Ejemplo n.º 1
0
/**
 * Return the nearest region to \p geom that satisfy a \p constraint.
 *
 * Note that "nearest" is somewhat ambiguous.  This function makes
 * no guarantees about how this ambiguity is resovled.
 *
 * \return PedGeometry, or NULL when a \p constrain cannot be satisfied
 */
PedGeometry*
ped_constraint_solve_nearest (
	const PedConstraint* constraint, const PedGeometry* geom)
{
	PedSector	start;
	PedSector	end;
	PedGeometry*	result;

	if (constraint == NULL)
		return NULL;

	PED_ASSERT (geom != NULL);
	PED_ASSERT (constraint->start_range->dev == geom->dev);

	start = _constraint_get_nearest_start_soln (constraint, geom->start);
	if (start == -1)
		return NULL;
	end = _constraint_get_nearest_end_soln (constraint, start, geom->end);
	if (end == -1)
		return NULL;

	result = ped_geometry_new (geom->dev, start, end - start + 1);
	if (!result)
		return NULL;
	PED_ASSERT (ped_constraint_is_solution (constraint, result));
	return result;
}
Ejemplo n.º 2
0
/**
 * Initializes a pre-allocated piece of memory to contain a constraint
 * with the supplied default values.
 *
 * \return \c 0 on failure.
 */
int
ped_constraint_init (
	PedConstraint* constraint,
	const PedAlignment* start_align,
	const PedAlignment* end_align,
	const PedGeometry* start_range,
	const PedGeometry* end_range,
	PedSector min_size,
	PedSector max_size)
{
	PED_ASSERT (constraint != NULL);
	PED_ASSERT (start_range != NULL);
	PED_ASSERT (end_range != NULL);
	PED_ASSERT (min_size > 0);
	PED_ASSERT (max_size > 0);

	constraint->start_align = ped_alignment_duplicate (start_align);
	constraint->end_align = ped_alignment_duplicate (end_align);
	constraint->start_range = ped_geometry_duplicate (start_range);
	constraint->end_range = ped_geometry_duplicate (end_range);
	constraint->min_size = min_size;
	constraint->max_size = max_size;

	return 1;
}
Ejemplo n.º 3
0
Archivo: ui.c Proyecto: bcl/parted
/* Signal handler for SIGSEGV using 'sigaction'. */
static void
sa_sigsegv_handler (int signum, siginfo_t* info, void* ucontext)
{
        fprintf (stderr, bug_msg, VERSION);
        _dump_history ();

        if (!info)
                abort ();

        sigaction (SIGSEGV, &sig_segv, NULL);

        switch (info->si_code) {

                case SEGV_MAPERR:
                        fputs(_("\nError: SEGV_MAPERR (Address not mapped "
                                "to object)\n"), stdout);
                        PED_ASSERT(0); /* Force a backtrace */
                        break;

                case SEGV_ACCERR:
                        fputs(_("\nError: SEGV_ACCERR (Invalid permissions "
                                "for mapped object)\n"), stdout);
                        break;

                default:
                        fputs(_("\nError: A general SIGSEGV signal was "
                                "encountered.\n"), stdout);
                        PED_ASSERT(0); /* Force a backtrace */
                        break;
        }

        abort ();
}
Ejemplo n.º 4
0
/* Same as fat_calc_sizes, except it only attempts to match a particular
 * cluster size.  This is useful, because the FAT resizer can only shrink the
 * cluster size.
 */
int
fat_calc_resize_sizes (
	const PedGeometry* geom,
	PedSector align,
	FatType fat_type,
	PedSector root_dir_sectors,
	PedSector cluster_sectors,
	PedSector* out_cluster_sectors,
	FatCluster* out_cluster_count,
	PedSector* out_fat_size)
{
	PED_ASSERT (geom != NULL);
	PED_ASSERT (out_cluster_sectors != NULL);
	PED_ASSERT (out_cluster_count != NULL);
	PED_ASSERT (out_fat_size != NULL);

