1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (c) 1998 Robert Nordier 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * All rights reserved. 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Redistribution and use in source and binary forms, with or without 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * modification, are permitted provided that the following conditions 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * are met: 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer. 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer in 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * the documentation and/or other materials provided with the 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * distribution. 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 2872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifndef lint 2972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic const char rcsid[] = 3072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "$FreeBSD: src/sbin/newfs_msdos/newfs_msdos.c,v 1.33 2009/04/11 14:56:29 ed Exp $"; 3172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif /* not lint */ 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/param.h> 3472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 3572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifndef ANDROID 3672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <sys/fdcio.h> 3772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <sys/disk.h> 3872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <sys/disklabel.h> 3972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <sys/mount.h> 4072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#else 4172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <stdarg.h> 4272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <linux/fs.h> 4372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat #include <linux/hdreg.h> 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 4572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/stat.h> 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/time.h> 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <ctype.h> 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <err.h> 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <errno.h> 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <fcntl.h> 5372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#include <inttypes.h> 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <paths.h> 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <time.h> 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <unistd.h> 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MAXU16 0xffff /* maximum unsigned 16-bit quantity */ 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define BPN 4 /* bits per nibble */ 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define NPB 2 /* nibbles per byte */ 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DOSMAGIC 0xaa55 /* DOS magic number */ 6672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define MINBPS 512 /* minimum bytes per sector */ 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MAXSPC 128 /* maximum sectors per cluster */ 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MAXNFT 16 /* maximum number of FATs */ 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DEFBLK 4096 /* default block size */ 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DEFBLK16 2048 /* default block size FAT16 */ 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define DEFRDE 512 /* default root directory entries */ 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define RESFTE 2 /* reserved FAT entries */ 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MINCLS12 1 /* minimum FAT12 clusters */ 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MINCLS16 0x1000 /* minimum FAT16 clusters */ 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MINCLS32 2 /* minimum FAT32 clusters */ 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MAXCLS12 0xfed /* maximum FAT12 clusters */ 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MAXCLS16 0xfff5 /* maximum FAT16 clusters */ 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define MAXCLS32 0xffffff5 /* maximum FAT32 clusters */ 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define mincls(fat) ((fat) == 12 ? MINCLS12 : \ 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (fat) == 16 ? MINCLS16 : \ 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project MINCLS32) 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define maxcls(fat) ((fat) == 12 ? MAXCLS12 : \ 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (fat) == 16 ? MAXCLS16 : \ 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project MAXCLS32) 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define mk1(p, x) \ 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p) = (u_int8_t)(x) 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define mk2(p, x) \ 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p)[0] = (u_int8_t)(x), \ 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p)[1] = (u_int8_t)((x) >> 010) 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define mk4(p, x) \ 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p)[0] = (u_int8_t)(x), \ 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p)[1] = (u_int8_t)((x) >> 010), \ 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p)[2] = (u_int8_t)((x) >> 020), \ 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (p)[3] = (u_int8_t)((x) >> 030) 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define argto1(arg, lo, msg) argtou(arg, lo, 0xff, msg) 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define argto2(arg, lo, msg) argtou(arg, lo, 0xffff, msg) 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define argto4(arg, lo, msg) argtou(arg, lo, 0xffffffff, msg) 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define argtox(arg, lo, msg) argtou(arg, lo, UINT_MAX, msg) 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct bs { 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t jmp[3]; /* bootstrap entry point */ 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t oem[8]; /* OEM name and version */ 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct bsbpb { 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t bps[2]; /* bytes per sector */ 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t spc; /* sectors per cluster */ 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t res[2]; /* reserved sectors */ 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t nft; /* number of FATs */ 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t rde[2]; /* root directory entries */ 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t sec[2]; /* total sectors */ 118dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t mid; /* media descriptor */ 119dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t spf[2]; /* sectors per FAT */ 120dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t spt[2]; /* sectors per track */ 121dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t hds[2]; /* drive heads */ 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t hid[4]; /* hidden sectors */ 123dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t bsec[4]; /* big total sectors */ 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct bsxbpb { 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t bspf[4]; /* big sectors per FAT */ 128dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t xflg[2]; /* FAT control flags */ 129dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t vers[2]; /* file system version */ 130dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t rdcl[4]; /* root directory start cluster */ 131dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t infs[2]; /* file system info sector */ 132dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t bkbs[2]; /* backup boot sector */ 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t rsvd[12]; /* reserved */ 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 135dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct bsx { 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t drv; /* drive number */ 138dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t rsvd; /* reserved */ 139dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t sig; /* extended boot signature */ 140dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t volid[4]; /* volume ID number */ 141dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t label[11]; /* volume label */ 142dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t type[8]; /* file system type */ 143dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 144dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 145dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct de { 146dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t namext[11]; /* name and extension */ 147dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t attr; /* attributes */ 148dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t rsvd[10]; /* reserved */ 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t time[2]; /* creation time */ 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t date[2]; /* creation date */ 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t clus[2]; /* starting cluster */ 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t size[4]; /* size */ 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 154dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct bpb { 156dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int bps; /* bytes per sector */ 157dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int spc; /* sectors per cluster */ 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int res; /* reserved sectors */ 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int nft; /* number of FATs */ 160dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int rde; /* root directory entries */ 161dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int sec; /* total sectors */ 162dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int mid; /* media descriptor */ 163dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int