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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <inj_err.h> 30 #include <inj_list.h> 31 32 #include <assert.h> 33 #include <unistd.h> 34 35 void inj_list_append(inj_list_t * mlp,void * new)36inj_list_append(inj_list_t *mlp, void *new) 37 { 38 inj_list_t *p = mlp->ml_prev; /* p = tail list element */ 39 inj_list_t *q = new; /* q = new list element */ 40 41 mlp->ml_prev = q; 42 q->ml_prev = p; 43 q->ml_next = NULL; 44 45 if (p != NULL) { 46 assert(p->ml_next == NULL); 47 p->ml_next = q; 48 } else { 49 assert(mlp->ml_next == NULL); 50 mlp->ml_next = q; 51 } 52 } 53 54 void inj_list_prepend(inj_list_t * mlp,void * new)55inj_list_prepend(inj_list_t *mlp, void *new) 56 { 57 inj_list_t *p = new; /* p = new list element */ 58 inj_list_t *q = mlp->ml_next; /* q = head list element */ 59 60 mlp->ml_next = p; 61 p->ml_prev = NULL; 62 p->ml_next = q; 63 64 if (q != NULL) { 65 assert(q->ml_prev == NULL); 66 q->ml_prev = p; 67 } else { 68 assert(mlp->ml_prev == NULL); 69 mlp->ml_prev = p; 70 } 71 } 72