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) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* 28 * fsck_pcfs -- inject.c 29 * Debugging routine that will insert random errors into the reads, 30 * so that you'll actually end up with some bad clusters. 31 */ 32 33 #include <stdio.h> 34 #include <errno.h> 35 #include <sys/types.h> 36 37 extern ssize_t _read(int fildes, void *buf, size_t nbyte); 38 39 ssize_t 40 read(int fildes, void *buf, size_t nbyte) 41 { 42 static int count = 0; 43 44 if ((count++ >= 263 && count <= 267) || 45 (count >= 381 && count <= 385) || 46 (count >= 1014 && count <= 1019) || 47 (count >= 1119 && count <= 1123) || 48 (count >= 1888 && count <= 1892)) { 49 errno = EIO; 50 return (-1); 51 } 52 return (_read(fildes, buf, nbyte)); 53 } 54