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-- Topal: GPG/GnuPG and Alpine/Pine integration
-- Copyright (C) 2001--2012 Phillip J. Brooke
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License version 3 as
-- published by the Free Software Foundation.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
with Ada.Text_IO;
with Interfaces.C;
with Misc; use Misc;
package body Echo is
pragma Linker_Options("ada-echo-c.o");
function C_Set_Echo return Interfaces.C.int;
pragma Import(C, C_Set_Echo, "setecho");
function C_No_Echo return Interfaces.C.int;
pragma Import(C, C_No_Echo, "noechoT");
procedure Set_Echo is
Result : Interfaces.C.Int;
use type Interfaces.C.Int;
begin
Debug("Setting echo; input will be echoed");
Result := C_Set_Echo;
if Result /= 0 then
raise Operation_Failed;
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Echo.Set_Echo");
raise;
end Set_Echo;
procedure Clear_Echo is
Result : Interfaces.C.Int;
use type Interfaces.C.Int;
begin
Debug("Clearing echo; no input will be echoed");
Result := C_No_Echo;
if Result /= 0 then
raise Operation_Failed;
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Echo.Clear_Echo");
raise;
end Clear_Echo;
function C_Save_Terminal return Interfaces.C.int;
pragma Import(C, C_Save_Terminal, "saveTerminal");
function C_Restore_Terminal return Interfaces.C.int;
pragma Import(C, C_Restore_Terminal, "restoreTerminal");
procedure Save_Terminal is
Result : Interfaces.C.Int;
pragma Unreferenced(Result);
use type Interfaces.C.Int;
begin
Result := C_Save_Terminal;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Echo.Save_Terminal");
raise;
end Save_Terminal;
procedure Restore_Terminal is
Result : Interfaces.C.Int;
pragma Unreferenced(Result);
use type Interfaces.C.Int;
begin
Result := C_Restore_Terminal;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Echo.Restore_Terminal");
raise;
end Restore_Terminal;
end Echo;
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