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) 1994, 2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _MED_HASH_H 28 #define _MED_HASH_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #ifndef NULL 37 #define NULL 0 38 #endif /* NULL */ 39 40 typedef struct item_t { 41 void *key; 42 int keyl; 43 void *data; 44 int datal; 45 } Item; 46 47 #define Null_Item ((Item *) NULL) 48 49 typedef struct bucket_t { 50 int nent; 51 int nalloc; 52 Item **itempp; 53 } Bucket; 54 55 typedef struct cache_t { 56 int hsz; 57 int bsz; 58 Bucket *bp; 59 int (*hfunc)(void *, int, int); 60 int (*cfunc)(void *, void *, int); 61 void (*kffunc)(void *); 62 void (*dffunc)(void *); 63 } Cache; 64 65 #ifdef _KERNEL 66 #define malloc bkmem_alloc 67 #endif /* _KERNEL */ 68 69 extern int init_cache(Cache **cp, int hsz, int bsz, 70 int (*hfunc)(void *, int, int), 71 int (*cfunc)(void *, void *, int), 72 void (*kffunc)(void *), void (*dffunc)(void *)); 73 extern int add_cache(Cache *cp, Item *itemp); 74 extern Item *lookup_cache(Cache *cp, void *datap, int datalen); 75 extern Item *first_item(Cache *cp, int *bidx, int *iidx); 76 extern Item *next_item(Cache *cp, int *bidx, int *iidx); 77 extern void des_cache(Cache **cpp); 78 extern int del_cache(Cache *cp, Item *itemp); 79 extern void cache_stat(Cache *cp, char *tag); 80 extern void pr_cache(Cache *cp, char *tag, 81 void (*pfunc)(void *, int, void *, int)); 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _MED_HASH_H */ 88