newfs_msdos.c revision 72eead43c7711ca97b2d7f578e6b8854a2856ce0
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 Mehatstatic void err(int val, const char *fmt, ...) { 23972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_list ap; 24072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_start(ap, fmt); 24172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat char *fmt2; 24272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat asprintf(&fmt2, "%s\n", fmt); 24372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat vfprintf(stderr, fmt2, ap); 24472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat free(fmt2); 24572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_end(ap); 24672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 24772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 24872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void errx(int val, const char *fmt, ...) { 24972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_list ap; 25072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_start(ap, fmt); 25172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat char *fmt2; 25272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat asprintf(&fmt2, "%s\n", fmt); 25372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat vfprintf(stderr, fmt2, ap); 25472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat free(fmt2); 25572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_end(ap); 25672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 25772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 25872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void warnx(const char *fmt, ...) { 25972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_list ap; 26072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_start(ap, fmt); 26172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat char *fmt2; 26272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat asprintf(&fmt2, "%s\n", fmt); 26372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat vfprintf(stderr, fmt2, ap); 26472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat free(fmt2); 26572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat va_end(ap); 26672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 26772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define powerof2(x) ((((x) - 1) & (x)) == 0) 26872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define howmany(x, y) (((x) + ((y) - 1)) / (y)) 26972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define MAX(x,y) ((x) > (y) ? (x) : (y)) 27072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#define MIN(a, b) ((a) < (b) ? (a) : (b)) 271dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 27272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif 273dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 274dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Construct a FAT12, FAT16, or FAT32 file system. 275dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 276dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint 27772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatnewfs_msdos_main(int argc, char *argv[]) 278dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 27972eead43c7711ca97b2d7f578e6b8854a2856ce0San 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:"; 28072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat const char *opt_B = NULL, *opt_L = NULL, *opt_O = NULL, *opt_f = NULL; 28172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int opt_F = 0, opt_I = 0, opt_S = 0, opt_a = 0, opt_b = 0, opt_c = 0; 28272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int opt_e = 0, opt_h = 0, opt_i = 0, opt_k = 0, opt_m = 0, opt_n = 0; 28372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int opt_o = 0, opt_r = 0, opt_s = 0, opt_u = 0; 28472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat int opt_N = 0; 28572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat int Iflag = 0, mflag = 0, oflag = 0; 286dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char buf[MAXPATHLEN]; 287dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct stat sb; 288dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct timeval tv; 289dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bpb bpb; 290dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct tm *tm; 291dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bs *bs; 292dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bsbpb *bsbpb; 293dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bsxbpb *bsxbpb; 294dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct bsx *bsx; 295dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct de *de; 296dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int8_t *img; 297dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const char *fname, *dtype, *bname; 298dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ssize_t n; 299dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project time_t now; 300dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_int fat, bss, rds, cls, dir, lsn, x, x1, x2; 301dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int ch, fd, fd1; 30272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t opt_create = 0, opt_ofs = 0; 303dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 304dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while ((ch = getopt(argc, argv, opts)) != -1) 305dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project switch (ch) { 30672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case '@': 30772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat opt_ofs = argtooff(optarg, "offset"); 30872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 309dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'N': 310dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_N = 1; 311dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 312dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'B': 313dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_B = optarg; 314dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 31572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'C': 31672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat opt_create = argtooff(optarg, "create size"); 31772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 318dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'F': 319dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (strcmp(optarg, "12") && 320dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcmp(optarg, "16") && 321dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcmp(optarg, "32")) 32272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad FAT type", optarg); 323dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_F = atoi(optarg); 324dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 325dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'I': 326dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_I = argto4(optarg, 0, "volume ID"); 327dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project Iflag = 1; 328dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 329dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'L': 330dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!oklabel(optarg)) 33172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad volume label", optarg); 332dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_L = optarg; 333dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 334dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'O': 335dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (strlen(optarg) > 8) 33672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad OEM string", optarg); 337dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_O = optarg; 338dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 339dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'S': 340dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_S = argto2(optarg, 1, "bytes/sector"); 341dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 342dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'a': 343dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_a = argto4(optarg, 1, "sectors/FAT"); 344dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 345dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'b': 346dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b = argtox(optarg, 1, "block size"); 347dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_c = 0; 348dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 349dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'c': 350dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_c = argto1(optarg, 1, "sectors/cluster"); 351dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b = 0; 352dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 353dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'e': 354dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_e = argto2(optarg, 1, "directory entries"); 355dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 35672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'f': 35772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat opt_f = optarg; 35872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 359dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'h': 360dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_h = argto2(optarg, 1, "drive heads"); 361dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 362dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'i': 363dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_i = argto2(optarg, 1, "info sector"); 364dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 365dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'k': 366dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_k = argto2(optarg, 1, "backup sector"); 367dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 368dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'm': 369dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_m = argto1(optarg, 0, "media descriptor"); 370dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mflag = 1; 371dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 372dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'n': 373dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_n = argto1(optarg, 1, "number of FATs"); 374dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 375dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'o': 376dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_o = argto4(optarg, 0, "hidden sectors"); 377dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project oflag = 1; 378dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 379dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'r': 380dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_r = argto2(optarg, 1, "reserved sectors"); 381dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 382dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 's': 383dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_s = argto4(optarg, 1, "file system size"); 384dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 385dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project case 'u': 386dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_u = argto2(optarg, 1, "sectors/track"); 387dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 388dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project default: 38972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat usage(); 390dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 391dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argc -= optind; 392dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argv += optind; 393dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (argc < 1 || argc > 2) 39472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat usage(); 395dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fname = *argv++; 39672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!opt_create && !strchr(fname, '/')) { 39772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat snprintf(buf, sizeof(buf), "%s%s", _PATH_DEV, fname); 398dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(fname = strdup(buf))) 39972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, NULL); 400dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 401dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dtype = *argv; 40272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_create) { 40372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_N) 40472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "create (-C) is incompatible with -N"); 40572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fd = open(fname, O_RDWR | O_CREAT | O_TRUNC, 0644); 40672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (fd == -1) 40772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "failed to create %s", fname); 40872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ftruncate(fd, opt_create)) 40972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "failed to initialize %jd bytes", (intmax_t)opt_create); 41072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } else if ((fd = open(fname, opt_N ? O_RDONLY : O_RDWR)) == -1) 41172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", fname); 41272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (fstat(fd, &sb)) 41372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", fname); 41472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_create) { 41572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!S_ISREG(sb.st_mode)) 41672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning, %s is not a regular file", fname); 41772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } else { 41872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!S_ISCHR(sb.st_mode)) 41972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning, %s is not a character device", fname); 42072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 42172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!opt_N) 42272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat check_mounted(fname, sb.st_mode); 42372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_ofs && opt_ofs != lseek(fd, opt_ofs, SEEK_SET)) 42472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "cannot seek to %jd", (intmax_t)opt_ofs); 425dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&bpb, 0, sizeof(bpb)); 42672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_f) { 42772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat getstdfmt(opt_f, &bpb); 42872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bsec = bpb.sec; 42972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.sec = 0; 43072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bspf = bpb.spf; 43172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spf = 0; 43272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 433dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_h) 434dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.hds = opt_h; 435dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_u) 436dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spt = opt_u; 437dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_S) 438dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps = opt_S; 439dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_s) 440dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec = opt_s; 441dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (oflag) 442dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.hid = opt_o; 44372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!