usr/src/lib/libpool/common/dict.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 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _DICT_H
  28 #define _DICT_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 typedef struct dict_hdl dict_hdl_t;
  37
  38 /*
  39  * Hash functions
  40  */
  41
  42 extern uint64_t         hash_buf(const void *, size_t);
  43 extern uint64_t         hash_str(const char *);
  44
  45 /*
  46  * Dictionary functions
  47  */
  48 extern void             dict_free(dict_hdl_t **);
  49 extern uint64_t         dict_length(dict_hdl_t *);
  50 extern dict_hdl_t       *dict_new(int (*)(const void *, const void *),
  51     uint64_t (*)(const void *));
  52
  53 /*
  54  * Dictionary entry functions
  55  */
  56
  57 extern void             *dict_get(dict_hdl_t *, const void *);
  58 extern void             *dict_put(dict_hdl_t *, const void *, void *);
  59 extern void             *dict_remove(dict_hdl_t *, const void *);
  60
  61 extern void             dict_map(dict_hdl_t *,
  62     void (*)(const void *, void **, void *), void *);
  63
  64 /*
  65  * Dictionary conversion
  66  */
  67
  68 #ifdef  __cplusplus
  69 }
  70 #endif
  71
  72 #endif  /* _DICT_H */