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101 lines
2.3 KiB
ObjectPascal
101 lines
2.3 KiB
ObjectPascal
{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by Michael Van Canneyt and Peter Vreman,
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members of the Free Pascal development team
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This file links to libc, and handles the libc errno abstraction.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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unit initc;
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interface
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{$linklib c}
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type libcint = longint;
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plibcint = ^libcint;
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function fpgetCerrno:libcint;
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procedure fpsetCerrno(err:libcint);
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{$ifdef HASGLOBALPROPERTY}
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property cerrno:libcint read fpgetCerrno write fpsetcerrno;
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{$endif HASGLOBALPROPERTY}
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implementation
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// hasn't been divided up in .inc's, because I first want to see hoe
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// this idea works out.
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{$ifdef UseOldErrnoDirectLink}
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Var
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interrno : libcint;external name 'h_errno';
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function fpgetCerrno:libcint;
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begin
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fpgetCerrno:=interrno;
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end;
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procedure fpsetCerrno(err:libcint);
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begin
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interrno:=err;
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end;
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{$else}
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const clib = 'c';
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{$ifdef Linux}
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function geterrnolocation: Plibcint; cdecl;external clib name '__errno_location';
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{$else}
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{$ifdef FreeBSD} // tested on x86
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function geterrnolocation: Plibcint; cdecl;external clib name '__error';
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{$else}
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{$ifdef NetBSD} // from a sparc dump.
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function geterrnolocation: Plibcint; cdecl;external clib name '__errno';
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{$else}
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{$endif}
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{$endif}
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{$endif}
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function fpgetCerrno:libcint;
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begin
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fpgetCerrno:=geterrnolocation^;
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end;
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procedure fpsetCerrno(err:libcint);
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begin
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geterrnolocation^:=err;
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end;
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{$endif}
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end.
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{
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$Log$
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Revision 1.8 2003-12-11 18:20:50 florian
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* replaced VER1_0 by HASGLOBALPROPERTY
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Revision 1.7 2003/12/10 17:14:27 marco
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* property support under ifndef ver1_0
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Revision 1.6 2003/12/10 17:06:19 marco
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* property support used.
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Revision 1.5 2003/12/10 14:59:49 marco
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* NetBSD supported added based on Sparc and define name changed to something more sensible
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Revision 1.4 2003/12/10 11:24:25 marco
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* get/setcerrno added
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Revision 1.3 2002/09/07 16:01:27 peter
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* old logs removed and tabs fixed
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}
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