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NetBSD/sbin/newfs_udf/newfs_udf.c
christos 7bb0f9314c PR/50920: David Binderman: fix leak
2016-03-09 19:48:24 +00:00

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/* $NetBSD: newfs_udf.c,v 1.19 2016/03/09 19:48:24 christos Exp $ */
/*
* Copyright (c) 2006, 2008, 2013 Reinoud Zandijk
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
* TODO
* - implement metadata formatting for BD-R
* - implement support for a read-only companion partition?
*/
#define _EXPOSE_MMC
#if 0
# define DEBUG
#endif
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <inttypes.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <util.h>
#include <time.h>
#include <assert.h>
#include <err.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/cdio.h>
#include <sys/disklabel.h>
#include <sys/dkio.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <fs/udf/ecma167-udf.h>
#include <fs/udf/udf_mount.h>
#include "mountprog.h"
#include "udf_create.h"
#include "udf_write.h"
#include "newfs_udf.h"
/* prototypes */
int newfs_udf(int argc, char **argv);
static void usage(void) __attribute__((__noreturn__));
/* queue for temporary storage of sectors to be written out */
struct wrsect {
uint64_t sectornr;
uint8_t *sector_data;
TAILQ_ENTRY(wrsect) next;
};
/* write queue and track blocking skew */
TAILQ_HEAD(wrsect_list, wrsect) write_queue;
/* global variables describing disc and format requests */
int fd; /* device: file descriptor */
char *dev; /* device: name */
struct mmc_discinfo mmc_discinfo; /* device: disc info */
char *format_str; /* format: string representation */
int format_flags; /* format: attribute flags */
int media_accesstype; /* derived from current mmc cap */
int check_surface; /* for rewritables */
int imagefile_secsize; /* for files */
int emul_packetsize; /* for discs and files */
int wrtrack_skew;
int meta_perc = UDF_META_PERC;
float meta_fract = (float) UDF_META_PERC / 100.0;
/* --------------------------------------------------------------------- */
/*
* write queue implementation
*/
int
udf_write_sector(void *sector, uint64_t location)
{
struct wrsect *pos, *seekpos;
/* search location */
TAILQ_FOREACH_REVERSE(seekpos, &write_queue, wrsect_list, next) {
if (seekpos->sectornr <= location)
break;
}
if ((seekpos == NULL) || (seekpos->sectornr != location)) {
pos = calloc(1, sizeof(struct wrsect));
if (pos == NULL)
return errno;
/* allocate space for copy of sector data */
pos->sector_data = calloc(1, context.sector_size);
if (pos->sector_data == NULL) {
free(pos);
return errno;
}
pos->sectornr = location;
if (seekpos) {
TAILQ_INSERT_AFTER(&write_queue, seekpos, pos, next);
} else {
TAILQ_INSERT_HEAD(&write_queue, pos, next);
}
} else {
pos = seekpos;
}
memcpy(pos->sector_data, sector, context.sector_size);
return 0;
}
/*
* Now all write requests are queued in the TAILQ, write them out to the
* disc/file image. Special care needs to be taken for devices that are only
* strict overwritable i.e. only in packet size chunks
*
* XXX support for growing vnd?
*/
int
writeout_write_queue(void)
{
struct wrsect *pos;
uint64_t offset;
uint64_t line_start, new_line_start;
uint32_t line_len, line_offset, relpos;
uint32_t blockingnr;
uint8_t *linebuf, *adr;
blockingnr = layout.blockingnr;
line_len = blockingnr * context.sector_size;
line_offset = wrtrack_skew * context.sector_size;
linebuf = malloc(line_len);
if (linebuf == NULL)
return ENOMEM;
pos = TAILQ_FIRST(&write_queue);
bzero(linebuf, line_len);
/*
* Always writing out in whole lines now; this is slightly wastefull
* on logical overwrite volumes but it reduces complexity and the loss
* is near zero compared to disc size.