(opt_f || (opt_h && opt_u && opt_S && opt_s && oflag))) { 44472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t delta; 44572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat getdiskinfo(fd, fname, dtype, oflag, &bpb); 44672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bsec -= (opt_ofs / bpb.bps); 44772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat delta = bpb.bsec % bpb.spt; 44872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (delta != 0) { 44972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("trim %d sectors to adjust to a multiple of %d", 45072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat (int)delta, bpb.spt); 45172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bsec -= delta; 45272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 45372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb.spc == 0) { /* set defaults */ 45472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb.bsec <= 6000) /* about 3MB -> 512 bytes */ 45572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 1; 45672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (bpb.bsec <= (1<<17)) /* 64M -> 4k */ 45772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 8; 45872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (bpb.bsec <= (1<<19)) /* 256M -> 8k */ 45972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 16; 46072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (bpb.bsec <= (1<<21)) /* 1G -> 16k */ 46172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 32; 46272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else 46372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.spc = 64; /* otherwise 32k */ 464dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 465dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 466dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!powerof2(bpb.bps)) 46772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "bytes/sector (%u) is not a power of 2", bpb.bps); 468dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bps < MINBPS) 46972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "bytes/sector (%u) is too small; minimum is %u", 470dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps, MINBPS); 471dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(fat = opt_F)) { 47272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_f) 47372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fat = 12; 47472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (!opt_e && (opt_i || opt_k)) 475dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 32; 476dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 477dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((fat == 32 && opt_e) || (fat != 32 && (opt_i || opt_k))) 47872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "-%c is not a legal FAT%s option", 479dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat == 32 ? 'e' : opt_i ? 'i' : 'k', 480dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat == 32 ? "32" : "12/16"); 48172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (opt_f && fat == 32) 482dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rde = 0; 483dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_b) { 484dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!powerof2(opt_b)) 48572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "block size (%u) is not a power of 2", opt_b); 486dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_b < bpb.bps) 48772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "block size (%u) is too small; minimum is %u", 488dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b, bpb.bps); 489dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_b > bpb.bps * MAXSPC) 49072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "block size (%u) is too large; maximum is %u", 491dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_b, bpb.bps * MAXSPC); 492dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc = opt_b / bpb.bps; 493dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 494dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_c) { 495dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!powerof2(opt_c)) 49672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "sectors/cluster (%u) is not a power of 2", opt_c); 497dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc = opt_c; 498dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 499dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_r) 500dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.res = opt_r; 501dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_n) { 502dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_n > MAXNFT) 50372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "number of FATs (%u) is too large; maximum is %u", 504dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project opt_n, MAXNFT); 505dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.nft = opt_n; 506dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 507dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_e) 508dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rde = opt_e; 509dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (mflag) { 510dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_m < 0xf0) 51172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "illegal media descriptor (%#x)", opt_m); 512dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.mid = opt_m; 513dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 514dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_a) 515dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bspf = opt_a; 516dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_i) 517dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.infs = opt_i; 518dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_k) 519dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bkbs = opt_k; 520dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bss = 1; 521dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bname = NULL; 522dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd1 = -1; 523dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_B) { 524dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bname = opt_B; 525dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!strchr(bname, '/')) { 526dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project snprintf(buf, sizeof(buf), "/boot/%s", bname); 527dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(bname = strdup(buf))) 52872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, NULL); 529dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 530dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((fd1 = open(bname, O_RDONLY)) == -1 || fstat(fd1, &sb)) 53172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", bname); 532dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!S_ISREG(sb.st_mode) || sb.st_size % bpb.bps || 533dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sb.st_size < bpb.bps || sb.st_size > bpb.bps * MAXU16) 53472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: inappropriate file type or format", bname); 535dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bss = sb.st_size / bpb.bps; 536dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 537dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.nft) 538dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.nft = 2; 539dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!fat) { 540dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bsec < (bpb.res ? bpb.res : bss) + 541dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany((RESFTE + (bpb.spc ? MINCLS16 : MAXCLS12 + 1)) * 542dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((bpb.spc ? 16 : 12) / BPN), bpb.bps * NPB) * 543dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.nft + 544dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany(bpb.rde ? bpb.rde : DEFRDE, 54572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb.bps / sizeof(struct de)) + 546dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc ? MINCLS16 : MAXCLS12 + 1) * 547dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc ? bpb.spc : howmany(DEFBLK, bpb.bps))) 548dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 12; 549dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else if (bpb.rde || bpb.bsec < 550dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.res ? bpb.res : bss) + 551dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany((RESFTE + MAXCLS16) * 2, bpb.bps) * bpb.nft + 55272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat howmany(DEFRDE, bpb.bps / sizeof(struct de)) + 553dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (MAXCLS16 + 1) * 554dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc ? bpb.spc : howmany(8192, bpb.bps))) 555dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 16; 556dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else 557dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat = 32; 558dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 559dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bss; 560dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat == 32) { 561dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.infs) { 562dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (x == MAXU16 || x == bpb.bkbs) 