--- /dev/null
+(* virt-sparsify
+ * Copyright (C) 2010-2011 Red Hat 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *)
+
+(* XXX This was copied from virt-resize, and probably some of the
+ functions here are not used in virt-sparsify and could be
+ deleted. *)
+
+open Printf
+
+module G = Guestfs
+
+let (//) = Filename.concat
+
+let ( +^ ) = Int64.add
+let ( -^ ) = Int64.sub
+let ( *^ ) = Int64.mul
+let ( /^ ) = Int64.div
+let ( &^ ) = Int64.logand
+let ( ~^ ) = Int64.lognot
+
+let output_spaces chan n = for i = 0 to n-1 do output_char chan ' ' done
+
+let wrap ?(chan = stdout) ?(hanging = 0) str =
+ let rec _wrap col str =
+ let n = String.length str in
+ let i = try String.index str ' ' with Not_found -> n in
+ let col =
+ if col+i >= 72 then (
+ output_char chan '\n';
+ output_spaces chan hanging;
+ i+hanging+1
+ ) else col+i+1 in
+ output_string chan (String.sub str 0 i);
+ if i < n then (
+ output_char chan ' ';
+ _wrap col (String.sub str (i+1) (n-(i+1)))
+ )
+ in
+ _wrap 0 str
+
+let string_prefix str prefix =
+ let n = String.length prefix in
+ String.length str >= n && String.sub str 0 n = prefix
+
+let string_random8 =
+ let chars = "abcdefghijklmnopqrstuvwxyz0123456789" in
+ fun () ->
+ String.concat "" (
+ List.map (
+ fun _ ->
+ let c = Random.int 36 in
+ let c = chars.[c] in
+ String.make 1 c
+ ) [1;2;3;4;5;6;7;8]
+ )
+
+let error fs =
+ let display str =
+ wrap ~chan:stderr ("virt-sparsify: error: " ^ str);
+ prerr_newline ();
+ prerr_newline ();
+ wrap ~chan:stderr
+ "If reporting bugs, run virt-sparsify with the '-v' and '-x' options and include the complete output.";
+ prerr_newline ();
+ exit 1
+ in
+ ksprintf display fs
+
+(* The reverse of device name translation, see
+ * BLOCK DEVICE NAMING in guestfs(3).
+ *)
+let canonicalize dev =
+ if String.length dev >= 8 &&
+ dev.[0] = '/' && dev.[1] = 'd' && dev.[2] = 'e' && dev.[3] = 'v' &&
+ dev.[4] = '/' && (dev.[5] = 'h' || dev.[5] = 'v') && dev.[6] = 'd' then (
+ let dev = String.copy dev in
+ dev.[5] <- 's';
+ dev
+ )
+ else
+ dev
+
+let feature_available (g : Guestfs.guestfs) names =
+ try g#available names; true
+ with G.Error _ -> false
+
+let human_size i =
+ let sign, i = if i < 0L then "-", Int64.neg i else "", i in
+
+ if i < 1024L then
+ sprintf "%s%Ld" sign i
+ else (
+ let f = Int64.to_float i /. 1024. in
+ let i = i /^ 1024L in
+ if i < 1024L then
+ sprintf "%s%.1fK" sign f
+ else (
+ let f = Int64.to_float i /. 1024. in
+ let i = i /^ 1024L in
+ if i < 1024L then
+ sprintf "%s%.1fM" sign f
+ else (
+ let f = Int64.to_float i /. 1024. in
+ (*let i = i /^ 1024L in*)
+ sprintf "%s%.1fG" sign f
+ )
+ )
+ )