/* libparted can only reduce the cluster size at this point */
	for (*out_cluster_sectors = cluster_sectors;
	     *out_cluster_sectors >= fat_min_cluster_size (fat_type);
	     *out_cluster_sectors /= 2) {
		if (calc_sizes (geom->length, align, fat_type, root_dir_sectors,
				*out_cluster_sectors,
				out_cluster_count, out_fat_size))
			return 1;
	}
	return 0;
}
Ejemplo n.º 5
0
/* when converting FAT32 -> FAT16
 * fat_duplicate clusters() duplicated the root directory unnecessarily.
 * Let's free it.
 *
 * This must be called AFTER fat_construct_new_fat().  (otherwise, our
 * changes just get overwritten)
 */
static int
free_root_dir (FatOpContext* ctx)
{
	FatSpecific*		old_fs_info = FAT_SPECIFIC (ctx->old_fs);
	FatSpecific*		new_fs_info = FAT_SPECIFIC (ctx->new_fs);
	FatCluster		old_cluster;
	FatFragment		i;

	PED_ASSERT (old_fs_info->fat_type == FAT_TYPE_FAT32);
	PED_ASSERT (new_fs_info->fat_type == FAT_TYPE_FAT16);

	for (old_cluster = old_fs_info->root_cluster;
	     !fat_table_is_eof (old_fs_info->fat, old_cluster);
	     old_cluster = fat_table_get (old_fs_info->fat, old_cluster)) {
		FatFragment old_frag;
		old_frag = fat_cluster_to_frag (ctx->old_fs, old_cluster);
		for (i = 0; i < new_fs_info->cluster_frags; i++) {
			FatFragment new_frag;
			FatCluster new_clst;
			new_frag = fat_op_context_map_fragment (ctx,
								old_frag + i);
			new_clst = fat_frag_to_cluster (ctx->old_fs, new_frag);
			if (!fat_table_set_avail (new_fs_info->fat, new_clst))
				return 0;
		}
	}

	return 1;
}
Ejemplo n.º 6
0
static int
amiga_partition_set_flag (PedPartition* part, PedPartitionFlag flag, int state)
{
	struct PartitionBlock *partition;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);

	partition = PART(part->disk_specific);

	switch (flag) {
		case PED_PARTITION_BOOT:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_BOOTABLE);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_BOOTABLE));
			return 1;
		case PED_PARTITION_HIDDEN:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_NOMOUNT);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_NOMOUNT));
			return 1;
		case PED_PARTITION_RAID:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_RAID);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_RAID));
			return 1;
		case PED_PARTITION_LVM:
			if (state) partition->pb_Flags |= PED_CPU_TO_BE32(PBFF_LVM);
			else partition->pb_Flags &= ~(PED_CPU_TO_BE32(PBFF_LVM));
			return 1;
		default:
			return 0;
	}
}
Ejemplo n.º 7
0
static int
bsd_partition_set_flag (PedPartition* part, PedPartitionFlag flag, int state)
{
//	PedPartition*		walk; // since -Werror, this unused variable would break build
	BSDPartitionData*	bsd_data;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);
	PED_ASSERT (part->disk != NULL);

	bsd_data = part->disk_specific;

	switch (flag) {
		case PED_PARTITION_BOOT:
			bsd_data->boot = state;
			return 1;
		case PED_PARTITION_RAID:
			if (state) {
				bsd_data->lvm = 0;
			}
			bsd_data->raid = state;
			return 1;
		case PED_PARTITION_LVM:
			if (state) {
				bsd_data->raid = 0;
			}
			bsd_data->lvm = state;
		default:
			;
	}
	return 0;
}
Ejemplo n.º 8
0
Archivo: pc98.c Proyecto: Excito/parted
static int
pc98_alloc_metadata (PedDisk* disk)
{
	PedPartition*		new_part;
	PedConstraint*		constraint_any = NULL;
	PedSector		cyl_size;