*/
line_start = (pos->sectornr - wrtrack_skew) / blockingnr;
TAILQ_FOREACH(pos, &write_queue, next) {
new_line_start = (pos->sectornr - wrtrack_skew) / blockingnr;
if (new_line_start != line_start) {
/* write out */
offset = (uint64_t) line_start * line_len + line_offset;
#ifdef DEBUG
printf("WRITEOUT %08"PRIu64" + %02d -- "
"[%08"PRIu64"..%08"PRIu64"]\n",
offset / context.sector_size, blockingnr,
offset / context.sector_size,
offset / context.sector_size + blockingnr-1);
#endif
if (pwrite(fd, linebuf, line_len, offset) < 0) {
perror("Writing failed");
return errno;
}
line_start = new_line_start;
bzero(linebuf, line_len);
}
relpos = (pos->sectornr - wrtrack_skew) % blockingnr;
adr = linebuf + relpos * context.sector_size;
memcpy(adr, pos->sector_data, context.sector_size);
}
/* writeout last chunk */
offset = (uint64_t) line_start * line_len + line_offset;
#ifdef DEBUG
printf("WRITEOUT %08"PRIu64" + %02d -- [%08"PRIu64"..%08"PRIu64"]\n",
offset / context.sector_size, blockingnr,
offset / context.sector_size,
offset / context.sector_size + blockingnr-1);
#endif
if (pwrite(fd, linebuf, line_len, offset) < 0) {
perror("Writing failed");
return errno;
}
/* success */
return 0;
}
/* --------------------------------------------------------------------- */
/*
* mmc_discinfo and mmc_trackinfo readers modified from origional in udf main
* code in sys/fs/udf/
*/
#ifdef DEBUG
static void
udf_dump_discinfo(struct mmc_discinfo *di)
{
char bits[128];
printf("Device/media info :\n");
printf("\tMMC profile 0x%02x\n", di->mmc_profile);
printf("\tderived class %d\n", di->mmc_class);
printf("\tsector size %d\n", di->sector_size);
printf("\tdisc state %d\n", di->disc_state);
printf("\tlast ses state %d\n", di->last_session_state);
printf("\tbg format state %d\n", di->bg_format_state);
printf("\tfrst track %d\n", di->first_track);
printf("\tfst on last ses %d\n", di->first_track_last_session);
printf("\tlst on last ses %d\n", di->last_track_last_session);
printf("\tlink block penalty %d\n", di->link_block_penalty);
snprintb(bits, sizeof(bits), MMC_DFLAGS_FLAGBITS, (uint64_t) di->disc_flags);
printf("\tdisc flags %s\n", bits);
printf("\tdisc id %x\n", di->disc_id);
printf("\tdisc barcode %"PRIx64"\n", di->disc_barcode);
printf("\tnum sessions %d\n", di->num_sessions);
printf("\tnum tracks %d\n", di->num_tracks);
snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cur);
printf("\tcapabilities cur %s\n", bits);
snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cap);
printf("\tcapabilities cap %s\n", bits);
printf("\n");
printf("\tlast_possible_lba %d\n", di->last_possible_lba);
printf("\n");
}
#else
#define udf_dump_discinfo(a);
#endif
/* --------------------------------------------------------------------- */
static int
udf_update_discinfo(struct mmc_discinfo *di)
{
struct stat st;
struct disklabel disklab;
struct partition *dp;
off_t size, sectors, secsize;
int partnr, error;
memset(di, 0, sizeof(struct mmc_discinfo));
/* check if we're on a MMC capable device, i.e. CD/DVD */
error = ioctl(fd, MMCGETDISCINFO, di);
if (error == 0)
return 0;
/* (re)fstat the file */
fstat(fd, &st);
if (S_ISREG(st.st_mode)) {
/* file support; we pick the minimum sector size allowed */
size = st.st_size;
secsize = imagefile_secsize;
sectors = size / secsize;
} else {
/*
* disc partition support; note we can't use DIOCGPART in
* userland so get disc label and use the stat info to get the
* partition number.
