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ada-git-code

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(FS : in out Native_FS_Driver)
return File_Handle_Access
is
Result : File_Handle_Access := FS.Free_File_Handles;
begin
if Result = null then
Result := new File_Handle'
(FS => FS'Unrestricted_Access,
others => <>);
else
FS.Free_File_Handles := Result.Next;
end if;
return Result;
end Get_Handle;
----------------
-- Get_Handle --
----------------
function Get_Handle
(FS : in out Native_FS_Driver)
return Directory_Handle_Access
is
Result : Directory_Handle_Access := FS.Free_Dir_Handles;
begin
if Result = null then
Result := new Directory_Handle'
(FS => FS'Unrestricted_Access,
others => <>);
else
FS.Free_Dir_Handles := Result.Next;
end if;
return Result;
end Get_Handle;
---------------------
-- Add_Free_Handle --
---------------------
procedure Add_Free_Handle
(FS : in out Native_FS_Driver;
Handle : in out File_Handle_Access)
is
begin
Handle.Next := FS.Free_File_Handles;
FS.Free_File_Handles := Handle;
Handle := null;
end Add_Free_Handle;
---------------------
-- Add_Free_Handle --
---------------------
procedure Add_Free_Handle
(FS : in out Native_FS_Driver;
Handle : in out Directory_Handle_Access)
is
begin
Handle.Next := FS.Free_Dir_Handles;
FS.Free_Dir_Handles := Handle;
Handle := null;
end Add_Free_Handle;
-------------
-- Destroy --
-------------
procedure Destroy (This : in out Native_FS_Driver_Access) is
procedure Destroy is new Ada.Unchecked_Deallocation
(Native_FS_Driver, Native_FS_Driver_Access);
begin
-- Free all handles
while This.Free_File_Handles /= null loop
declare
H : constant File_Handle_Access := This.Free_File_Handles.Next;
begin
Destroy (This.Free_File_Handles);
This.Free_File_Handles := H;
Function Definition: procedure Draw_Glyph is new Hershey_Fonts.Draw_Glyph
Function Body: (Internal_Draw_Line);
Current : Point := Start;
begin
Buffer.Set_Source (Foreground);
for C of Msg loop
exit when Current.X > Buffer.Width;
Draw_Glyph
(Fnt => Font,
C => C,
X => Current.X,
Y => Current.Y,
Height => Height,
Bold => Bold);
end loop;
end Draw_String;
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