	PED_ASSERT (disk != NULL);
	PED_ASSERT (disk->dev != NULL);

	constraint_any = ped_constraint_any (disk->dev);

	cyl_size = disk->dev->hw_geom.sectors * disk->dev->hw_geom.heads;
	new_part = ped_partition_new (disk, PED_PARTITION_METADATA, NULL,
				      0, cyl_size - 1);
	if (!new_part)
		goto error;

	if (!ped_disk_add_partition (disk, new_part, constraint_any)) {
		ped_partition_destroy (new_part);
		goto error;
	}

	ped_constraint_destroy (constraint_any);
	return 1;

error:
	ped_constraint_destroy (constraint_any);
	return 0;
}
Ejemplo n.º 9
0
static int
amiga_alloc_metadata (PedDisk* disk)
{
	PedPartition*		new_part;
	PedConstraint*		constraint_any = NULL;

	PED_ASSERT (disk != NULL);
	PED_ASSERT (disk->dev != NULL);

	constraint_any = ped_constraint_any (disk->dev);

	/* Allocate space for the RDB */
	new_part = ped_partition_new (disk, PED_PARTITION_METADATA, NULL,
	                              0, MAX_RDB_BLOCK);
	if (!new_part)
		goto error;

	if (!ped_disk_add_partition (disk, new_part, constraint_any)) {
		ped_partition_destroy (new_part);
		goto error;
	}

	ped_constraint_destroy (constraint_any);
	return 1;
error:
	ped_constraint_destroy (constraint_any);
	return 0;
}
Ejemplo n.º 10
0
static int
amiga_partition_enumerate (PedPartition* part)
{
	int i;
	PedPartition* p;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk != NULL);

	/* never change the partition numbers */
	if (part->num != -1)
		return 1;
	for (i = 1; i <= AMIGA_MAX_PARTITIONS; i++) {
		p = ped_disk_get_partition (part->disk, i);
		if (!p) {
			part->num = i;
			return 1;
		}
	}

	/* failed to allocate a number */
#ifndef DISCOVER_ONLY
	ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
		_("Unable to allocate a partition number."));
#endif
	return 0;
}
Ejemplo n.º 11
0
static int
bsd_alloc_metadata (PedDisk* disk)
{
	PedPartition*		new_part;
	PedConstraint*		constraint_any = NULL;

	PED_ASSERT (disk != NULL);
	PED_ASSERT (disk->dev != NULL);

	constraint_any = ped_constraint_any (disk->dev);

	/* allocate 1 sector for the disk label at the start */
	new_part = ped_partition_new (disk, PED_PARTITION_METADATA, NULL, 0, 0);
	if (!new_part)
		goto error;

	if (!ped_disk_add_partition (disk, new_part, constraint_any)) {
		ped_partition_destroy (new_part);
		goto error;
	}

	ped_constraint_destroy (constraint_any);
	return 1;
error:
	ped_constraint_destroy (constraint_any);
	return 0;
}
Ejemplo n.º 12
0
static PedGeometry*
_generic_apfs_probe (PedGeometry* geom, uint32_t kind)
{
	uint32_t *block;
	PedSector root;
	struct PartitionBlock * part;
	uint32_t blocksize = 1, reserved = 2;

	PED_ASSERT (geom != NULL);
	PED_ASSERT (geom->dev != NULL);
	if (geom->dev->sector_size != 512)
		return NULL;

	/* Finds the blocksize and reserved values of the partition block */
	if (!(part = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("%s : Failed to allocate partition block\n"), __func__);
		goto error_part;
	}
	if (amiga_find_part(geom, part) != NULL) {
		reserved = PED_BE32_TO_CPU (part->de_Reserved);
		blocksize = PED_BE32_TO_CPU (part->de_SizeBlock)
			* PED_BE32_TO_CPU (part->de_SectorPerBlock) / 128;
	}
	free (part);

