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 #include <sgs.h> 28 29 /* 30 * classic Bernstein k=33 hash function 31 * 32 * This routine is to be used for internal hashing of strings. It's not 33 * to be confused with elf_hash() which is the required ELF hashing 34 * tool for ELF structures. 35 */ 36 uint_t 37 sgs_str_hash(const char *str) 38 { 39 uint_t hash = 5381; 40 int c; 41 42 while ((c = *str++) != 0) 43 hash = ((hash << 5) + hash) + c; /* hash * 33 + c */ 44 return (hash); 45 } 46