*/
if (ioctl(fd, DIOCGDINFO, &disklab) == -1) {
/* failed to get disclabel! */
perror("disklabel");
return errno;
}
/* get disk partition it refers to */
fstat(fd, &st);
partnr = DISKPART(st.st_rdev);
dp = &disklab.d_partitions[partnr];
/* TODO problem with last_possible_lba on resizable VND */
if (dp->p_size == 0) {
perror("faulty disklabel partition returned, "
"check label\n");
return EIO;
}
sectors = dp->p_size;
secsize = disklab.d_secsize;
}
/* set up a disc info profile for partitions */
di->mmc_profile = 0x01; /* disc type */
di->mmc_class = MMC_CLASS_DISC;
di->disc_state = MMC_STATE_CLOSED;
di->last_session_state = MMC_STATE_CLOSED;
di->bg_format_state = MMC_BGFSTATE_COMPLETED;
di->link_block_penalty = 0;
di->mmc_cur = MMC_CAP_RECORDABLE | MMC_CAP_REWRITABLE |
MMC_CAP_ZEROLINKBLK | MMC_CAP_HW_DEFECTFREE;
di->mmc_cap = di->mmc_cur;
di->disc_flags = MMC_DFLAGS_UNRESTRICTED;
di->last_possible_lba = sectors - 1;
di->sector_size = secsize;
di->num_sessions = 1;
di->num_tracks = 1;
di->first_track = 1;
di->first_track_last_session = di->last_track_last_session = 1;
return 0;
}
int
udf_update_trackinfo(struct mmc_discinfo *di, struct mmc_trackinfo *ti)
{
int error, class;
class = di->mmc_class;
if (class != MMC_CLASS_DISC) {
/* tracknr specified in struct ti */
error = ioctl(fd, MMCGETTRACKINFO, ti);
return error;
}
/* discs partition support */
if (ti->tracknr != 1)
return EIO;
/* create fake ti (TODO check for resized vnds) */
ti->sessionnr = 1;
ti->track_mode = 0; /* XXX */
ti->data_mode = 0; /* XXX */
ti->flags = MMC_TRACKINFO_LRA_VALID | MMC_TRACKINFO_NWA_VALID;
ti->track_start = 0;
ti->packet_size = emul_packetsize;
/* TODO support for resizable vnd */
ti->track_size = di->last_possible_lba;
ti->next_writable = di->last_possible_lba;
ti->last_recorded = ti->next_writable;
ti->free_blocks = 0;
return 0;
}
static int
udf_setup_writeparams(struct mmc_discinfo *di)
{
struct mmc_writeparams mmc_writeparams;
int error;
if (di->mmc_class == MMC_CLASS_DISC)
return 0;
/*
* only CD burning normally needs setting up, but other disc types
* might need other settings to be made. The MMC framework will set up
* the nessisary recording parameters according to the disc
* characteristics read in. Modifications can be made in the discinfo
* structure passed to change the nature of the disc.
*/
memset(&mmc_writeparams, 0, sizeof(struct mmc_writeparams));
mmc_writeparams.mmc_class = di->mmc_class;
mmc_writeparams.mmc_cur = di->mmc_cur;
/*
* UDF dictates first track to determine track mode for the whole
* disc. [UDF 1.50/6.10.1.1, UDF 1.50/6.10.2.1]
* To prevent problems with a `reserved' track in front we start with
* the 2nd track and if that is not valid, go for the 1st.
*/
mmc_writeparams.tracknr = 2;
mmc_writeparams.data_mode = MMC_DATAMODE_DEFAULT; /* XA disc */
mmc_writeparams.track_mode = MMC_TRACKMODE_DEFAULT; /* data */
error = ioctl(fd, MMCSETUPWRITEPARAMS, &mmc_writeparams);
if (error) {
mmc_writeparams.tracknr = 1;
error = ioctl(fd, MMCSETUPWRITEPARAMS, &mmc_writeparams);
}
return error;
}
static void
udf_synchronise_caches(void)
{
struct mmc_op mmc_op;
bzero(&mmc_op, sizeof(struct mmc_op));
mmc_op.operation = MMC_OP_SYNCHRONISECACHE;
/* this device might not know this ioct, so just be ignorant */
(void) ioctl(fd, MMCOP, &mmc_op);
}
/* --------------------------------------------------------------------- */
static int
udf_prepare_disc(void)
{
struct mmc_trackinfo ti;
struct mmc_op op;
int tracknr, error;
/* If the last track is damaged, repair it */
ti.tracknr = mmc_discinfo.last_track_last_session;
error = udf_update_trackinfo(&mmc_discinfo, &ti);
if (error)
return error;
if (ti.flags & MMC_TRACKINFO_DAMAGED) {
/*
* Need to repair last track before anything can be done.