56372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "no room for info sector"); 564dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.infs = x; 565dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 566dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.infs != MAXU16 && x <= bpb.infs) 567dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bpb.infs + 1; 568dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.bkbs) { 569dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (x == MAXU16) 57072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "no room for backup sector"); 571dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bkbs = x; 572dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (bpb.bkbs != MAXU16 && bpb.bkbs == bpb.infs) 57372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "backup sector would overwrite info sector"); 574dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bkbs != MAXU16 && x <= bpb.bkbs) 575dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bpb.bkbs + 1; 576dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 577dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.res) 578dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.res = fat == 32 ? MAX(x, MAX(16384 / bpb.bps, 4)) : x; 579dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else if (bpb.res < x) 58072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "too few reserved sectors"); 581dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat != 32 && !bpb.rde) 582dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rde = DEFRDE; 58372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat rds = howmany(bpb.rde, bpb.bps / sizeof(struct de)); 584dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.spc) 585dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (bpb.spc = howmany(fat == 16 ? DEFBLK16 : DEFBLK, bpb.bps); 586dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc < MAXSPC && 587dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.res + 588dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project howmany((RESFTE + maxcls(fat)) * (fat / BPN), 589dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps * NPB) * bpb.nft + 590dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project rds + 591dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int64_t)(maxcls(fat) + 1) * bpb.spc <= bpb.bsec; 592dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spc <<= 1); 593dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat != 32 && bpb.bspf > MAXU16) 59472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "too many sectors/FAT for FAT12/16"); 595dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x1 = bpb.res + rds; 596dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = bpb.bspf ? bpb.bspf : 1; 597dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (x1 + (u_int64_t)x * bpb.nft > bpb.bsec) 59872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "meta data exceeds file system size"); 599dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x1 += x * bpb.nft; 600dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int64_t)(bpb.bsec - x1) * bpb.bps * NPB / 601dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spc * bpb.bps * NPB + fat / BPN * bpb.nft); 602dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x2 = howmany((RESFTE + MIN(x, maxcls(fat))) * (fat / BPN), 603dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bps * NPB); 604dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.bspf) { 605dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bspf = x2; 606dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x1 += (bpb.bspf - 1) * bpb.nft; 607dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 608dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls = (bpb.bsec - x1) / bpb.spc; 609dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int64_t)bpb.bspf * bpb.bps * NPB / (fat / BPN) - RESFTE; 610dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (cls > x) 611dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls = x; 612dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.bspf < x2) 61372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning: sectors/FAT limits file system to %u clusters", 614dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls); 615dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (cls < mincls(fat)) 61672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%u clusters too few clusters for FAT%u, need %u", cls, fat, 617dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mincls(fat)); 618dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (cls > maxcls(fat)) { 619dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls = maxcls(fat); 620dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec = x1 + (cls + 1) * bpb.spc - 1; 62172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("warning: FAT type limits file system to %u sectors", 622dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec); 623dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 624dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("%s: %u sector%s in %u FAT%u cluster%s " 625dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project "(%u bytes/cluster)\n", fname, cls * bpb.spc, 626dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls * bpb.spc == 1 ? "" : "s", cls, fat, 627dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project cls == 1 ? "" : "s", bpb.bps * bpb.spc); 628dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb.mid) 629dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.mid = !bpb.hid ? 0xf0 : 0xf8; 630dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat == 32) 631dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.rdcl = RESFTE; 632dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb.hid + bpb.bsec <= MAXU16) { 633dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.sec = bpb.bsec; 634dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bsec = 0; 635dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 636dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat != 32) { 637dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.spf = bpb.bspf; 638dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb.bspf = 0; 639dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 640dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project print_bpb(&bpb); 641dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!opt_N) { 642dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project gettimeofday(&tv, NULL); 643dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project now = tv.tv_sec; 644dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project tm = localtime(&now); 645dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!(img = malloc(bpb.bps))) 64672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, NULL); 647dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dir = bpb.res + (bpb.spf ? bpb.spf : bpb.bspf) * bpb.nft; 648dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (lsn = 0; lsn < dir + (fat == 32 ? bpb.spc : rds); lsn++) { 649dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = lsn; 650dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_B && 651dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fat == 32 && bpb.bkbs != MAXU16 && 652dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bss <= bpb.bkbs && x >= bpb.bkbs) { 653dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x -= bpb.bkbs; 65472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!x && lseek(fd1, opt_ofs, SEEK_SET)) 65572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", bname); 656dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 657dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (opt_B && x < bss) { 658dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((n = read(fd1, img, bpb.bps)) == -1) 65972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", bname); 66072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if ((unsigned)n != bpb.bps) 66172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: can't read sector %u", bname, x); 662dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else 663dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(img, 0, bpb.bps); 664dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!lsn || 665dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (fat == 32 && bpb.bkbs != MAXU16 && lsn == bpb.bkbs)) { 66672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 = sizeof(struct bs); 667dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bsbpb = (struct bsbpb *)(img + x1); 668dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->bps, bpb.bps); 669dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsbpb->spc, bpb.spc); 670dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->res, bpb.res); 671dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsbpb->nft, bpb.nft); 672dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->rde, bpb.rde); 673dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->sec, bpb.sec); 674dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsbpb->mid, bpb.mid); 675dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->spf, bpb.spf); 676dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->spt, bpb.spt); 677dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsbpb->hds, bpb.hds); 678dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsbpb->hid, bpb.hid); 679dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsbpb->bsec, bpb.bsec); 68072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 += sizeof(struct bsbpb); 681dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (fat == 32) { 682dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bsxbpb = (struct bsxbpb *)(img + x1); 683dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsxbpb->bspf, bpb.bspf); 684dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->xflg, 0); 685dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->vers, 0); 686dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsxbpb->rdcl, bpb.rdcl); 687dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->infs, bpb.infs); 688dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(bsxbpb->bkbs, bpb.bkbs); 68972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 += sizeof(struct bsxbpb); 690dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 691dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bsx = (struct bsx *)(img + x1); 692dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bsx->sig, 0x29); 693dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (Iflag) 694dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = opt_I; 695dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project else 696dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (((u_int)(1 + tm->tm_mon) << 8 | 697dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_mday) + 698dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((u_int)tm->tm_sec << 8 | 699dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)(tv.tv_usec / 10))) << 16 | 700dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((u_int)(1900 + tm->tm_year) + 701dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ((u_int)tm->tm_hour << 8 | 702dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_min)); 703dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(bsx->volid, x); 70472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mklabel(bsx->label, opt_L ? opt_L : "NO NAME"); 70572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat sprintf(buf, "FAT%u", fat); 706dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project setstr(bsx->type, buf, sizeof(bsx->type)); 707dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!opt_B) { 70872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x1 += sizeof(struct bsx); 709dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bs = (struct bs *)img; 710dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bs->jmp[0], 0xeb); 711dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bs->jmp[1], x1 - 2); 712dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(bs->jmp[2], 0x90); 71372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat setstr(bs->oem, opt_O ? opt_O : "BSD 4.4", 714dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project sizeof(bs->oem)); 715dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(img + x1, bootcode, sizeof(bootcode)); 71672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk2(img + MINBPS - 2, DOSMAGIC); 717dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 718dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (fat == 32 && bpb.infs != MAXU16 && 719dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (lsn == bpb.infs || 720dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.bkbs != MAXU16 && 721dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project lsn == bpb.bkbs + bpb.infs))) { 722dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk4(img, 0x41615252); 72372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk4(img + MINBPS - 28, 0x61417272); 72472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk4(img + MINBPS - 24, 0xffffffff); 72572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk4(img + MINBPS - 20, bpb.rdcl); 72672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat mk2(img + MINBPS - 2, DOSMAGIC); 727dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (lsn >= bpb.res && lsn < dir && 728dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project !((lsn - bpb.res) % 729dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (bpb.spf ? bpb.spf : bpb.bspf))) { 730dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(img[0], bpb.mid); 731dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (x = 1; x < fat * (fat == 32 ? 3 : 2) / 8; x++) 732dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(img[x], fat == 32 && x % 4 == 3 ? 0x0f : 0xff); 733dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if (lsn == dir && opt_L) { 734dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project de = (struct de *)img; 735dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mklabel(de->namext, opt_L); 736dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk1(de->attr, 050); 737dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int)tm->tm_hour << 11 | 738dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_min << 5 | 739dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_sec >> 1; 740dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(de->time, x); 741dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = (u_int)(tm->tm_year - 80) << 9 | 742dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)(tm->tm_mon + 1) << 5 | 743dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project (u_int)tm->tm_mday; 744dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project mk2(de->date, x); 745dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 746dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((n = write(fd, img, bpb.bps)) == -1) 74772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "%s", fname); 74872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if ((unsigned)n != bpb.bps) 74972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: can't write sector %u", fname, lsn); 750dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 751dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 752dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 753dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 754dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 755dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 75672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Exit with error if file system is mounted. 75772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 75872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 75972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatcheck_mounted(const char *fname, mode_t mode) 76072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 76172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct statfs *mp; 76272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat const char *s1, *s2; 76372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat size_t len; 76472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat int n, r; 76572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 76672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifdef ANDROID 76772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("Skipping mount checks"); 76872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#else 76972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!