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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2014 by Florian Klaempfl
and other members of the Free Pascal development team.
FPC Pascal system unit for OS/2.
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.
**********************************************************************}
{*****************************************************************************
Directory Handling
*****************************************************************************}
Procedure do_MkDir(s: rawbytestring);
var
Rc : word;
begin
DoDirSeparators(s);
Rc := DosCreateDir(pchar(s),nil);
if Rc <> 0 then
begin
InOutRes := Rc;
Errno2Inoutres;
OSErrorWatch (RC);
end;
end;
Procedure do_RmDir(s: rawbytestring);
var
Rc : word;
begin
if s = '.' then
begin
InOutRes := 16;
exit;
end;
DoDirSeparators(s);
Rc := DosDeleteDir(pchar(s));
if Rc <> 0 then
begin
InOutRes := Rc;
Errno2Inoutres;
OSErrorWatch (RC);
end;
end;
{$ASMMODE INTEL}
Procedure do_ChDir(s: rawbytestring);
var RC: cardinal;
Len: Longint;
begin
Len := Length (S);
if (Len >= 2) and (S[2] = ':') then
begin
RC := DosSetDefaultDisk ((Ord (S [1]) and not ($20)) - $40);
if RC <> 0 then
begin
InOutRes := RC;
OSErrorWatch (RC);
end
else
if Len > 2 then
begin
DoDirSeparators (s);
if (S [Len] = DirectorySeparator) and (Len <> 3) then
S [Len] := #0;
RC := DosSetCurrentDir (pchar (s));
if RC <> 0 then
begin
InOutRes := RC;
Errno2InOutRes;
OSErrorWatch (RC);
end;
end;
end else begin
DoDirSeparators (s);
if (Len > 1) and (S [Len] = DirectorySeparator) then
S [Len] := #0;
RC := DosSetCurrentDir (pchar (s));
if RC <> 0 then
begin
InOutRes:= RC;
Errno2InOutRes;
OSErrorWatch (RC);
end;
end;
end;
{$ASMMODE ATT}
procedure do_GetDir (DriveNr: byte; var Dir: RawByteString);
{Written by Michael Van Canneyt.}
var sof: Pchar;
i:byte;
l,l2:cardinal;
RC: cardinal;
begin
setlength(Dir,255);
Dir [4] := #0;
{ Used in case the specified drive isn't available }
sof:=pchar(@dir[4]);
{ dir[1..3] will contain '[drivenr]:\', but is not }
{ supplied by DOS, so we let dos string start at }
{ dir[4] }
{ Get dir from drivenr : 0=default, 1=A etc... }
{ TODO: if max path length is > 255, increase the setlength parameter above and
the 255 below }
l:=255-3;
RC := DosQueryCurrentDir(DriveNr, sof^, l);
if RC <> 0 then
begin
InOutRes := longint (RC);
Errno2Inoutres;
OSErrorWatch (RC);
end;
{$WARNING Result code should be translated in some cases!}
{ Now Dir should be filled with directory in ASCIIZ, }
{ starting from dir[4] }
dir[2]:=':';
dir[3]:='\';
i:=4;
{Conversion to Pascal string }
while (dir[i]<>#0) do
begin
{ convert path name to DOS }
if dir[i] in AllowDirectorySeparators then
dir[i]:=DirectorySeparator;
inc(i);
end;
setlength(dir,i-1);
{ upcase the string (FPC function) }
if drivenr<>0 then { Drive was supplied. We know it }
dir[1]:=chr(64+drivenr)
else
begin
{ We need to get the current drive from DOS function 19H }
{ because the drive was the default, which can be unknown }
DosQueryCurrentDisk(l, l2);
dir[1]:=chr(64+l);
end;
SetCodePage(dir,DefaultFileSystemCodePage,false);
if not (FileNameCasePreserving) then dir:=upcase(dir);
end;
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