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 #include <inj_err.h> 28 #include <inj_list.h> 29 30 #include <assert.h> 31 #include <unistd.h> 32 33 void inj_list_append(inj_list_t * mlp,void * new)34inj_list_append(inj_list_t *mlp, void *new) 35 { 36 inj_list_t *p = mlp->ml_prev; /* p = tail list element */ 37 inj_list_t *q = new; /* q = new list element */ 38 39 mlp->ml_prev = q; 40 q->ml_prev = p; 41 q->ml_next = NULL; 42 43 if (p != NULL) { 44 assert(p->ml_next == NULL); 45 p->ml_next = q; 46 } else { 47 assert(mlp->ml_next == NULL); 48 mlp->ml_next = q; 49 } 50 } 51 52 void inj_list_prepend(inj_list_t * mlp,void * new)53inj_list_prepend(inj_list_t *mlp, void *new) 54 { 55 inj_list_t *p = new; /* p = new list element */ 56 inj_list_t *q = mlp->ml_next; /* q = head list element */ 57 58 mlp->ml_next = p; 59 p->ml_prev = NULL; 60 p->ml_next = q; 61 62 if (q != NULL) { 63 assert(q->ml_prev == NULL); 64 q->ml_prev = p; 65 } else { 66 assert(mlp->ml_prev == NULL); 67 mlp->ml_prev = p; 68 } 69 } 70