+
+let trace = ref false
+let set_trace_flag () = trace := true
+let trace () = !trace
+
+let connect_uri = ref None
+let set_connect_uri conn = connect_uri := conn
+let connect_uri () = !connect_uri
+
+let utf8_rarrow = "\xe2\x86\x92"
+
+let human_size i =
+ if i < 1024L then
+ sprintf "%Ld" i
+ else if i < 1024L *^ 1024L then
+ sprintf "%.1f KB" (Int64.to_float i /. 1024.)
+ else if i < 1024L *^ 1024L *^ 1024L then
+ sprintf "%.1f MB" (Int64.to_float i /. 1024. /. 1024.)
+ else if i < 1024L *^ 1024L *^ 1024L *^ 1024L then
+ sprintf "%.1f GB" (Int64.to_float i /. 1024. /. 1024. /. 1024.)
+ else
+ sprintf "%.1f TB" (Int64.to_float i /. 1024. /. 1024. /. 1024. /. 1024.)
+
+let human_size_1k i =
+ if i < 1024L then
+ sprintf "%Ld KB" i
+ else if i < 1024L *^ 1024L then
+ sprintf "%.1f MB" (Int64.to_float i /. 1024.)
+ else
+ sprintf "%.1f GB" (Int64.to_float i /. 1024. /. 1024.)
+
+let unique = let i = ref 0 in fun () -> incr i; !i
+
+let mklabel text =
+ (GMisc.label ~text () :> GObj.widget)
+
+(* XXX No binding for g_markup_escape in lablgtk2. *)
+let markup_escape name =
+ let f = function
+ | '&' -> "&" | '<' -> "<" | '>' -> ">"
+ | c -> String.make 1 c
+ in
+ String.replace_chars f name
+
+let libguestfs_version_string () =
+ let g = new Guestfs.guestfs () in
+ let v = g#version () in
+ let s =
+ sprintf "%Ld.%Ld.%Ld%s"
+ v.Guestfs.major v.Guestfs.minor v.Guestfs.release v.Guestfs.extra in
+ g#close ();
+ s
+
+let libvirt_version_string () =
+ let v = fst (Libvirt.get_version ()) in
+ sprintf "%d.%d.%d" (v / 1_000_000) ((v / 1_000) mod 1_000) (v mod 1_000)
+
+(* File type tests.
+ *
+ * Note these have to be on Linux ABI modes. We cannot use the
+ * OCaml (ie. host) equivalents here.
+ *)
+let rec file_type mask mode = Int64.logand mode 0o170000L = mask
+
+and is_socket mode = file_type 0o140000L mode
+and is_symlink mode = file_type 0o120000L mode
+and is_regular_file mode = file_type 0o100000L mode
+and is_block mode = file_type 0o060000L mode
+and is_directory mode = file_type 0o040000L mode
+and is_char mode = file_type 0o020000L mode
+and is_fifo mode = file_type 0o010000L mode
+
+and is_suid mode = test_bit 0o4000L mode
+and is_sgid mode = test_bit 0o2000L mode
+and is_svtx mode = test_bit 0o1000L mode
+
+and is_ru mode = test_bit 0o400L mode
+and is_wu mode = test_bit 0o200L mode
+and is_xu mode = test_bit 0o100L mode
+and is_rg mode = test_bit 0o040L mode
+and is_wg mode = test_bit 0o020L mode
+and is_xg mode = test_bit 0o010L mode
+and is_ro mode = test_bit 0o004L mode
+and is_wo mode = test_bit 0o002L mode
+and is_xo mode = test_bit 0o001L mode
+
+and test_bit mask mode = Int64.logand mode mask = mask