+ 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)
+
+(* g_markup_escape is not bound by lablgtk2, but we want to provide
+ * extra protection for \0 characters appearing in the string
+ * anyway.
+ *)
+let markup_escape name =
+ let f = function
+ | '&' -> "&" | '<' -> "<" | '>' -> ">"
+ | '\000' -> "\\0"
+ | 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
+
+let tmpdir () =
+ let chan = open_in "/dev/urandom" in
+ let data = String.create 16 in
+ really_input chan data 0 (String.length data);
+ close_in chan;
+ let data = Digest.to_hex (Digest.string data) in
+ (* Note this is secure, because if the name already exists, even as a
+ * symlink, mkdir(2) will fail.
+ *)
+ let tmpdir = Filename.temp_dir_name // sprintf "febootstrap%s.tmp" data in
+ Unix.mkdir tmpdir 0o700;
+ at_exit
+ (fun () ->
+ let cmd = sprintf "rm -rf %s" (Filename.quote tmpdir) in
+ ignore (Sys.command cmd));
+ tmpdir
+
+let utf16le = CharEncoding.utf16le
+let utf8 = CharEncoding.utf8
+let recode = CharEncoding.recode_string ~in_enc:utf16le ~out_enc:utf8
+
+let windows_string_to_utf8 str =
+ let str = recode str in
+
+ (* Windows strings include the final \0 so remove this if present. *)
+ let len = UTF8.length str in
+ if len > 0 && UChar.code (UTF8.get str (len-1)) = 0 then
+ String.sub str 0 (UTF8.last str)