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
35 extern "C" {
36 #endif
37 
38 typedef 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 
46 typedef 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 
57 extern void strtab_create(strtab_t *);
58 extern void strtab_destroy(strtab_t *);
59 extern size_t strtab_insert(strtab_t *, const char *);
60 extern size_t strtab_size(const strtab_t *);
61 extern ssize_t strtab_write(const strtab_t *,
62     ssize_t (*)(void *, size_t, void *), void *);
63 extern void strtab_print(const strtab_t *);
64 
65 #ifdef    __cplusplus
66 }
67 #endif
68 
69 #endif    /* _STRTAB_H */
70