use libblkid to get filesystem type
we can now use libblkid to detect exfat
diff --git a/libblkid/mbsalign.h b/libblkid/mbsalign.h
new file mode 100644
index 0000000..fd957b3
--- /dev/null
+++ b/libblkid/mbsalign.h
@@ -0,0 +1,45 @@
+/* Align/Truncate a string in a given screen width
+ Copyright (C) 2009-2010 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <stddef.h>
+
+typedef enum { MBS_ALIGN_LEFT, MBS_ALIGN_RIGHT, MBS_ALIGN_CENTER } mbs_align_t;
+
+enum {
+ /* Use unibyte mode for invalid multibyte strings or
+ or when heap memory is exhausted. */
+ MBA_UNIBYTE_FALLBACK = 0x0001,
+
+#if 0 /* Other possible options. */
+ /* Skip invalid multibyte chars rather than failing */
+ MBA_IGNORE_INVALID = 0x0002,
+
+ /* Align multibyte strings using "figure space" (\u2007) */
+ MBA_USE_FIGURE_SPACE = 0x0004,
+
+ /* Don't add any padding */
+ MBA_TRUNCATE_ONLY = 0x0008,
+
+ /* Don't truncate */
+ MBA_PAD_ONLY = 0x0010,
+#endif
+};
+
+extern size_t mbs_truncate(char *str, size_t *width);
+
+extern size_t mbsalign (const char *src, char *dest,
+ size_t dest_size, size_t *width,
+ mbs_align_t align, int flags);