
	char           *retval = constant_lookup(map, value);

	if (!retval) {
		snprintf(tmp, sizeof tmp, "<Unknown %d>", value);
		return tmp;
	}
	return retval;
}

char *
constant_name_maps(struct constant_map **maps, int value)
{
	static char     tmp[32];/* XXX Ugly, I know.  */
	char           *retval;
	struct constant_map **map;

	for (map = maps; *map; map++) {
		retval = constant_lookup(*map, value);
		if (retval)
			return retval;
	}
	snprintf(tmp, sizeof tmp, "<Unknown %d>", value);
	return tmp;
}