xref: /freebsd/cddl/contrib/opensolaris/tools/ctf/cvt/strtab.h (revision 4cc75139b96639698b4e96da3b60cd3d81e9a959)
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