X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Fextlib%2FhExtlib.ml;h=32f33bd2be735bbb3d5df18d4d63cc0c62e863e9;hb=54cffdf58a8480b2ee43d9c0a82213c1926b15e6;hp=8a0c8cf7d69fb5578d2a851e921d73d5a6546554;hpb=801f0eb3eabe1cbcd66d6a3f52c24eb8f1189611;p=helm.git

diff --git a/components/extlib/hExtlib.ml b/components/extlib/hExtlib.ml
index 8a0c8cf7d..32f33bd2b 100644
--- a/components/extlib/hExtlib.ml
+++ b/components/extlib/hExtlib.ml
@@ -27,7 +27,7 @@
 
 (** PROFILING *)
 
-let profiling_enabled = ComponentsConf.profiling
+let profiling_enabled = false ;; (* ComponentsConf.profiling *)
 
 let something_profiled = ref false
 
@@ -135,6 +135,10 @@ let is_alphanum c = is_alpha c || is_digit c
 
 (** {2 List processing} *)
 
+let flatten_map f l =
+  List.flatten (List.map f l)
+;;
+
 let rec list_uniq ?(eq=(=)) = function 
   | [] -> []
   | h::[] -> [h]
@@ -310,13 +314,16 @@ let find ?(test = fun _ -> true) path =
 let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
 
 let is_dir_empty d =
- let od = Unix.opendir d in
- let rec aux () =
-  let name = Unix.readdir od in
-  if name <> "." && name <> ".." then false else aux () in
- let res = try aux () with End_of_file -> true in
-  Unix.closedir od;
-  res
+ try
+  let od = Unix.opendir d in
+  let rec aux () =
+   let name = Unix.readdir od in
+   if name <> "." && name <> ".." then false else aux () in
+  let res = try aux () with End_of_file -> true in
+   Unix.closedir od;
+   res
+ with
+  Unix.Unix_error _ -> true (* raised by Unix.opendir, we hope :-) *)
 
 let safe_rmdir d = try Unix.rmdir d with Unix.Unix_error _ -> ()
 
@@ -365,3 +372,7 @@ let raise_localized_exception ~offset floc exn =
    { flocb with Lexing.pos_cnum = x }, { floce with Lexing.pos_cnum = y }
  in
   raise (Localized (floc, exn))
+
+let estimate_size x = 
+  4 * (String.length (Marshal.to_string x [])) / 1024
+