fpc/rtl/morphos/sysdir.inc
2010-01-04 23:49:46 +00:00

96 lines
2.6 KiB
PHP

{
This file is part of the Free Pascal run time library.
Copyright (c) 2006 by Free Pascal development team
Low level directory functions
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 MkDir(s: pchar;len:sizeuint);[IOCheck, public, alias : 'FPC_SYS_MKDIR'];
var
tmpStr : array[0..255] of char;
tmpLock: LongInt;
begin
checkCTRLC;
if not assigned(s) or (len=0) or (InOutRes<>0) then exit;
tmpStr:=PathConv(strpas(s))+#0;
tmpLock:=dosCreateDir(@tmpStr);
if tmpLock=0 then begin
dosError2InOut(IoErr);
exit;
end;
UnLock(tmpLock);
end;
Procedure RmDir(s: pchar;len:sizeuint);[IOCheck, public, alias : 'FPC_SYS_RMDIR'];
var
tmpStr : array[0..255] of Char;
begin
checkCTRLC;
if not assigned(s) or (len=0) then exit;
if (s='.') then InOutRes:=16;
If (s='') or (InOutRes<>0) then exit;
tmpStr:=PathConv(strpas(s))+#0;
if not dosDeleteFile(@tmpStr) then
dosError2InOut(IoErr);
end;
Procedure ChDir(s: pchar;len:sizeuint);[IOCheck, public, alias : 'FPC_SYS_CHDIR'];
var
tmpStr : array[0..255] of Char;
tmpLock: LongInt;
FIB : PFileInfoBlock;
begin
checkCTRLC;
if not assigned(s) or (len=0) or (InOutRes<>0) then exit;
tmpStr:=PathConv(strpas(s))+#0;
tmpLock:=0;
{ Changing the directory is a pretty complicated affair }
{ 1) Obtain a lock on the directory }
{ 2) CurrentDir the lock }
tmpLock:=Lock(@tmpStr,SHARED_LOCK);
if tmpLock=0 then begin
dosError2InOut(IoErr);
exit;
end;
FIB:=nil;
new(FIB);
if (Examine(tmpLock,FIB)=True) and (FIB^.fib_DirEntryType>0) then begin
tmpLock:=CurrentDir(tmpLock);
if MOS_OrigDir=0 then begin
MOS_OrigDir:=tmpLock;
tmpLock:=0;
end;
end else begin
dosError2InOut(ERROR_DIR_NOT_FOUND);
end;
if tmpLock<>0 then Unlock(tmpLock);
if assigned(FIB) then dispose(FIB);
end;
procedure GetDir (DriveNr: byte; var Dir: ShortString);
var tmpbuf: array[0..255] of char;
begin
checkCTRLC;
Dir:='';
if not GetCurrentDirName(tmpbuf,256) then
dosError2InOut(IoErr)
else
Dir:=strpas(tmpbuf);
end;