97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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* Copyright (C) 2009 Karel Zak <kzak@redhat.com>
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*
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* This file may be redistributed under the terms of the
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* GNU Lesser General Public License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <blkid.h>
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#include "c.h"
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int main(int argc, char *argv[])
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{
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int i, nparts;
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char *devname;
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blkid_probe pr;
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blkid_partlist ls;
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blkid_parttable root_tab;
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if (argc < 2) {
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fprintf(stderr, "usage: %s <device|file> "
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"-- prints partitions\n",
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program_invocation_short_name);
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return EXIT_FAILURE;
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}
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devname = argv[1];
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pr = blkid_new_probe_from_filename(devname);
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if (!pr)
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err(EXIT_FAILURE, "%s: failed to create a new libblkid probe",
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devname);
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/* Binary interface */
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ls = blkid_probe_get_partitions(pr);
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if (!ls)
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errx(EXIT_FAILURE, "%s: failed to read partitions\n", devname);
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/*
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* Print info about the primary (root) partition table
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*/
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root_tab = blkid_partlist_get_table(ls);
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if (!root_tab)
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errx(EXIT_FAILURE, "%s: does not contains any "
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"known partition table\n", devname);
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printf("size: %jd, sector size: %u, PT: %s, offset: %jd, id=%s\n---\n",
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(intmax_t)blkid_probe_get_size(pr),
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blkid_probe_get_sectorsize(pr),
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blkid_parttable_get_type(root_tab),
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(intmax_t)blkid_parttable_get_offset(root_tab),
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blkid_parttable_get_id(root_tab));
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/*
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* List partitions
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*/
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nparts = blkid_partlist_numof_partitions(ls);
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if (!nparts)
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goto done;
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for (i = 0; i < nparts; i++) {
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const char *p;
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blkid_partition par = blkid_partlist_get_partition(ls, i);
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blkid_parttable tab = blkid_partition_get_table(par);
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printf("#%d: %10llu %10llu 0x%x",
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blkid_partition_get_partno(par),
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(unsigned long long) blkid_partition_get_start(par),
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(unsigned long long) blkid_partition_get_size(par),
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blkid_partition_get_type(par));
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if (root_tab != tab)
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/* subpartition (BSD, Minix, ...) */
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printf(" (%s)", blkid_parttable_get_type(tab));
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p = blkid_partition_get_name(par);
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if (p)
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printf(" name='%s'", p);
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p = blkid_partition_get_uuid(par);
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if (p)
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printf(" uuid='%s'", p);
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p = blkid_partition_get_type_string(par);
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if (p)
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printf(" type='%s'", p);
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putc('\n', stdout);
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}
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done:
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blkid_free_probe(pr);
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return EXIT_SUCCESS;
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}
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