/* * Copyright (c) 2004 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <fcntl.h> #include <err.h> #include <unistd.h> #include "util.h" void doDestroy(const char *dev) { int bs; if (gVerbose) { fprintf(stderr, "Destroying device %s", dev); } if (!IsAppleLabel(dev)) { errx(4,"doDestroy: device %s is not an Apple Label device", dev); } bs = GetBlockSize(dev); if (bs != 0) { int fd; char bz[bs]; memset(bz, 0, bs); fd = open(dev, O_WRONLY); if (fd == -1) { err(1, "doDestroy: cannot open device %s for writing", dev); } if (write(fd, bz, bs) != bs) { err(2, "doDestroy: cannot write %d bytes onto device %s", bs, dev); } close(fd); } else { errx(3, "doDestroy: cannot get blocksize for device %s", dev); } }