btrfs-progs: define BTRFS_UUID_UNPARSE_SIZE for uuid unparse buf size

we use 37 as the allocation size to hold the uuid_unparse, here
it defines BTRFS_UUID_UNPARSE_SIZE for the same.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/utils.h b/utils.h
index b38bd3a2..512c51b3 100644
--- a/utils.h
+++ b/utils.h
@@ -37,6 +37,8 @@
 #define BTRFS_ARG_UUID		2
 #define BTRFS_ARG_BLKDEV	3
 
+#define BTRFS_UUID_UNPARSED_SIZE	37
+
 int make_btrfs(int fd, const char *device, const char *label,
 	       u64 blocks[6], u64 num_bytes, u32 nodesize,
 	       u32 leafsize, u32 sectorsize, u32 stripesize, u64 features);