	/* Test boot block */
	if (!(block = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("%s : Failed to allocate block\n"), __func__);
		goto error_block;
	}
	if (!ped_device_read (geom->dev, block, geom->start, blocksize)) {
		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("%s : Couldn't read boot block %llu\n"), __func__, geom->start);
		goto error;
	}
	if (PED_BE32_TO_CPU (block[0]) != kind) {
		goto error;
	}

	/* Find and test the root block */
	root = geom->start+reserved*blocksize;
	if (!ped_device_read (geom->dev, block, root, blocksize)) {
		ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("%s : Couldn't read root block %llu\n"), __func__, root);
		goto error;
	}
	if (_apfs_probe_root(block, blocksize, kind) == 1) {
		free(block);
		return ped_geometry_duplicate (geom);
	}

error:
	free (block);
error_block:
error_part:
	return NULL;
}
Ejemplo n.º 13
0
Archivo: pc98.c Proyecto: Excito/parted
static int
pc98_read (PedDisk* disk)
{
	PED_ASSERT (disk != NULL);
	PED_ASSERT (disk->dev != NULL);

	ped_disk_delete_all (disk);
	return read_table (disk);
}
Ejemplo n.º 14
0
Archivo: pc98.c Proyecto: Excito/parted
static PedSector _GL_ATTRIBUTE_PURE
legacy_start (const PedDisk* disk, const PC98RawPartition* raw_part)
{
	PED_ASSERT (disk != NULL);
	PED_ASSERT (raw_part != NULL);

	return chs_to_sector (disk->dev, PED_LE16_TO_CPU(raw_part->cyl),
			      raw_part->head, raw_part->sector);
}
Ejemplo n.º 15
0
static void
amiga_free (PedDisk* disk)
{
	PED_ASSERT(disk != NULL);
	PED_ASSERT(disk->disk_specific != NULL);

	free (disk->disk_specific);
	_ped_disk_free (disk);
}
Ejemplo n.º 16
0
static void
amiga_partition_destroy (PedPartition* part)
{
	PED_ASSERT (part != NULL);

	if (ped_partition_is_active (part)) {
		PED_ASSERT (part->disk_specific != NULL);
		free (part->disk_specific);
	}
	_ped_partition_free (part);
}
Ejemplo n.º 17
0
void
ped_disk_amiga_init ()
{
	PED_ASSERT (sizeof (struct AmigaBlock) != 3);
	PED_ASSERT (sizeof (struct RigidDiskBlock) != 64);
	PED_ASSERT (sizeof (struct PartitionBlock) != 64);
	PED_ASSERT (sizeof (struct LinkedBlock) != 5);
	PED_ASSERT (sizeof (struct Linked2Block) != 18);

	ped_disk_type_register (&amiga_disk_type);
}
Ejemplo n.º 18
0
Archivo: pc98.c Proyecto: Excito/parted
static const char* _GL_ATTRIBUTE_PURE
pc98_partition_get_name (const PedPartition* part)
{
	PC98PartitionData*	pc98_data;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);
	pc98_data = part->disk_specific;

	return pc98_data->name;
}
Ejemplo n.º 19
0
static void
amiga_partition_set_name (PedPartition* part, const char* name)
{
	struct PartitionBlock *partition;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);

	partition = PART(part->disk_specific);
	_amiga_set_bstr(name, partition->pb_DriveName, 32);
}
Ejemplo n.º 20
0
static const char*
amiga_partition_get_name (const PedPartition* part)
{
	struct PartitionBlock *partition;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);

	partition = PART(part->disk_specific);

	return _amiga_get_bstr(partition->pb_DriveName);
}
Ejemplo n.º 21
0
/* Reads in the boot sector (superblock), and does a minimum of sanity
 * checking.  The goals are:
 *	- to detect fat file systems, even if they are damaged [i.e. not
 * return an error / throw an exception]
 *	- to fail detection if there's not enough information for
 * fat_boot_sector_probe_type() to work (or possibly crash on a divide-by-zero)
 */
int
fat_boot_sector_read (FatBootSector* bs, const PedGeometry *geom)
{
	PED_ASSERT (bs != NULL);
	PED_ASSERT (geom != NULL);