spf; /* sectors per FAT */ 164dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int spt; /* sectors per track */ 165dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int hds; /* drive heads */ 166dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int hid; /* hidden sectors */ 167dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int bsec; /* big total sectors */ 168dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int bspf; /* big sectors per FAT */ 169dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int rdcl; /* root directory start cluster */ 170dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int infs; /* file system info sector */ 171dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int bkbs; /* backup boot sector */ 172dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 173dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 17472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define BPBGAP 0, 0, 0, 0, 0, 0 17572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 17672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic struct { 17772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat const char *name; 17872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct bpb bpb; 17972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} const stdfmt[] = { 18072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"160", {512, 1, 1, 2, 64, 320, 0xfe, 1, 8, 1, BPBGAP}}, 18172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"180", {512, 1, 1, 2, 64, 360, 0xfc, 2, 9, 1, BPBGAP}}, 18272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"320", {512, 2, 1, 2, 112, 640, 0xff, 1, 8, 2, BPBGAP}}, 18372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"360", {512, 2, 1, 2, 112, 720, 0xfd, 2, 9, 2, BPBGAP}}, 18472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"640", {512, 2, 1, 2, 112, 1280, 0xfb, 2, 8, 2, BPBGAP}}, 18572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"720", {512, 2, 1, 2, 112, 1440, 0xf9, 3, 9, 2, BPBGAP}}, 18672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"1200", {512, 1, 1, 2, 224, 2400, 0xf9, 7, 15, 2, BPBGAP}}, 18772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"1232", {1024,1, 1, 2, 192, 1232, 0xfe, 2, 8, 2, BPBGAP}}, 18872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"1440", {512, 1, 1, 2, 224, 2880, 0xf0, 9, 18, 2, BPBGAP}}, 18972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat {"2880", {512, 2, 1, 2, 240, 5760, 0xf0, 9, 36, 2, BPBGAP}} 19072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat}; 19172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 19272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic const u_int8_t bootcode[] = { 193dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xfa, /* cli */ 194dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x31, 0xc0, /* xor ax,ax */ 195dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x8e, 0xd0, /* mov ss,ax */ 196dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xbc, 0x00, 0x7c, /* mov sp,7c00h */ 197dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xfb, /* sti */ 198dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x8e, 0xd8, /* mov ds,ax */ 199dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xe8, 0x00, 0x00, /* call $ + 3 */ 200dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x5e, /* pop si */ 201dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x83, 0xc6, 0x19, /* add si,+19h */ 202dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xbb, 0x07, 0x00, /* mov bx,0007h */ 203dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xfc, /* cld */ 204dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xac, /* lodsb */ 205dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x84, 0xc0, /* test al,al */ 206dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x74, 0x06, /* jz $ + 8 */ 207dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xb4, 0x0e, /* mov ah,0eh */ 208dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xcd, 0x10, /* int 10h */ 209dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xeb, 0xf5, /* jmp $ - 9 */ 210dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x30, 0xe4, /* xor ah,ah */ 211dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xcd, 0x16, /* int 16h */ 212dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0xcd, 0x19, /* int 19h */ 213dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x0d, 0x0a, 214dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 'N', 'o', 'n', '-', 's', 'y', 's', 't', 215dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 'e', 'm', ' ', 'd', 'i', 's', 'k', 216dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x0d, 0x0a, 217dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 'P', 'r', 'e', 's', 's', ' ', 'a', 'n', 218dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 'y', ' ', 'k', 'e', 'y', ' ', 't', 'o', 219dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ' ', 'r', 'e', 'b', 'o', 'o', 't', 220dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x0d, 0x0a, 221dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0 222dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 223dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 22472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void check_mounted(const char *, mode_t); 22572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void getstdfmt(const char *, struct bpb *); 22672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void getdiskinfo(int, const char *, const char *, int, 22772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct bpb *); 228dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void print_bpb(struct bpb *); 229dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic u_int ckgeom(const char *, u_int, const char *); 230dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic u_int argtou(const char *, u_int, u_int, const char *); 23172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic off_t argtooff(const char *, const char *); 232dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int oklabel(const char *); 233dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void mklabel(u_int8_t *, const char *); 234dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void setstr(u_int8_t *, const char *, size_t); 23572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void usage(void); 23672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 23772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifdef ANDROID 23872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define powerof2(x) ((((x) - 1) & (x)) == 0) 23972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define howmany(x, y) (((x) + ((y) - 1)) / (y)) 24072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define MAX(x,y) ((x) > (y) ? (x) : (y)) 24172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define MIN(a, b) ((a) < (b) ? (a) : (b)) 242dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 24372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif 244dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 245dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Construct a FAT12, FAT16, or FAT32 file system. 246dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 247dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint 24872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatnewfs_msdos_main(int argc, char *argv[]) 249dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 25072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat static const char opts[] = "@:NB:C:F:I:L:O:S:a:b:c:e:f:h:i:k:m:n:o:r:s:u:"; 25172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat const char *opt_B = NULL, *opt_L = NULL, *opt_O = NULL, *opt_f = NULL; 25272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int opt_F = 0, opt_I = 0, opt_S = 0, opt_a = 0, opt_b = 0, opt_c = 0; 25372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int opt_e = 0, opt_h = 0, opt_i = 0, opt_k = 0, opt_m = 0, opt_n = 0; 25472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int opt_o = 0, opt_r = 0, opt_s = 0, opt_u = 0; 25572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat int opt_N = 0; 25672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat int Iflag = 0, mflag = 0, oflag = 0; 257dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char buf[MAXPATHLEN]; 258dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct stat sb; 259dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct timeval tv; 260dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bpb bpb; 261dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct tm *tm; 262dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bs *bs; 263dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bsbpb *bsbpb; 264dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bsxbpb *bsxbpb; 265dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bsx *bsx; 266dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct de *de; 267dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t *img; 268dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const char *fname, *dtype, *bname; 269dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ssize_t n; 270dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project time_t now; 271dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int fat, bss, rds, cls, dir, lsn, x, x1, x2; 272dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int ch, fd, fd1; 27372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t opt_create = 0, opt_ofs = 0; 274dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 275dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while ((ch = getopt(argc, argv, opts)) != -1) 276dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project switch (ch) { 27772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case '@': 27872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat opt_ofs = argtooff(optarg, "offset"); 27972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 280dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'N': 281dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_N = 1; 282dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 283dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'B': 284dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_B = optarg; 285dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 28672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'C': 28772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat opt_create = argtooff(optarg, "create size"); 28872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 289dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'F': 290dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (strcmp(optarg, "12") && 291dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcmp(optarg, "16") && 292dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcmp(optarg, "32")) 29372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad FAT type", optarg); 294dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_F = atoi(optarg); 295dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 296dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'I': 297dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_I = argto4(optarg, 0, "volume ID"); 298dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project Iflag = 1; 299dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 300dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'L': 301dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!oklabel(optarg)) 30272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad volume label", optarg); 303dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_L = optarg; 304dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 305dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'O': 306dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (strlen(optarg) > 8) 30772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad OEM string", optarg); 308dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_O = optarg; 309dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 310dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'S': 311dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_S = argto2(optarg, 1, "bytes/sector"); 312dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 313dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'a': 314dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_a = argto4(optarg, 1, "sectors/FAT"); 315dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 316dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'b': 317dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b = argtox(optarg, 1, "block size"); 318dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_c = 0; 319dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 320dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'c': 321dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_c = argto1(optarg, 1, "sectors/cluster"); 322dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b = 0; 323dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 324dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'e': 325dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_e = argto2(optarg, 1, "directory entries"); 326dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 32772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'f': 32872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat opt_f = optarg; 32972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 330dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'h': 331dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_h = argto2(optarg, 1, "drive heads"); 332dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 333dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'i': 334dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_i = argto2(optarg, 1, "info sector"); 335dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 336dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'k': 337dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_k = argto2(optarg, 1, "backup sector"); 338dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 339dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'm': 340dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_m = argto1(optarg, 0, "media descriptor"); 341dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mflag = 1; 342dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 343dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'n': 344dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_n = argto1(optarg, 1, "number of FATs"); 345dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 346dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'o': 347dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_o = argto4(optarg, 0, "hidden sectors"); 348dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project oflag = 1; 349dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 350dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'r': 351dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_r = argto2(optarg, 1, "reserved sectors"); 352dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 353dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 's': 354dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_s = argto4(optarg, 1, "file system size"); 355dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 356dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'u': 357dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_u = argto2(optarg, 1, "sectors/track"); 358dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 359dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project default: 36072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat usage(); 361dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 362dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argc -= optind; 363dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argv += optind; 364dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (argc < 1 || argc > 2) 36572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat usage(); 366dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fname = *argv++; 36772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!opt_create && !strchr(fname, '/')) { 36872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat snprintf(buf, sizeof(buf), "%s%s", _PATH_DEV, fname); 369dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(fname = strdup(buf))) 37072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, NULL); 371dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 372dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dtype = *argv; 37372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_create) { 37472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_N) 37572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "create (-C) is incompatible with -N"); 37672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fd = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0644); 37772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (fd == -1) 37872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "failed to create %s", fname); 37972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ftruncate(fd, opt_create)) 38072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "failed to initialize %jd bytes", (intmax_t)opt_create); 38172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } else if ((fd = open(fname, opt_N ? O_RDONLY : O_RDWR)) == -1) 38272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", fname); 38372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (fstat(fd, &sb)) 38472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", fname); 38572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_create) { 38672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!S_ISREG(sb.st_mode)) 38772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning, %s is not a regular file", fname); 38872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } else { 38972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!S_ISCHR(sb.st_mode)) 39072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning, %s is not a character device", fname); 39172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 39272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!opt_N) 39372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat check_mounted(fname, sb.st_mode); 39472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_ofs && opt_ofs != lseek(fd, opt_ofs, SEEK_SET)) 39572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "cannot seek to %jd", (intmax_t)opt_ofs); 396dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&bpb, 0, sizeof(bpb)); 39772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_f) { 39872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat getstdfmt(opt_f, &bpb); 39972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bsec = bpb.sec; 40072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.sec = 0; 40172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bspf = bpb.spf; 40272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spf = 0; 40372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 404dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_h) 405dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.hds = opt_h; 406dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_u) 407dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spt = opt_u; 408dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_S) 409dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps = opt_S; 410dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_s) 411dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec = opt_s; 412dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (oflag) 413dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.hid = opt_o; 41472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!