(n = getmntinfo(&mp, MNT_NOWAIT))) 77072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "getmntinfo"); 77172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat len = strlen(_PATH_DEV); 77272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s1 = fname; 77372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!strncmp(s1, _PATH_DEV, len)) 77472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s1 += len; 77572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat r = S_ISCHR(mode) && s1 != fname && *s1 == 'r'; 77672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat for (; n--; mp++) { 77772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s2 = mp->f_mntfromname; 77872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (!strncmp(s2, _PATH_DEV, len)) 77972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat s2 += len; 78072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if ((r && s2 != mp->f_mntfromname && !strcmp(s1 + 1, s2)) || 78172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat !strcmp(s1, s2)) 78272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s is mounted on %s", fname, mp->f_mntonname); 78372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 78472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif 78572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 78672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 78772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 78872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Get a standard format. 78972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 79072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 79172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatgetstdfmt(const char *fmt, struct bpb *bpb) 79272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 79372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat u_int x, i; 79472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 79572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x = sizeof(stdfmt) / sizeof(stdfmt[0]); 79672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat for (i = 0; i < x && strcmp(fmt, stdfmt[i].name); i++); 79772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (i == x) 79872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: unknown standard format", fmt); 79972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat *bpb = stdfmt[i].bpb; 80072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 80172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 80272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 80372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Get disk slice, partition, and geometry information. 80472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 80572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 80672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#ifdef ANDROID 80772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 80872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatgetdiskinfo(int fd, const char *fname, const char *dtype, __unused int oflag, 80972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct bpb *bpb) 81072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 81172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct hd_geometry geom; 81272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 81372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, BLKSSZGET, &bpb->bps)) { 81472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fprintf(stderr, "Error getting bytes / sector (%s)", strerror(errno)); 81572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 81672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 81772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 81872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ckgeom(fname, bpb->bps, "bytes/sector"); 81972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 82072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, BLKGETSIZE, &bpb->bsec)) { 82172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fprintf(stderr, "Error getting blocksize (%s)", strerror(errno)); 82272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 82372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 82472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 82572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, HDIO_GETGEO, &geom)) { 82672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fprintf(stderr, "Error getting gemoetry (%s)", strerror(errno)); 82772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 82872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 82972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 83072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->spt = geom.sectors; 83172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ckgeom(fname, bpb->spt, "sectors/track"); 83272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 83372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->hds = geom.heads; 83472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ckgeom(fname, bpb->hds, "drive heads"); 83572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 83672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 83772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#else 83872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 83972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic void 84072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatgetdiskinfo(int fd, const char *fname, const char *dtype, __unused int oflag, 84172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct bpb *bpb) 84272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 84372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct disklabel *lp, dlp; 84472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct fd_type type; 84572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t ms, hs = 0; 84672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 84772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = NULL; 84872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 84972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* If the user specified a disk type, try to use that */ 85072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (dtype != NULL) { 85172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = getdiskbyname(dtype); 85272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 85372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 85472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* Maybe it's a floppy drive */ 85572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (lp == NULL) { 85672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, DIOCGMEDIASIZE, &ms) == -1) { 85772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat struct stat st; 85872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 85972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (fstat(fd, &st)) 86072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat err(1, "Cannot get disk size"); 86172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* create a fake geometry for a file image */ 86272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat ms = st.st_size; 86372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secsize = 512; 86472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_nsectors = 63; 86572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 255; 86672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secperunit = ms / dlp.d_secsize; 86772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = &dlp; 86872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } else if (ioctl(fd, FD_GTYPE, &type) != -1) { 86972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secsize = 128 << type.secsize; 87072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_nsectors = type.sectrac; 87172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = type.heads; 87272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secperunit = ms / dlp.d_secsize; 87372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = &dlp; 87472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 87572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 87672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 87772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* Maybe it's a fixed drive */ 87872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (lp == NULL) { 87972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (ioctl(fd, DIOCGDINFO, &dlp) == -1) { 