usr/src/tools/ctf/cvt/strtab.h

   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 (*)(const 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 */