(opt_f || (opt_h && opt_u && opt_S && opt_s && oflag))) { 41572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t delta; 41672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat getdiskinfo(fd, fname, dtype, oflag, &bpb); 417661aff600c5cb8e72aa2892a2a75ea6015bf1457San Mehat if (opt_s) { 418661aff600c5cb8e72aa2892a2a75ea6015bf1457San Mehat bpb.bsec = opt_s; 419661aff600c5cb8e72aa2892a2a75ea6015bf1457San Mehat } 42072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bsec -= (opt_ofs / bpb.bps); 42172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat delta = bpb.bsec % bpb.spt; 42272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (delta != 0) { 423661aff600c5cb8e72aa2892a2a75ea6015bf1457San Mehat warnx("trim %d sectors from %d to adjust to a multiple of %d", 424661aff600c5cb8e72aa2892a2a75ea6015bf1457San Mehat (int)delta, bpb.bsec, bpb.spt); 42572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bsec -= delta; 42672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 42772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb.spc == 0) { /* set defaults */ 42872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb.bsec <= 6000) /* about 3MB -> 512 bytes */ 42972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 1; 43072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (bpb.bsec <= (1<<17)) /* 64M -> 4k */ 43172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 8; 43272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (bpb.bsec <= (1<<19)) /* 256M -> 8k */ 43372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 16; 43472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (bpb.bsec <= (1<<21)) /* 1G -> 16k */ 43572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 32; 43672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else 43772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 64; /* otherwise 32k */ 438dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 439dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 440dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!powerof2(bpb.bps)) 44172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "bytes/sector (%u) is not a power of 2", bpb.bps); 442dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bps < MINBPS) 44372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "bytes/sector (%u) is too small; minimum is %u", 444dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps, MINBPS); 445dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(fat = opt_F)) { 44672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_f) 44772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fat = 12; 44872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (!opt_e && (opt_i || opt_k)) 449dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 32; 450dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 451dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((fat == 32 && opt_e) || (fat != 32 && (opt_i || opt_k))) 45272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "-%c is not a legal FAT%s option", 453dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat == 32 ? 'e' : opt_i ? 'i' : 'k', 454dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat == 32 ? "32" : "12/16"); 45572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_f && fat == 32) 456dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rde = 0; 457dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_b) { 458dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!powerof2(opt_b)) 45972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "block size (%u) is not a power of 2", opt_b); 460dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_b < bpb.bps) 46172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "block size (%u) is too small; minimum is %u", 462dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b, bpb.bps); 463dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_b > bpb.bps * MAXSPC) 46472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "block size (%u) is too large; maximum is %u", 465dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b, bpb.bps * MAXSPC); 466dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc = opt_b / bpb.bps; 467dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 468dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_c) { 469dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!powerof2(opt_c)) 47072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "sectors/cluster (%u) is not a power of 2", opt_c); 471dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc = opt_c; 472dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 473dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_r) 474dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.res = opt_r; 475dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_n) { 476dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_n > MAXNFT) 47772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "number of FATs (%u) is too large; maximum is %u", 478dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_n, MAXNFT); 479dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.nft = opt_n; 480dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 481dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_e) 482dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rde = opt_e; 483dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (mflag) { 484dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_m < 0xf0) 48572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "illegal media descriptor (%#x)", opt_m); 486dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.mid = opt_m; 487dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 488dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_a) 489dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bspf = opt_a; 490dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_i) 491dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.infs = opt_i; 492dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_k) 493dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bkbs = opt_k; 494dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bss = 1; 495dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bname = NULL; 496dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd1 = -1; 497dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_B) { 498dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bname = opt_B; 499dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!strchr(bname, '/')) { 500dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project snprintf(buf, sizeof(buf), "/boot/%s", bname); 501dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(bname = strdup(buf))) 50272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, NULL); 503dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 504dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((fd1 = open(bname, O_RDONLY)) == -1 || fstat(fd1, &sb)) 50572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", bname); 506dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!S_ISREG(sb.st_mode) || sb.st_size % bpb.bps || 507dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sb.st_size < bpb.bps || sb.st_size > bpb.bps * MAXU16) 50872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: inappropriate file type or format", bname); 509dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bss = sb.st_size / bpb.bps; 510dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 511dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.nft) 512dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.nft = 2; 513dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!fat) { 514dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bsec < (bpb.res ? bpb.res : bss) + 515dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany((RESFTE + (bpb.spc ? MINCLS16 : MAXCLS12 + 1)) * 516dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((bpb.spc ? 16 : 12) / BPN), bpb.bps * NPB) * 517dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.nft + 518dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany(bpb.rde ? bpb.rde : DEFRDE, 51972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bps / sizeof(struct de)) + 520dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc ? MINCLS16 : MAXCLS12 + 1) * 521dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc ? bpb.spc : howmany(DEFBLK, bpb.bps))) 522dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 12; 523dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else if (bpb.rde || bpb.bsec < 524dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.res ? bpb.res : bss) + 525dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany((RESFTE + MAXCLS16) * 2, bpb.bps) * bpb.nft + 52672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat howmany(DEFRDE, bpb.bps / sizeof(struct de)) + 527dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (MAXCLS16 + 1) * 528dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc ? bpb.spc : howmany(8192, bpb.bps))) 529dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 16; 530dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else 531dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 32; 532dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 533dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bss; 534dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat == 32) { 535dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.infs) { 536dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (x == MAXU16 || x == bpb.bkbs) 53772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "no room for info sector"); 538dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.infs = x; 539dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 540dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.infs != MAXU16 && x <= bpb.infs) 541dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bpb.infs + 1; 542dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.bkbs) { 543dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (x == MAXU16) 54472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "no room for backup sector"); 545dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bkbs = x; 546dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (bpb.bkbs != MAXU16 && bpb.bkbs == bpb.infs) 54772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "backup sector would overwrite info sector"); 548dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bkbs != MAXU16 && x <= bpb.bkbs) 549dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bpb.bkbs + 1; 550dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 551dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.res) 552dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.res = fat == 32 ? MAX(x, MAX(16384 / bpb.bps, 4)) : x; 553dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else if (bpb.res < x) 55472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "too few reserved sectors"); 555dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat != 32 && !bpb.rde) 556dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rde = DEFRDE; 55772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat rds = howmany(bpb.rde, bpb.bps / sizeof(struct de)); 558dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.spc) 559dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (bpb.spc = howmany(fat == 16 ? DEFBLK16 : DEFBLK, bpb.bps); 560dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc < MAXSPC && 561dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.res + 562dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany((RESFTE + maxcls(fat)) * (fat / BPN), 563dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps * NPB) * bpb.nft + 564dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project rds + 565dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int64_t)(maxcls(fat) + 1) * bpb.spc <= bpb.bsec; 566dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc <<= 1); 567dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat != 32 && bpb.bspf > MAXU16) 56872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "too many sectors/FAT for FAT12/16"); 569dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x1 = bpb.res + rds; 570dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bpb.bspf ? bpb.bspf : 1; 571dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (x1 + (u_int64_t)x * bpb.nft > bpb.bsec) 57272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "meta data exceeds file system size"); 573dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x1 += x * bpb.nft; 574dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int64_t)(bpb.bsec - x1) * bpb.bps * NPB / 575dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc * bpb.bps * NPB + fat / BPN * bpb.nft); 576dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x2 = howmany((RESFTE + MIN(x, maxcls(fat))) * (fat / BPN), 577dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps * NPB); 578dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.bspf) { 579dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bspf = x2; 580dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x1 += (bpb.bspf - 1) * bpb.nft; 581dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 582dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls = (bpb.bsec - x1) / bpb.spc; 583dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int64_t)bpb.bspf * bpb.bps * NPB / (fat / BPN) - RESFTE; 584dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (cls > x) 585dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls = x; 586dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bspf < x2) 58772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning: sectors/FAT limits file system to %u clusters", 588dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls); 589dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (cls < mincls(fat)) 59072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%u clusters too few clusters for FAT%u, need %u", cls, fat, 591dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mincls(fat)); 592dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (cls > maxcls(fat)) { 593dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls = maxcls(fat); 594dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec = x1 + (cls + 1) * bpb.spc - 1; 59572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning: FAT type limits file system to %u sectors", 596dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec); 597dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 598dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("%s: %u sector%s in %u FAT%u cluster%s " 599dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project "(%u bytes/cluster)\n", fname, cls * bpb.spc, 600dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls * bpb.spc == 1 ? "" : "s", cls, fat, 601dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls == 1 ? "" : "s", bpb.bps * bpb.spc); 602dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.mid) 603dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.mid = !bpb.hid ? 0xf0 : 0xf8; 604dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat == 32) 605dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rdcl = RESFTE; 606dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.hid + bpb.bsec <= MAXU16) { 607dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.sec = bpb.bsec; 608dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec = 0; 609dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 610dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat != 32) { 611dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spf = bpb.bspf; 612dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bspf = 0; 613dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 614dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project print_bpb(&bpb); 615dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!opt_N) { 616dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project gettimeofday(&tv, NULL); 617dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project now = tv.tv_sec; 618dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project tm = localtime(&now); 619dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(img = malloc(bpb.bps))) 62072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, NULL); 621dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dir = bpb.res + (bpb.spf ? bpb.spf : bpb.bspf) * bpb.nft; 622dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (lsn = 0; lsn < dir + (fat == 32 ? bpb.spc : rds); lsn++) { 623dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = lsn; 624dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_B && 625dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat == 32 && bpb.bkbs != MAXU16 && 626dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bss <= bpb.bkbs && x >= bpb.bkbs) { 627dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x -= bpb.bkbs; 62872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!x && lseek(fd1, opt_ofs, SEEK_SET)) 62972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", bname); 630dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 631dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_B && x < bss) { 632dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((n = read(fd1, img, bpb.bps)) == -1) 63372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", bname); 63472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if ((unsigned)n != bpb.bps) 63572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: can't read sector %u", bname, x); 636dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else 637dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(img, 0, bpb.bps); 638dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!lsn || 639dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (fat == 32 && bpb.bkbs != MAXU16 && lsn == bpb.bkbs)) { 64072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 = sizeof(struct bs); 641dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bsbpb = (struct bsbpb *)(img + x1); 642dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->bps, bpb.bps); 643dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsbpb->spc, bpb.spc); 644dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->res, bpb.res); 645dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsbpb->nft, bpb.nft); 646dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->rde, bpb.rde); 647dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->sec, bpb.sec); 648dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsbpb->mid, bpb.mid); 649dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->spf, bpb.spf); 650dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->spt, bpb.spt); 651dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->hds, bpb.hds); 652dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsbpb->hid, bpb.hid); 653dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsbpb->bsec, bpb.bsec); 65472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 += sizeof(struct bsbpb); 655dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat == 32) { 656dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bsxbpb = (struct bsxbpb *)(img + x1); 657dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsxbpb->bspf, bpb.bspf); 658dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->xflg, 0); 659dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->vers, 0); 660dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsxbpb->rdcl, bpb.rdcl); 661dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->infs, bpb.infs); 662dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->bkbs, bpb.bkbs); 66372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 += sizeof(struct bsxbpb); 664dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 665dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bsx = (struct bsx *)(img + x1); 666dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsx->sig, 0x29); 667dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (Iflag) 668dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = opt_I; 669dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else 670dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (((u_int)(1 + tm->tm_mon) << 8 | 671dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_mday) + 672dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((u_int)tm->tm_sec << 8 | 673dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)(tv.tv_usec / 10))) << 16 | 674dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((u_int)(1900 + tm->tm_year) + 675dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((u_int)tm->tm_hour << 8 | 676dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_min)); 677dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsx->volid, x); 67872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mklabel(bsx->label, opt_L ? opt_L : "NO NAME"); 67972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat sprintf(buf, "FAT%u", fat); 680dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project