	if (!ped_geometry_read (geom, bs, 0, 1))
		return 0;

	if (PED_LE16_TO_CPU (bs->boot_sign) != 0xAA55) {
		ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("File system has an invalid signature for a FAT "
			  "file system."));
		return 0;
	}

	if (!bs->system_id[0]) {
		ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("File system has an invalid signature for a FAT "
			  "file system."));
		return 0;
	}

	if (!bs->sector_size
            || PED_LE16_TO_CPU (bs->sector_size) % PED_SECTOR_SIZE_DEFAULT) {
		ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("File system has an invalid sector size for a FAT "
			  "file system."));
		return 0;
	}

	if (!bs->cluster_size) {
		ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("File system has an invalid cluster size for a FAT "
			  "file system."));
		return 0;
	}

	if (!bs->reserved) {
		ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("File system has an invalid number of reserved "
			  "sectors for a FAT file system."));
		return 0;
	}

	if (bs->fats < 1 || bs->fats > 4) {
		ped_exception_throw (PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
			_("File system has an invalid number of FATs."));
		return 0;
	}

	return 1;
}
Ejemplo n.º 22
0
static int
calc_sizes (PedSector size, PedSector align, FatType fat_type,
	    PedSector root_dir_sectors, PedSector cluster_sectors,
	    FatCluster* out_cluster_count, PedSector* out_fat_size)
{
	PedSector	data_fat_space; /* space available to clusters + FAT */
	PedSector	fat_space;	/* space taken by each FAT */
	PedSector	cluster_space;	/* space taken by clusters */
	FatCluster	cluster_count;
	int		i;

	PED_ASSERT (out_cluster_count != NULL);
	PED_ASSERT (out_fat_size != NULL);

	data_fat_space = size - fat_min_reserved_sector_count (fat_type)
			 - align;
	if (fat_type == FAT_TYPE_FAT16)
		data_fat_space -= root_dir_sectors;

	fat_space = 0;
	for (i = 0; i < 2; i++) {
		if (fat_type == FAT_TYPE_FAT32)
			cluster_space = data_fat_space - fat_space;
		else
			cluster_space = data_fat_space - 2 * fat_space;

		cluster_count = cluster_space / cluster_sectors;
		fat_space = ped_div_round_up (cluster_count + 2,
					      entries_per_sector (fat_type));
	}

	cluster_space = data_fat_space - 2 * fat_space;
	cluster_count = cluster_space / cluster_sectors;

	/* looks like this should be part of the loop condition?
	 * Need to build the Big Table TM again to check
	 */
	if (fat_space < ped_div_round_up (cluster_count + 2,
				          entries_per_sector (fat_type))) {
		fat_space = ped_div_round_up (cluster_count + 2,
					      entries_per_sector (fat_type));
	}

	if (cluster_count > fat_max_cluster_count (fat_type)
	    || cluster_count < fat_min_cluster_count (fat_type))
		return 0;

	*out_cluster_count = cluster_count;
	*out_fat_size = fat_space;

	return 1;
}
Ejemplo n.º 23
0
static int
_amiga_find_free_blocks(const PedDisk *disk, uint32_t *table,
	struct LinkedBlock *block, uint32_t first, uint32_t type)
{
	PedSector next;

	PED_ASSERT(disk != NULL);
	PED_ASSERT(disk->dev != NULL);

	for (next = first; next != LINK_END; next = PED_BE32_TO_CPU(block->lk_Next)) {
		if (table[next] != IDNAME_FREE) {
			switch (ped_exception_throw(PED_EXCEPTION_ERROR,
				PED_EXCEPTION_FIX | PED_EXCEPTION_IGNORE | PED_EXCEPTION_CANCEL,
				_("%s : Loop detected at block %d."), __func__, next))
			{
				case PED_EXCEPTION_CANCEL :
					return 0;
				case PED_EXCEPTION_FIX :
					/* TODO : Need to add fixing code */
				case PED_EXCEPTION_IGNORE :
				case PED_EXCEPTION_UNHANDLED :
				default :
					return 1;
			}
		}

