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