setstr(bsx->type, buf, sizeof(bsx->type)); 681dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!opt_B) { 68272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 += sizeof(struct bsx); 683dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bs = (struct bs *)img; 684dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bs->jmp[0], 0xeb); 685dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bs->jmp[1], x1 - 2); 686dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bs->jmp[2], 0x90); 68772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat setstr(bs->oem, opt_O ? opt_O : "BSD 4.4", 688dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sizeof(bs->oem)); 689dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(img + x1, bootcode, sizeof(bootcode)); 69072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk2(img + MINBPS - 2, DOSMAGIC); 691dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 692dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (fat == 32 && bpb.infs != MAXU16 && 693dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (lsn == bpb.infs || 694dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.bkbs != MAXU16 && 695dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project lsn == bpb.bkbs + bpb.infs))) { 696dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(img, 0x41615252); 69772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk4(img + MINBPS - 28, 0x61417272); 69872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk4(img + MINBPS - 24, 0xffffffff); 69972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk4(img + MINBPS - 20, bpb.rdcl); 70072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk2(img + MINBPS - 2, DOSMAGIC); 701dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (lsn >= bpb.res && lsn < dir && 702dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project !((lsn - bpb.res) % 703dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spf ? bpb.spf : bpb.bspf))) { 704dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(img[0], bpb.mid); 705dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (x = 1; x < fat * (fat == 32 ? 3 : 2) / 8; x++) 706dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(img[x], fat == 32 && x % 4 == 3 ? 0x0f : 0xff); 707dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (lsn == dir && opt_L) { 708dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project de = (struct de *)img; 709dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mklabel(de->namext, opt_L); 710dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(de->attr, 050); 711dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int)tm->tm_hour << 11 | 712dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_min << 5 | 713dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_sec >> 1; 714dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(de->time, x); 715dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int)(tm->tm_year - 80) << 9 | 716dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)(tm->tm_mon + 1) << 5 | 717dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_mday; 718dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(de->date, x); 719dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 720dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((n = write(fd, img, bpb.bps)) == -1) 72172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", fname); 722eab453c612d6d422f863c31da67f00bc4beec914San Mehat if ((unsigned)n != bpb.bps) { 72372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: can't write sector %u", fname, lsn); 724eab453c612d6d422f863c31da67f00bc4beec914San Mehat exit(1); 725eab453c612d6d422f863c31da67f00bc4beec914San Mehat } 726dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 727dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 728dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 729dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 730dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 731dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 73272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Exit with error if file system is mounted. 73372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 73472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 73572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatcheck_mounted(const char *fname, mode_t mode) 73672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 73772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct statfs *mp; 73872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat const char *s1, *s2; 73972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat size_t len; 74072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat int n, r; 74172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 74272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifdef ANDROID 74372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("Skipping mount checks"); 74472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#else 74572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!(n = getmntinfo(&mp, MNT_NOWAIT))) 74672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "getmntinfo"); 74772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat len = strlen(_PATH_DEV); 74872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s1 = fname; 74972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!strncmp(s1, _PATH_DEV, len)) 75072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s1 += len; 75172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat r = S_ISCHR(mode) && s1 != fname && *s1 == 'r'; 75272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat for (; n--; mp++) { 75372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s2 = mp->f_mntfromname; 75472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!strncmp(s2, _PATH_DEV, len)) 75572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s2 += len; 75672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if ((r && s2 != mp->f_mntfromname && !strcmp(s1 + 1, s2)) || 75772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat !strcmp(s1, s2)) 75872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s is mounted on %s", fname, mp->f_mntonname); 75972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 76072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif 76172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 76272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 76372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 76472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Get a standard format. 76572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 76672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 76772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatgetstdfmt(const char *fmt, struct bpb *bpb) 76872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 76972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int x, i; 77072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 77172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x = sizeof(stdfmt) / sizeof(stdfmt[0]); 77272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat for (i = 0; i < x && strcmp(fmt, stdfmt[i].name); i++); 77372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (i == x) 77472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: unknown standard format", fmt); 77572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat *bpb = stdfmt[i].bpb; 77672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 77772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 77872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 77972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Get disk slice, partition, and geometry information. 78072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 78172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 78272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifdef ANDROID 78372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 78472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatgetdiskinfo(int fd, const char *fname, const char *dtype, __unused int oflag, 78572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct bpb *bpb) 78672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 78772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct hd_geometry geom; 78872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 78972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, BLKSSZGET, &bpb->bps)) { 790ff3bcd03079d9e0e94f70955370f3eb940d6244aSan Mehat fprintf(stderr, "Error getting bytes / sector (%s)\n", strerror(errno)); 79172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 79272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 79372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 79472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ckgeom(fname, bpb->bps, "bytes/sector"); 79572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 79672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, BLKGETSIZE, &bpb->bsec)) { 797ff3bcd03079d9e0e94f70955370f3eb940d6244aSan Mehat fprintf(stderr, "Error getting blocksize (%s)\n", strerror(errno)); 79872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 79972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 80072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 80172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, HDIO_GETGEO, &geom)) { 802ff3bcd03079d9e0e94f70955370f3eb940d6244aSan Mehat fprintf(stderr, "Error getting gemoetry (%s) - trying sane values\n", strerror(errno)); 803ff3bcd03079d9e0e94f70955370f3eb940d6244aSan Mehat geom.heads = 64; 804ff3bcd03079d9e0e94f70955370f3eb940d6244aSan Mehat geom.sectors = 63; 80572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 80672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 807eab453c612d6d422f863c31da67f00bc4beec914San Mehat if (!geom.heads) { 808eab453c612d6d422f863c31da67f00bc4beec914San Mehat printf("Bogus heads from kernel - setting sane value\n"); 809eab453c612d6d422f863c31da67f00bc4beec914San Mehat geom.heads = 64; 810eab453c612d6d422f863c31da67f00bc4beec914San Mehat } 811eab453c612d6d422f863c31da67f00bc4beec914San Mehat 812eab453c612d6d422f863c31da67f00bc4beec914San Mehat if (!geom.sectors) { 