		if (!_amiga_read_block (disk->dev, AMIGA(block), next, NULL)) {
			return 0;
		}
		if (PED_BE32_TO_CPU(block->lk_ID) != type) {
			switch (ped_exception_throw(PED_EXCEPTION_ERROR,
				PED_EXCEPTION_CANCEL,
				_("%s : The %s list seems bad at block %s."),
				__func__, _amiga_block_id(PED_BE32_TO_CPU(block->lk_ID)), next))
			{
				/* TODO : to more subtile things here */
				case PED_EXCEPTION_CANCEL :
				case PED_EXCEPTION_UNHANDLED :
				default :
					return 0;
			}
		}
		table[next] = type;
		if (PED_BE32_TO_CPU(block->lk_ID) == IDNAME_FILESYSHEADER) {
			if (_amiga_find_free_blocks(disk, table, block,
				PED_BE32_TO_CPU(LNK2(block)->lk2_Linked),
				IDNAME_LOADSEG) == 0) return 0;
		}
	}
	return 1;
}
Ejemplo n.º 24
0
int
fat_calc_sizes (PedSector size, PedSector align, FatType fat_type,
		PedSector root_dir_sectors,
		PedSector* out_cluster_sectors, FatCluster* out_cluster_count,
		PedSector* out_fat_size)
{
	PedSector	cluster_sectors;

	PED_ASSERT (out_cluster_sectors != NULL);
	PED_ASSERT (out_cluster_count != NULL);
	PED_ASSERT (out_fat_size != NULL);

	for (cluster_sectors = fat_recommend_min_cluster_size (fat_type, size);
	     cluster_sectors <= fat_max_cluster_size (fat_type);
	     cluster_sectors *= 2) {
		if (calc_sizes (size, align, fat_type, root_dir_sectors,
				cluster_sectors,
			        out_cluster_count, out_fat_size)) {
			*out_cluster_sectors = cluster_sectors;
			return 1;
		}
	}

	for (cluster_sectors = fat_recommend_min_cluster_size (fat_type, size);
	     cluster_sectors >= fat_min_cluster_size (fat_type);
	     cluster_sectors /= 2) {
		if (calc_sizes (size, align, fat_type, root_dir_sectors,
				cluster_sectors,
			        out_cluster_count, out_fat_size)) {
			*out_cluster_sectors = cluster_sectors;
			return 1;
		}
	}

	/* only make the cluster size really small (<4k) if a bigger one is
	 * isn't possible.  Windows never makes FS's like this, but it
	 * seems to work...  (do more tests!)
	 */
	for (cluster_sectors = 4; cluster_sectors > 0; cluster_sectors /= 2) {
		if (calc_sizes (size, align, fat_type, root_dir_sectors,
				cluster_sectors,
				out_cluster_count, out_fat_size)) {
			*out_cluster_sectors = cluster_sectors;
			return 1;
		}
	}

	return 0;
}
Ejemplo n.º 25
0
int
fat_boot_sector_set_boot_code (FatBootSector** bsp, const PedFileSystem* fs)
{
	FatSpecific*	fs_info = FAT_SPECIFIC (fs);

	PED_ASSERT (bsp != NULL);
	*bsp = ped_malloc (fs->geom->dev->sector_size);
	FatBootSector *bs = *bsp;
	PED_ASSERT (bs != NULL);

	memset (bs, 0, 512);
	memcpy (bs->boot_jump, FAT_BOOT_JUMP, 3);
	memcpy (bs->u.fat32.boot_code, FAT_BOOT_CODE, FAT_BOOT_CODE_LENGTH);
	return 1;
}
Ejemplo n.º 26
0
Archivo: pc98.c Proyecto: Excito/parted
static void
pc98_partition_set_name (PedPartition* part, const char* name)
{
	PC98PartitionData*	pc98_data;
	int			i;