* this is an optional command, so ignore its error but report
* warning.
*/
memset(&op, 0, sizeof(op));
op.operation = MMC_OP_REPAIRTRACK;
op.mmc_profile = mmc_discinfo.mmc_profile;
op.tracknr = ti.tracknr;
error = ioctl(fd, MMCOP, &op);
if (error)
(void)printf("Drive can't explicitly repair last "
"damaged track, but it might autorepair\n");
}
/* last track (if any) might not be damaged now, operations are ok now */
/* setup write parameters from discinfo */
error = udf_setup_writeparams(&mmc_discinfo);
if (error)
return error;
/* if the drive is not sequential, we're done */
if ((mmc_discinfo.mmc_cur & MMC_CAP_SEQUENTIAL) == 0)
return 0;
#ifdef notyet
/* if last track is not the reserved but an empty track, unreserve it */
if (ti.flags & MMC_TRACKINFO_BLANK) {
if (ti.flags & MMC_TRACKINFO_RESERVED == 0) {
memset(&op, 0, sizeof(op));
op.operation = MMC_OP_UNRESERVETRACK;
op.mmc_profile = mmc_discinfo.mmc_profile;
op.tracknr = ti.tracknr;
error = ioctl(fd, MMCOP, &op);
if (error)
return error;
/* update discinfo since it changed by the operation */
error = udf_update_discinfo(&mmc_discinfo);
if (error)
return error;
}
}
#endif
/* close the last session if its still open */
if (mmc_discinfo.last_session_state == MMC_STATE_INCOMPLETE) {
printf("Closing last open session if present\n");
/* close all associated tracks */
tracknr = mmc_discinfo.first_track_last_session;
while (tracknr <= mmc_discinfo.last_track_last_session) {
ti.tracknr = tracknr;
error = udf_update_trackinfo(&mmc_discinfo, &ti);
if (error)
return error;
printf("\tClosing open track %d\n", tracknr);
memset(&op, 0, sizeof(op));
op.operation = MMC_OP_CLOSETRACK;
op.mmc_profile = mmc_discinfo.mmc_profile;
op.tracknr = tracknr;
error = ioctl(fd, MMCOP, &op);
if (error)
return error;
tracknr ++;
}
printf("Closing session\n");
memset(&op, 0, sizeof(op));
op.operation = MMC_OP_CLOSESESSION;
op.mmc_profile = mmc_discinfo.mmc_profile;
op.sessionnr = mmc_discinfo.num_sessions;
error = ioctl(fd, MMCOP, &op);
if (error)
return error;
/* update discinfo since it changed by the operations */
error = udf_update_discinfo(&mmc_discinfo);
if (error)
return error;
}
if (format_flags & FORMAT_TRACK512) {
/* get last track again */
ti.tracknr = mmc_discinfo.last_track_last_session;
error = udf_update_trackinfo(&mmc_discinfo, &ti);
if (error)
return error;
/* Split up the space at 512 for iso cd9660 hooking */
memset(&op, 0, sizeof(op));
op.operation = MMC_OP_RESERVETRACK_NWA; /* UPTO nwa */
op.mmc_profile = mmc_discinfo.mmc_profile;
op.extent = 512; /* size */
error = ioctl(fd, MMCOP, &op);
if (error)
return error;
}
return 0;
}
/* --------------------------------------------------------------------- */
int
udf_surface_check(void)
{
uint32_t loc, block_bytes;
uint32_t sector_size, blockingnr, bpos;
uint8_t *buffer;
int error, num_errors;
sector_size = context.sector_size;
blockingnr = layout.blockingnr;
block_bytes = layout.blockingnr * sector_size;
if ((buffer = malloc(block_bytes)) == NULL)
return ENOMEM;
/* set all one to not kill Flash memory? */
for (bpos = 0; bpos < block_bytes; bpos++)
buffer[bpos] = 0x00;
printf("\nChecking disc surface : phase 1 - writing\n");
num_errors = 0;
loc = layout.first_lba;
while (loc <= layout.last_lba) {
/* write blockingnr sectors */
error = pwrite(fd, buffer, block_bytes, loc*sector_size);
printf(" %08d + %d (%02d %%)\r", loc, blockingnr,
(int)((100.0 * loc)/layout.last_lba));
fflush(stdout);
if (error == -1) {
/* block is bad */
printf("BAD block at %08d + %d \n",
