diff options
Diffstat (limited to 'lib/system.ml')
| -rw-r--r-- | lib/system.ml | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/lib/system.ml b/lib/system.ml index dfede29e..4bc56beb 100644 --- a/lib/system.ml +++ b/lib/system.ml @@ -83,7 +83,9 @@ let file_exists_respecting_case path f = let rec aux f = let bf = Filename.basename f in let df = Filename.dirname f in - (String.equal df "." || aux df) + (* When [df] is the same as [f], it means that the root of the file system + has been reached. There is no point in looking further up. *) + (String.equal df "." || String.equal f df || aux df) && exists_in_dir_respecting_case (Filename.concat path df) bf in (!trust_file_cache || Sys.file_exists (Filename.concat path f)) && aux f @@ -116,18 +118,6 @@ let where_in_path ?(warn=true) path filename = let f = Filename.concat lpe filename in if file_exists_respecting_case lpe filename then [lpe,f] else [])) -let where_in_path_rex path rex = - search path (fun lpe -> - try - let files = Sys.readdir lpe in - CList.map_filter (fun name -> - try - ignore(Str.search_forward rex name 0); - Some (lpe,Filename.concat lpe name) - with Not_found -> None) - (Array.to_list files) - with Sys_error _ -> []) - let find_file_in_path ?(warn=true) paths filename = if not (Filename.is_implicit filename) then (* the name is considered to be a physical name and we use the file @@ -312,3 +302,9 @@ let with_time ~batch f x = let msg2 = if batch then "" else " (failure)" in Feedback.msg_info (str msg ++ fmt_time_difference tstart tend ++ str msg2); raise e + +let get_toplevel_path top = + let dir = Filename.dirname Sys.executable_name in + let exe = if Sys.(os_type = "Win32" || os_type = "Cygwin") then ".exe" else "" in + let eff = if Dynlink.is_native then ".opt" else ".byte" in + dir ^ Filename.dir_sep ^ top ^ eff ^ exe |