88072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->bps == 0 && ioctl(fd, DIOCGSECTORSIZE, &dlp.d_secsize) == -1) 88172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "Cannot get sector size, %s", strerror(errno)); 88272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 88372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* XXX Should we use bpb->bps if it's set? */ 88472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_secperunit = ms / dlp.d_secsize; 88572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 88672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->spt == 0 && ioctl(fd, DIOCGFWSECTORS, &dlp.d_nsectors) == -1) { 88772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("Cannot get number of sectors per track, %s", strerror(errno)); 88872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_nsectors = 63; 88972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 89072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->hds == 0 && ioctl(fd, DIOCGFWHEADS, &dlp.d_ntracks) == -1) { 89172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat warnx("Cannot get number of heads, %s", strerror(errno)); 89272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (dlp.d_secperunit <= 63*1*1024) 89372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 1; 89472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else if (dlp.d_secperunit <= 63*16*1024) 89572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 16; 89672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat else 89772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat dlp.d_ntracks = 255; 89872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 89972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 90072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 90172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat hs = (ms / dlp.d_secsize) - dlp.d_secperunit; 90272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat lp = &dlp; 90372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 90472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 90572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->bps == 0) 90672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->bps = ckgeom(fname, lp->d_secsize, "bytes/sector"); 90772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->spt == 0) 90872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->spt = ckgeom(fname, lp->d_nsectors, "sectors/track"); 90972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->hds == 0) 91072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->hds = ckgeom(fname, lp->d_ntracks, "drive heads"); 91172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->bsec == 0) 91272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->bsec = lp->d_secperunit; 91372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (bpb->hid == 0) 91472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat bpb->hid = hs; 91572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 91672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat#endif 91772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 91872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 919dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Print out BPB values. 920dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 921dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 922dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectprint_bpb(struct bpb *bpb) 923dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 924dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("bps=%u spc=%u res=%u nft=%u", bpb->bps, bpb->spc, bpb->res, 925dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project bpb->nft); 926dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->rde) 927dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" rde=%u", bpb->rde); 928dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->sec) 929dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" sec=%u", bpb->sec); 930dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" mid=%#x", bpb->mid); 931dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->spf) 932dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" spf=%u", bpb->spf); 933dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" spt=%u hds=%u hid=%u", bpb->spt, bpb->hds, bpb->hid); 934dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (bpb->bsec) 935dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" bsec=%u", bpb->bsec); 936dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!bpb->spf) { 937dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" bspf=%u rdcl=%u", bpb->bspf, bpb->rdcl); 938dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" infs="); 939dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(bpb->infs == MAXU16 ? "%#x" : "%u", bpb->infs); 940dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(" bkbs="); 941dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf(bpb->bkbs == MAXU16 ? "%#x" : "%u", bpb->bkbs); 942dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 943dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("\n"); 944dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 945dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 946dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 947dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Check a disk geometry value. 948dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 949dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic u_int 950dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectckgeom(const char *fname, u_int val, const char *msg) 951dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 952dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (!val) 95372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: no default %s", fname, msg); 954dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (val > MAXU16) 95572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: illegal %s %d", fname, msg, val); 956dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return val; 957dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 958dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 959dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 960dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Convert and check a numeric option argument. 961dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 962dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic u_int 963dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectargtou(const char *arg, u_int lo, u_int hi, const char *msg) 964dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 965dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *s; 966dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project u_long x; 967dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 968dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project errno = 0; 969dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = strtoul(arg, &s, 0); 970dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (errno || !*arg || *s || x < lo || x > hi) 97172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad %s", arg, msg); 97272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat return x; 97372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat} 97472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 97572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat/* 97672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat * Same for off_t, with optional skmgpP suffix 97772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat */ 97872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatstatic off_t 97972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatargtooff(const char *arg, const char *msg) 98072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat{ 98172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat char *s; 98272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat off_t x; 98372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 98472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x = strtoll(arg, &s, 0); 98572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* allow at most one extra char */ 98672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (errno || x < 0 || (s[0] && s[1]) ) 