/*
 * Copyright (C) 2009 Karel Zak <kzak@redhat.com>
 *
 * This file may be redistributed under the terms of the
 * GNU Lesser General Public License.
 */

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <err.h>
#include <errno.h>

#include <blkid.h>

int main(int argc, char *argv[])
{
	int i, nparts;
	char *devname;
	blkid_probe pr;
	blkid_partlist ls;
	blkid_parttable root_tab = NULL;

	if (argc < 2) {
		fprintf(stderr, "usage: %s <device|file>  "
				"-- prints partitions\n",
				argv[0]);
		return EXIT_FAILURE;
	}

	devname = argv[1];
	pr = blkid_new_probe_from_filename(devname);
	if (!pr)
		err(EXIT_FAILURE, "%s: faild to create a new libblkid probe",
				devname);
	/* Binary interface */
	ls = blkid_probe_get_partitions(pr);
	if (!ls)
		errx(EXIT_FAILURE, "%s: failed to read partitions\n", devname);

	nparts = blkid_partlist_numof_partitions(ls);
	if (!nparts)
		 errx(EXIT_FAILURE, "%s: does not contains any "
				 "known partition table\n", devname);

	for (i = 0; i < nparts; i++) {
		const char *p;
		blkid_partition par = blkid_partlist_get_partition(ls, i);
		blkid_parttable tab = blkid_partition_get_table(par);

		if (i == 0) {
			root_tab = tab;
			printf("size: %llu, sector size: %u, "
					"PT: %s, offset: %llu\n---\n",
				(unsigned long long) blkid_probe_get_size(pr),
				blkid_probe_get_sectorsize(pr),
				blkid_parttable_get_type(tab),
				(unsigned long long) blkid_parttable_get_offset(tab));
		}
		printf("#%d: %10llu %10llu  0x%x",
			blkid_partition_get_partno(par),
			(unsigned long long) blkid_partition_get_start(par),
			(unsigned long long) blkid_partition_get_size(par),
			blkid_partition_get_type(par));

		if (root_tab != tab)
			/* subpartition */
			printf(" (%s)", blkid_parttable_get_type(tab));

		p = blkid_partition_get_name(par);
		if (p)
			printf(" name='%s'", p);
		p = blkid_partition_get_uuid(par);
		if (p)
			printf(" uuid='%s'", p);
		p = blkid_partition_get_type_string(par);
		if (p)
			printf(" type='%s'", p);

		putc('\n', stdout);
	}

	blkid_free_probe(pr);

	return EXIT_SUCCESS;
}