1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 2001 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#ifndef	_STRTAB_H
28#define	_STRTAB_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include <sys/types.h>
33
34#ifdef	__cplusplus
35extern "C" {
36#endif
37
38typedef struct strhash {
39	const char *str_data;		/* pointer to actual string data */
40	ulong_t str_buf;		/* index of string data buffer */
41	size_t str_off;			/* offset in bytes of this string */
42	size_t str_len;			/* length in bytes of this string */
43	struct strhash *str_next;	/* next string in hash chain */
44} strhash_t;
45
46typedef struct strtab {
47	strhash_t **str_hash;		/* array of hash buckets */
48	ulong_t str_hashsz;		/* size of hash bucket array */
49	char **str_bufs;		/* array of buffer pointers */
50	char *str_ptr;			/* pointer to current buffer location */
51	ulong_t str_nbufs;		/* size of buffer pointer array */
52	size_t str_bufsz;		/* size of individual buffer */
53	ulong_t str_nstrs;		/* total number of strings in strtab */
54	size_t str_size;		/* total size of strings in bytes */
55} strtab_t;
56
57extern void strtab_create(strtab_t *);
58extern void strtab_destroy(strtab_t *);
59extern size_t strtab_insert(strtab_t *, const char *);
60extern size_t strtab_size(const strtab_t *);
61extern ssize_t strtab_write(const strtab_t *,
62    ssize_t (*)(void *, size_t, void *), void *);
63extern void strtab_print(const strtab_t *);
64
65#ifdef	__cplusplus
66}
67#endif
68
69#endif	/* _STRTAB_H */
70