813eab453c612d6d422f863c31da67f00bc4beec914San Mehat printf("Bogus sectors from kernel - setting sane value\n"); 814eab453c612d6d422f863c31da67f00bc4beec914San Mehat geom.sectors = 63; 815eab453c612d6d422f863c31da67f00bc4beec914San Mehat } 816eab453c612d6d422f863c31da67f00bc4beec914San Mehat 81772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->spt = geom.sectors; 81872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ckgeom(fname, bpb->spt, "sectors/track"); 81972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 82072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->hds = geom.heads; 82172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ckgeom(fname, bpb->hds, "drive heads"); 82272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 82372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 82472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#else 82572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 82672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 82772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatgetdiskinfo(int fd, const char *fname, const char *dtype, __unused int oflag, 82872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct bpb *bpb) 82972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 83072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct disklabel *lp, dlp; 83172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct fd_type type; 83272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t ms, hs = 0; 83372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 83472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = NULL; 83572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 83672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* If the user specified a disk type, try to use that */ 83772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (dtype != NULL) { 83872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = getdiskbyname(dtype); 83972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 84072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 84172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* Maybe it's a floppy drive */ 84272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (lp == NULL) { 84372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, DIOCGMEDIASIZE, &ms) == -1) { 84472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct stat st; 84572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 84672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (fstat(fd, &st)) 84772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "Cannot get disk size"); 84872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* create a fake geometry for a file image */ 84972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ms = st.st_size; 85072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secsize = 512; 85172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_nsectors = 63; 85272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 255; 85372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secperunit = ms / dlp.d_secsize; 85472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = &dlp; 85572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } else if (ioctl(fd, FD_GTYPE, &type) != -1) { 85672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secsize = 128 << type.secsize; 85772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_nsectors = type.sectrac; 85872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = type.heads; 85972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secperunit = ms / dlp.d_secsize; 86072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = &dlp; 86172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 86272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 86372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 86472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* Maybe it's a fixed drive */ 86572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (lp == NULL) { 86672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, DIOCGDINFO, &dlp) == -1) { 86772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->bps == 0 && ioctl(fd, DIOCGSECTORSIZE, &dlp.d_secsize) == -1) 86872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "Cannot get sector size, %s", strerror(errno)); 86972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 87072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* XXX Should we use bpb->bps if it's set? */ 87172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secperunit = ms / dlp.d_secsize; 87272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 87372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->spt == 0 && ioctl(fd, DIOCGFWSECTORS, &dlp.d_nsectors) == -1) { 87472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("Cannot get number of sectors per track, %s", strerror(errno)); 87572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_nsectors = 63; 87672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 87772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->hds == 0 && ioctl(fd, DIOCGFWHEADS, &dlp.d_ntracks) == -1) { 87872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("Cannot get number of heads, %s", strerror(errno)); 87972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (dlp.d_secperunit <= 63*1*1024) 88072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 1; 88172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (dlp.d_secperunit <= 63*16*1024) 88272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 16; 88372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else 88472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 255; 88572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 88672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 88772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 88872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat hs = (ms / dlp.d_secsize) - dlp.d_secperunit; 88972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = &dlp; 89072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 89172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 89272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->bps == 0) 89372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->bps = ckgeom(fname, lp->d_secsize, "bytes/sector"); 89472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->spt == 0) 89572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->spt = ckgeom(fname, lp->d_nsectors, "sectors/track"); 89672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->hds == 0) 89772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->hds = ckgeom(fname, lp->d_ntracks, "drive heads"); 89872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->bsec == 0) 89972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->bsec = lp->d_secperunit; 90072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->hid == 0) 90172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->hid = hs; 90272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 90372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif 90472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 90572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 906dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Print out BPB values. 907dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 908dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 909dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectprint_bpb(struct bpb *bpb) 910dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 911dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("bps=%u spc=%u res=%u nft=%u", bpb->bps, bpb->spc, bpb->res, 912dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb->nft); 913dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->rde) 914dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" rde=%u", bpb->rde); 915dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->sec) 916dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" sec=%u", bpb->sec); 917dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" mid=%#x", bpb->mid); 918dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->spf) 919dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" spf=%u", bpb->spf); 920dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" spt=%u hds=%u hid=%u", bpb->spt, bpb->hds, bpb->hid); 921dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->bsec) 922dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" bsec=%u", bpb->bsec); 923dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb->spf) { 924dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" bspf=%u rdcl=%u", bpb->bspf, bpb->rdcl); 925dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" infs="); 926dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(bpb->infs == MAXU16 ? "%#x" : "%u", bpb->infs); 927dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" bkbs="); 928dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(bpb->bkbs == MAXU16 ? "%#x" : "%u", bpb->bkbs); 929dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 930dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("\n"); 931dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 932dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 933dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 934dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Check a disk geometry value. 935dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 936dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic u_int 937dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectckgeom(const char *fname, u_int val, const char *msg) 938dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 939dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!val) 94072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: no default %s", fname, msg); 941dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (val > MAXU16) 94272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: illegal %s %d", fname, msg, val); 943dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return val; 944dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 945dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 946dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 947dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Convert and check a numeric option argument. 948dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 949dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic u_int 950dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectargtou(const char *arg, u_int lo, u_int hi, const char *msg) 951dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 952dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *s; 953dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_long x; 954dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 955dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project errno = 0; 956dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = strtoul(arg, &s, 0); 957dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (errno || !*arg || *s || x < lo || x > hi) 95872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad %s", arg, msg); 95972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat return x; 96072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 96172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 96272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 96372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Same for off_t, with optional skmgpP suffix 96472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 96572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic off_t 96672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatargtooff(const char *arg, const char *msg) 96772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 96872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat char *s; 96972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t x; 97072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 97172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x = strtoll(arg, &s, 0); 97272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* allow at most one extra char */ 97372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (errno || x < 0 || (s[0] && s[1]) ) 97472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad %s", arg, msg); 97572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (*s) { /* the extra char is the multiplier */ 97672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat switch (*s) { 97772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat default: 97872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad %s", arg, msg); 97972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* notreached */ 98072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 98172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 's': /* sector */ 98272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'S': 98372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 9; /* times 512 */ 98472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 98572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 98672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'k': /* kilobyte */ 98772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'K': 98872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 10; /* times 1024 */ 98972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 99072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 99172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'm': /* megabyte */ 99272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'M': 99372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 20; /* times 1024*1024 */ 99472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 99572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 99672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'g': /* gigabyte */ 99772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'G': 99872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 30; /* times 1024*1024*1024 */ 99972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 100072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 100172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'p': /* partition start */ 100272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'P': /* partition start */ 100372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'l': /* partition length */ 100472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'L': /* partition length */ 100572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: not supported yet %s", arg, msg); 100672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* notreached */ 100772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 100872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 1009dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return x; 1010dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1011dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1012dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1013dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Check a volume label. 1014dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1015dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int 1016dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectoklabel(const char *src) 1017dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 1018dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int c, i; 1019dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1020dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (i = 0; i <= 11; i++) { 1021dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c = (u_char)*src++; 1022dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (c < ' ' + !i || strchr("\"*+,./:;<=>?[\\]|", c)) 1023dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 1024dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 1025dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return i && !c; 1026dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1027dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1028dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1029dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Make a volume label. 1030dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1031dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 1032dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectmklabel(u_int8_t *dest, const char *src) 1033dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 1034dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int c, i; 1035dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1036dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (i = 0; i < 11; i++) { 103772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat c = *src ? toupper(*src++) : ' '; 1038dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *dest++ = !i && c == '\xe5' ? 5 : c; 1039dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 1040dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1041dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1042dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1043dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copy string, padding with spaces. 1044dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1045dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 1046dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectsetstr(u_int8_t *dest, const char *src, size_t len) 1047dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 1048dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while (len--) 1049dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *dest++ = *src ? *src++ : ' '; 1050dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1051dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1052dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1053dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Print usage message. 1054dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1055dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 105672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatusage(void) 1057dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 105872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fprintf(stderr, 105972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "usage: newfs_msdos [ -options ] special [disktype]\n" 106072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "where the options are:\n" 106172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-@ create file system at specified offset\n" 106272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-B get bootstrap from file\n" 106372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-C create image file with specified size\n" 106472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-F FAT type (12, 16, or 32)\n" 106572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-I volume ID\n" 106672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-L volume label\n" 106772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-N don't create file system: just print out parameters\n" 106872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-O OEM string\n" 106972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-S bytes/sector\n" 107072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-a sectors/FAT\n" 107172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-b block size\n" 107272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-c sectors/cluster\n" 107372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-e root directory entries\n" 107472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-f standard format\n" 107572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-h drive heads\n" 107672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-i file system info sector\n" 107772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-k backup boot sector\n" 107872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-m media descriptor\n" 107972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-n number of FATs\n" 108072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-o hidden sectors\n" 108172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-r reserved sectors\n" 108272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-s file system size (sectors)\n" 108372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-u sectors/track\n"); 108472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 1085dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1086