17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*2b6e762cSahl * Common Development and Distribution License (the "License"). 6*2b6e762cSahl * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*2b6e762cSahl 227c478bd9Sstevel@tonic-gate /* 23*2b6e762cSahl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _DT_STRTAB_H 287c478bd9Sstevel@tonic-gate #define _DT_STRTAB_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #ifdef __cplusplus 337c478bd9Sstevel@tonic-gate extern "C" { 347c478bd9Sstevel@tonic-gate #endif 357c478bd9Sstevel@tonic-gate 367c478bd9Sstevel@tonic-gate typedef struct dt_strhash { 377c478bd9Sstevel@tonic-gate const char *str_data; /* pointer to actual string data */ 387c478bd9Sstevel@tonic-gate ulong_t str_buf; /* index of string data buffer */ 397c478bd9Sstevel@tonic-gate size_t str_off; /* offset in bytes of this string */ 407c478bd9Sstevel@tonic-gate size_t str_len; /* length in bytes of this string */ 417c478bd9Sstevel@tonic-gate struct dt_strhash *str_next; /* next string in hash chain */ 427c478bd9Sstevel@tonic-gate } dt_strhash_t; 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate typedef struct dt_strtab { 457c478bd9Sstevel@tonic-gate dt_strhash_t **str_hash; /* array of hash buckets */ 467c478bd9Sstevel@tonic-gate ulong_t str_hashsz; /* size of hash bucket array */ 477c478bd9Sstevel@tonic-gate char **str_bufs; /* array of buffer pointers */ 487c478bd9Sstevel@tonic-gate char *str_ptr; /* pointer to current buffer location */ 497c478bd9Sstevel@tonic-gate ulong_t str_nbufs; /* size of buffer pointer array */ 507c478bd9Sstevel@tonic-gate size_t str_bufsz; /* size of individual buffer */ 517c478bd9Sstevel@tonic-gate ulong_t str_nstrs; /* total number of strings in strtab */ 527c478bd9Sstevel@tonic-gate size_t str_size; /* total size of strings in bytes */ 537c478bd9Sstevel@tonic-gate } dt_strtab_t; 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate typedef ssize_t dt_strtab_write_f(const char *, size_t, size_t, void *); 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate extern dt_strtab_t *dt_strtab_create(size_t); 587c478bd9Sstevel@tonic-gate extern void dt_strtab_destroy(dt_strtab_t *); 59*2b6e762cSahl extern ssize_t dt_strtab_index(dt_strtab_t *, const char *); 607c478bd9Sstevel@tonic-gate extern ssize_t dt_strtab_insert(dt_strtab_t *, const char *); 617c478bd9Sstevel@tonic-gate extern size_t dt_strtab_size(const dt_strtab_t *); 627c478bd9Sstevel@tonic-gate extern ssize_t dt_strtab_write(const dt_strtab_t *, 637c478bd9Sstevel@tonic-gate dt_strtab_write_f *, void *); 647c478bd9Sstevel@tonic-gate extern ulong_t dt_strtab_hash(const char *, size_t *); 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #ifdef __cplusplus 677c478bd9Sstevel@tonic-gate } 687c478bd9Sstevel@tonic-gate #endif 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate #endif /* _DT_STRTAB_H */ 71