loc, layout.blockingnr);
if ((error = udf_register_bad_block(loc))) {
free(buffer);
return error;
}
num_errors ++;
}
loc += layout.blockingnr;
}
printf("\nChecking disc surface : phase 2 - reading\n");
num_errors = 0;
loc = layout.first_lba;
while (loc <= layout.last_lba) {
/* read blockingnr sectors */
error = pread(fd, buffer, block_bytes, loc*sector_size);
printf(" %08d + %d (%02d %%)\r", loc, blockingnr,
(int)((100.0 * loc)/layout.last_lba));
fflush(stdout);
if (error == -1) {
/* block is bad */
printf("BAD block at %08d + %d \n",
loc, layout.blockingnr);
if ((error = udf_register_bad_block(loc))) {
free(buffer);
return error;
}
num_errors ++;
}
loc += layout.blockingnr;
}
printf("Scan complete : %d bad blocks found\n", num_errors);
free(buffer);
return 0;
}
/* --------------------------------------------------------------------- */
static int
udf_do_newfs(void)
{
int error;
error = udf_do_newfs_prefix();
if (error)
return error;
error = udf_do_rootdir();
if (error)
return error;
error = udf_do_newfs_postfix();
return error;
}
/* --------------------------------------------------------------------- */
static void
usage(void)
{
(void)fprintf(stderr, "Usage: %s [-cFM] [-L loglabel] "
"[-P discid] [-S sectorsize] [-s size] [-p perc] "
"[-t gmtoff] [-v min_udf] [-V max_udf] special\n", getprogname());
exit(EXIT_FAILURE);
}
int
main(int argc, char **argv)
{
struct tm *tm;
struct stat st;
time_t now;
off_t setsize;
char scrap[255], *colon;
int ch, req_enable, req_disable, force;
int error;
setprogname(argv[0]);
/* initialise */
format_str = strdup("");
req_enable = req_disable = 0;
format_flags = FORMAT_INVALID;
force = 0;
check_surface = 0;
setsize = 0;
imagefile_secsize = 512; /* minimum allowed sector size */
emul_packetsize = 32; /* reasonable default */
srandom((unsigned long) time(NULL));
udf_init_create_context();
context.app_name = "*NetBSD newfs";
context.app_version_main = APP_VERSION_MAIN;
context.app_version_sub = APP_VERSION_SUB;
context.impl_name = IMPL_NAME;
/* minimum and maximum UDF versions we advise */
context.min_udf = 0x201;
context.max_udf = 0x201;
/* use user's time zone as default */
(void)time(&now);
tm = localtime(&now);
context.gmtoff = tm->tm_gmtoff;
/* process options */
while ((ch = getopt(argc, argv, "cFL:Mp:P:s:S:B:t:v:V:")) != -1) {
switch (ch) {
case 'c' :
check_surface = 1;
break;
case 'F' :
force = 1;
break;
case 'L' :
if (context.logvol_name) free(context.logvol_name);
context.logvol_name = strdup(optarg);
break;
case 'M' :
req_disable |= FORMAT_META;
break;
case 'p' :
meta_perc = a_num(optarg, "meta_perc");
/* limit to `sensible` values */
meta_perc = MIN(meta_perc, 99);
meta_perc = MAX(meta_perc, 1);
meta_fract = (float) meta_perc/100.0;
break;
case 'v' :
context.min_udf = a_udf_version(optarg, "min_udf");
if (context.min_udf > context.max_udf)
context.max_udf = context.min_udf;
break;
case 'V' :
context.max_udf = a_udf_version(optarg, "max_udf");
if (context.min_udf > context.max_udf)
context.min_udf = context.max_udf;
break;
case 'P' :
/* check if there is a ':' in the name */
if ((colon = strstr(optarg, ":"))) {
if (context.volset_name)
free(context.volset_name);
*colon = 0;
context.volset_name = strdup(optarg);
optarg = colon+1;
}
if (context.primary_name)
free(context.primary_name);
if ((strstr(optarg, ":"))) {
perror("primary name can't have ':' in its name");
return EXIT_FAILURE;
}
context.primary_name = strdup(optarg);
break;
case 's' :
/* support for files, set file size */
/* XXX support for formatting recordables on vnd/file? */
