Datasets:
thechaingamer
/
ada-git-code

Dataset card Data Studio Files
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is
L : HALFS.File_Size := T'Size / 8;
begin
if File.Handle /= null then
return Convert (File.Handle.Read (Value'Address, L));
else
return Invalid_Parameter;
end if;
end Generic_Read;
----------
-- Open --
----------
function Open
(Dir : in out Directory_Descriptor;
Name : String)
return Status_Code
is
Ret : Status_Code;
begin
if Dir.Handle /= null then
return Invalid_Parameter;
end if;
Ret := Open (Name, Dir.Handle);
if Ret /= OK then
Dir.Handle := null;
end if;
return Ret;
end Open;
-----------
-- Close --
-----------
procedure Close (Dir : in out Directory_Descriptor) is
begin
if Dir.Handle /= null then
Dir.Handle.Close;
end if;
end Close;
----------
-- Read --
----------
function Read (Dir : in out Directory_Descriptor)
return Directory_Entry
is
Node : Any_Node_Handle;
Status : Status_Code;
begin
if Dir.Handle = null then
return Invalid_Dir_Entry;
end if;
Status := Convert (Dir.Handle.Read (Node));
if Status /= OK then
return Invalid_Dir_Entry;
end if;
declare
Name : constant String := Node.Basename;
Ret : Directory_Entry (Name_Length => Name'Length);
begin
Ret.Name := Name;
Ret.Subdirectory := Node.Is_Subdirectory;
Ret.Read_Only := Node.Is_Read_Only;
Ret.Hidden := Node.Is_Hidden;
Ret.Symlink := Node.Is_Symlink;
Ret.Size := Convert (Node.Size);
Node.Close;
return Ret;
Function Definition: function To_Data is new Ada.Unchecked_Conversion
Function Body: (FAT_Directory_Entry, Entry_Data);
function To_Data is new Ada.Unchecked_Conversion
(VFAT_Directory_Entry, Entry_Data);
function Find_Empty_Entry_Sequence
(Parent : access FAT_Directory_Handle;
Num_Entries : Natural) return Entry_Index;
-- Finds a sequence of deleted entries that can fit Num_Entries.
-- Returns the first entry of this sequence
--------------
-- Set_Size --
--------------
procedure Set_Size
(E : in out FAT_Node;
Size : FAT_File_Size)
is
begin
if E.Size /= Size then
E.Size := Size;
E.Is_Dirty := True;
end if;