98772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad %s", arg, msg); 98872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat if (*s) { /* the extra char is the multiplier */ 98972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat switch (*s) { 99072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat default: 99172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: bad %s", arg, msg); 99272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* notreached */ 99372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 99472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 's': /* sector */ 99572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'S': 99672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 9; /* times 512 */ 99772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 99872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 99972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'k': /* kilobyte */ 100072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'K': 100172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 10; /* times 1024 */ 100272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 100372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 100472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'm': /* megabyte */ 100572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'M': 100672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 20; /* times 1024*1024 */ 100772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 100872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 100972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'g': /* gigabyte */ 101072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'G': 101172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat x <<= 30; /* times 1024*1024*1024 */ 101272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat break; 101372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat 101472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'p': /* partition start */ 101572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'P': /* partition start */ 101672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'l': /* partition length */ 101772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat case 'L': /* partition length */ 101872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat errx(1, "%s: not supported yet %s", arg, msg); 101972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat /* notreached */ 102072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 102172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat } 1022dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return x; 1023dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1024dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1025dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1026dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Check a volume label. 1027dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1028dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int 1029dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectoklabel(const char *src) 1030dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 1031dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int c, i; 1032dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1033dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (i = 0; i <= 11; i++) { 1034dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c = (u_char)*src++; 1035dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (c < ' ' + !i || strchr("\"*+,./:;<=>?[\\]|", c)) 1036dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project break; 1037dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 1038dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return i && !c; 1039dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1040dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1041dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1042dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Make a volume label. 1043dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1044dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 1045dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectmklabel(u_int8_t *dest, const char *src) 1046dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 1047dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int c, i; 1048dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1049dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (i = 0; i < 11; i++) { 105072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat c = *src ? toupper(*src++) : ' '; 1051dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *dest++ = !i && c == '\xe5' ? 5 : c; 1052dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 1053dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1054dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1055dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1056dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copy string, padding with spaces. 1057dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1058dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 1059dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectsetstr(u_int8_t *dest, const char *src, size_t len) 1060dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 1061dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while (len--) 1062dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *dest++ = *src ? *src++ : ' '; 1063dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1064dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1065dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 1066dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Print usage message. 1067dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 1068dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void 106972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehatusage(void) 1070dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 107172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat fprintf(stderr, 107272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "usage: newfs_msdos [ -options ] special [disktype]\n" 107372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "where the options are:\n" 107472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-@ create file system at specified offset\n" 107572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-B get bootstrap from file\n" 107672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-C create image file with specified size\n" 107772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-F FAT type (12, 16, or 32)\n" 107872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-I volume ID\n" 107972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-L volume label\n" 108072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-N don't create file system: just print out parameters\n" 108172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-O OEM string\n" 108272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-S bytes/sector\n" 108372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-a sectors/FAT\n" 108472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-b block size\n" 108572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-c sectors/cluster\n" 108672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-e root directory entries\n" 108772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-f standard format\n" 108872eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-h drive heads\n" 108972eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-i file system info sector\n" 109072eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-k backup boot sector\n" 109172eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-m media descriptor\n" 109272eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-n number of FATs\n" 109372eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-o hidden sectors\n" 109472eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-r reserved sectors\n" 109572eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-s file system size (sectors)\n" 109672eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat "\t-u sectors/track\n"); 109772eead43c7711ca97b2d7f578e6b8854a2856ce0San Mehat exit(1); 1098dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 1099