if (dehumanize_number(optarg, &setsize) < 0) {
perror("can't parse size argument");
return EXIT_FAILURE;
}
setsize = MAX(0, setsize);
break;
case 'S' :
imagefile_secsize = a_num(optarg, "secsize");
imagefile_secsize = MAX(512, imagefile_secsize);
break;
case 'B' :
emul_packetsize = a_num(optarg,
"blockingnr, packetsize");
emul_packetsize = MAX(emul_packetsize, 1);
emul_packetsize = MIN(emul_packetsize, 32);
break;
case 't' :
/* time zone overide */
context.gmtoff = a_num(optarg, "gmtoff");
break;
default :
usage();
/* NOTREACHED */
}
}
if (optind + 1 != argc)
usage();
/* get device and directory specifier */
dev = argv[optind];
/* open device */
if ((fd = open(dev, O_RDWR, 0)) == -1) {
/* check if we need to create a file */
fd = open(dev, O_RDONLY, 0);
if (fd > 0) {
perror("device is there but can't be opened for read/write");
return EXIT_FAILURE;
}
if (!force) {
perror("can't open device");
return EXIT_FAILURE;
}
if (setsize == 0) {
perror("need to create image file but no size specified");
return EXIT_FAILURE;
}
/* need to create a file */
fd = open(dev, O_RDWR | O_CREAT | O_TRUNC, 0777);
if (fd == -1) {
perror("can't create image file");
return EXIT_FAILURE;
}
}
/* stat the device */
if (fstat(fd, &st) != 0) {
perror("can't stat the device");
close(fd);
return EXIT_FAILURE;
}
if (S_ISREG(st.st_mode)) {
if (setsize == 0)
setsize = st.st_size;
/* sanitise arguments */
imagefile_secsize &= ~511;
setsize &= ~(imagefile_secsize-1);
if (ftruncate(fd, setsize)) {
perror("can't resize file");
return EXIT_FAILURE;
}
}
/* formatting can only be done on raw devices */
if (!S_ISREG(st.st_mode) && !S_ISCHR(st.st_mode)) {
printf("%s is not a raw device\n", dev);
close(fd);
return EXIT_FAILURE;
}
/* just in case something went wrong, synchronise the drive's cache */
udf_synchronise_caches();
/* get 'disc' information */
error = udf_update_discinfo(&mmc_discinfo);
if (error) {
perror("can't retrieve discinfo");
close(fd);
return EXIT_FAILURE;
}
/* derive disc identifiers when not specified and check given */
error = udf_proces_names();
if (error) {
/* error message has been printed */
close(fd);
return EXIT_FAILURE;
}
/* derive newfs disc format from disc profile */
error = udf_derive_format(req_enable, req_disable, force);
if (error) {
/* error message has been printed */
close(fd);
return EXIT_FAILURE;
}
udf_dump_discinfo(&mmc_discinfo);
printf("Formatting disc compatible with UDF version %x to %x\n\n",
context.min_udf, context.max_udf);
(void)snprintb(scrap, sizeof(scrap), FORMAT_FLAGBITS,
(uint64_t) format_flags);
printf("UDF properties %s\n", scrap);
printf("Volume set `%s'\n", context.volset_name);
printf("Primary volume `%s`\n", context.primary_name);
printf("Logical volume `%s`\n", context.logvol_name);
if (format_flags & FORMAT_META)
printf("Metadata percentage %d %%\n", meta_perc);
printf("\n");
/* prepare disc if nessisary (recordables mainly) */
error = udf_prepare_disc();
if (error) {
perror("preparing disc failed");
close(fd);
return EXIT_FAILURE;
};
/* setup sector writeout queue's */
TAILQ_INIT(&write_queue);
/* perform the newfs itself */
error = udf_do_newfs();
if (!error) {
/* write out sectors */
error = writeout_write_queue();
}
/* in any case, synchronise the drive's cache to prevent lockups */
udf_synchronise_caches();
close(fd);
if (error)
return EXIT_FAILURE;
return EXIT_SUCCESS;
}
/* --------------------------------------------------------------------- */
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