mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-31 02:51:37 +01:00
94 lines
2.1 KiB
ObjectPascal
94 lines
2.1 KiB
ObjectPascal
{
|
|
$Id: initc.pp,v 1.12 2005/02/14 17:13:31 peter Exp $
|
|
This file is part of the Free Pascal run time library.
|
|
Copyright (c) 1999-2000 by Michael Van Canneyt and Peter Vreman,
|
|
members of the Free Pascal development team
|
|
|
|
This file links to libc, and handles the libc errno abstraction.
|
|
|
|
See the file COPYING.FPC, included in this distribution,
|
|
for details about the copyright.
|
|
|
|
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.
|
|
|
|
**********************************************************************}
|
|
unit initc;
|
|
interface
|
|
{$linklib c}
|
|
|
|
type libcint = longint;
|
|
plibcint = ^libcint;
|
|
|
|
function fpgetCerrno:libcint;
|
|
procedure fpsetCerrno(err:libcint);
|
|
|
|
{$ifdef HASGLOBALPROPERTY}
|
|
property cerrno:libcint read fpgetCerrno write fpsetcerrno;
|
|
{$endif HASGLOBALPROPERTY}
|
|
|
|
const clib = 'c';
|
|
|
|
implementation
|
|
// hasn't been divided up in .inc's, because I first want to see hoe
|
|
// this idea works out.
|
|
|
|
{$ifdef OpenBSD}
|
|
{$define UseOldErrnoDirectLink}
|
|
{$endif}
|
|
|
|
{$ifdef UseOldErrnoDirectLink}
|
|
Var
|
|
interrno : libcint;external name {$ifdef OpenBSD} '_errno' {$else} 'h_errno'{$endif};
|
|
|
|
function fpgetCerrno:libcint;
|
|
|
|
begin
|
|
fpgetCerrno:=interrno;
|
|
end;
|
|
|
|
procedure fpsetCerrno(err:libcint);
|
|
begin
|
|
interrno:=err;
|
|
end;
|
|
{$else}
|
|
|
|
|
|
{$ifdef Linux}
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__errno_location';
|
|
{$else}
|
|
{$ifdef FreeBSD} // tested on x86
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__error';
|
|
{$else}
|
|
{$ifdef NetBSD} // from a sparc dump.
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__errno';
|
|
{$else}
|
|
{$ifdef Darwin}
|
|
function geterrnolocation: Plibcint; cdecl;external clib name '__error';
|
|
{$endif}
|
|
{$endif}
|
|
{$endif}
|
|
{$endif}
|
|
|
|
function fpgetCerrno:libcint;
|
|
|
|
begin
|
|
fpgetCerrno:=geterrnolocation^;
|
|
end;
|
|
|
|
procedure fpsetCerrno(err:libcint);
|
|
begin
|
|
geterrnolocation^:=err;
|
|
end;
|
|
|
|
{$endif}
|
|
|
|
end.
|
|
{
|
|
$Log: initc.pp,v $
|
|
Revision 1.12 2005/02/14 17:13:31 peter
|
|
* truncate log
|
|
|
|
}
|