/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 1990 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include extern int errno; int truncate(path, length) char *path; off_t length; { int fd, ret=0; if (strcmp(path, "/etc/mtab") == 0 || strcmp(path, "/etc/fstab") == 0) { errno = ENOENT; return(-1); } if ((fd = open(path, O_WRONLY)) == -1) { return(-1); } if (ftruncate(fd, length) == -1) { close(fd); return(-1); } close(fd); return(0); }