use libblkid to get filesystem type
we can now use libblkid to detect exfat
diff --git a/libblkid/minix2.c b/libblkid/minix2.c
new file mode 100644
index 0000000..bd57a6d
--- /dev/null
+++ b/libblkid/minix2.c
@@ -0,0 +1,100 @@
+/*
+ * Minix partition parsing code
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "partitions.h"
+#include "dos.h"
+#include "minix.h"
+
+static int probe_minix_pt(blkid_probe pr,
+ const struct blkid_idmag *mag __attribute__((__unused__)))
+{
+ struct dos_partition *p;
+ blkid_parttable tab = NULL;
+ blkid_partition parent;
+ blkid_partlist ls;
+ unsigned char *data;
+ int i;
+
+ data = blkid_probe_get_sector(pr, 0);
+ if (!data)
+ goto nothing;
+
+ ls = blkid_probe_get_partlist(pr);
+ if (!ls)
+ goto err;
+
+ /* Parent is required, because Minix uses the same PT as DOS and
+ * difference is only in primary partition (parent) type.
+ */
+ parent = blkid_partlist_get_parent(ls);
+ if (!parent)
+ goto nothing;
+
+ if (blkid_partition_get_type(parent) != BLKID_MINIX_PARTITION)
+ goto nothing;
+
+ if (blkid_partitions_need_typeonly(pr))
+ /* caller does not ask for details about partitions */
+ return 0;
+
+ p = (struct dos_partition *) (data + BLKID_MSDOS_PT_OFFSET);
+
+ tab = blkid_partlist_new_parttable(ls, "minix", BLKID_MSDOS_PT_OFFSET);
+ if (!tab)
+ goto err;
+
+ for (i = 0; i < MINIX_MAXPARTITIONS; i++, p++) {
+ uint32_t start, size;
+ blkid_partition par;
+
+ if (p->sys_type != BLKID_MINIX_PARTITION)
+ continue;
+
+ start = dos_partition_start(p);
+ size = dos_partition_size(p);
+
+ if (parent && !blkid_is_nested_dimension(parent, start, size)) {
+ DBG(DEBUG_LOWPROBE, printf(
+ "WARNING: minix partition (%d) overflow "
+ "detected, ignore\n", i));
+ continue;
+ }
+
+ par = blkid_partlist_add_partition(ls, tab, start, size);
+ if (!par)
+ goto err;
+
+ blkid_partition_set_type(par, p->sys_type);
+ blkid_partition_set_flags(par, p->boot_ind);
+ }
+
+ return 0;
+
+nothing:
+ return 1;
+err:
+ return -1;
+}
+
+/* same as DOS */
+const struct blkid_idinfo minix_pt_idinfo =
+{
+ .name = "minix",
+ .probefunc = probe_minix_pt,
+ .magics =
+ {
+ { .magic = "\x55\xAA", .len = 2, .sboff = 510 },
+ { NULL }
+ }
+};
+