	PED_ASSERT (part != NULL);
	PED_ASSERT (part->disk_specific != NULL);
	pc98_data = part->disk_specific;

	strncpy (pc98_data->name, name, 16);
	pc98_data->name [16] = 0;
	for (i = strlen (pc98_data->name) - 1; pc98_data->name[i] == ' '; i--)
		pc98_data->name [i] = 0;
}
Ejemplo n.º 27
0
static int
bsd_write (const PedDisk* disk)
{
	BSDDiskData*		bsd_specific;
	BSDRawLabel*		label;
	BSDPartitionData*	bsd_data;
	PedPartition*		part;
	int			i;
	int			max_part = 0;

	PED_ASSERT (disk != NULL);
	PED_ASSERT (disk->dev != NULL);

	bsd_specific = (BSDDiskData*) disk->disk_specific;
	label = (BSDRawLabel *) (bsd_specific->boot_code + BSD_LABEL_OFFSET);

	if (!bsd_specific->boot_code [0])
		_probe_and_add_boot_code (disk);

	memset (label->d_partitions, 0,
		sizeof (BSDRawPartition) * BSD_MAXPARTITIONS);

	for (i = 1; i <= BSD_MAXPARTITIONS; i++) {
		part = ped_disk_get_partition (disk, i);
		if (!part)
			continue;
		bsd_data = part->disk_specific;
		label->d_partitions[i - 1].p_fstype = bsd_data->type;
		label->d_partitions[i - 1].p_offset
			= PED_CPU_TO_LE32 (part->geom.start);
		label->d_partitions[i - 1].p_size
			= PED_CPU_TO_LE32 (part->geom.length);
		max_part = i;
	}

	label->d_npartitions = PED_CPU_TO_LE16 (max_part) + 1;
	label->d_checksum = xbsd_dkcksum (label);

	alpha_bootblock_checksum (bsd_specific->boot_code);

        if (!ptt_write_sector (disk, bsd_specific->boot_code,
                               sizeof (BSDDiskData)))
                goto error;
	return ped_device_sync (disk->dev);

error:
	return 0;
}
Ejemplo n.º 28
0
static int
read_next_dir_buffer (FatTraverseInfo* trav_info)
{
	FatSpecific*	fs_info = FAT_SPECIFIC (trav_info->fs);

	PED_ASSERT (!trav_info->is_legacy_root_dir);

	trav_info->this_buffer = trav_info->next_buffer;

	if (trav_info->this_buffer < 2
	    || trav_info->this_buffer >= fs_info->cluster_count + 2) {
		ped_exception_throw (
			PED_EXCEPTION_ERROR,
			PED_EXCEPTION_CANCEL,
			"Cluster %ld in directory %s is outside file system!",
			(long) trav_info->this_buffer,
			trav_info->dir_name);
		return 0;
	}

	trav_info->next_buffer
		= fat_table_get (fs_info->fat, trav_info->this_buffer);

	return fat_read_cluster (trav_info->fs, (void *) trav_info->dir_entries,
				 trav_info->this_buffer);
}
Ejemplo n.º 29
0
Archivo: loop.c Proyecto: Excito/parted
static void
loop_free (PedDisk* disk)
{
	PED_ASSERT (disk != NULL);

	_ped_disk_free (disk);
}
Ejemplo n.º 30
0
Archivo: dasd.c Proyecto: bcl/parted
static int
dasd_partition_align (PedPartition* part, const PedConstraint* constraint)
{
	DasdDiskSpecific* disk_specific;

	PED_ASSERT (part != NULL);

	disk_specific = part->disk->disk_specific;
	/* If formated in LDL, ignore metadata partition */
	if (disk_specific->format_type == 1)
		return 1;

	if (_ped_partition_attempt_align(part, constraint,
								     _primary_constraint(part->disk)))
		return 1;

#ifndef DISCOVER_ONLY
	ped_exception_throw (
		PED_EXCEPTION_ERROR,
		PED_EXCEPTION_CANCEL,
		_("Unable to satisfy all constraints on the partition."));
#endif

	return 0;
}