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thechaingamer
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ada-git-code

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procedure Split
(Path : String;
FS : out Any_Filesystem_Driver;
Start_Index : out Natural);
----------
-- Open --
----------
function Open
(File : in out File_Descriptor;
Name : String;
Mode : File_Mode)
return Status_Code
is
Ret : Status_Code;
begin
if Is_Open (File) then
return Invalid_Parameter;
end if;
Ret := Open (Name, Mode, File.Handle);
if Ret /= OK then
File.Handle := null;
end if;
return Ret;
end Open;
-----------
-- Close --
-----------
procedure Close (File : in out File_Descriptor) is
begin
if File.Handle /= null then
File.Handle.Close;
File.Handle := null;
end if;
end Close;
-------------
-- Is_Open --
-------------
function Is_Open
(File : File_Descriptor)
return Boolean
is (File.Handle /= null);
-----------
-- Flush --
-----------
function Flush
(File : File_Descriptor)
return Status_Code
is
begin
if File.Handle /= null then
return Convert (File.Handle.Flush);
else
return Invalid_Parameter;
end if;
end Flush;
----------
-- Size --
----------
function Size
(File : File_Descriptor)
return File_Size
is
begin
if File.Handle = null then
return 0;
else
return Convert (File.Handle.Size);
end if;
end Size;
----------
-- Read --
----------
function Read
(File : File_Descriptor;
Addr : System.Address;
Length : File_Size)
return File_Size
is
Ret : HALFS.File_Size;
Status : Status_Code;
begin
if File.Handle = null then
return 0;
end if;
Ret := Convert (Length);