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514 lines
12 KiB
ObjectPascal
514 lines
12 KiB
ObjectPascal
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by the Free Pascal development team.
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Dos unit for BP7 compatible RTL (novell netware)
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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 dos;
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interface
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Type
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searchrec = packed record
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DirP : POINTER; { used for opendir }
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EntryP: POINTER; { and readdir }
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Magic : WORD;
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fill : array[1..11] of byte;
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attr : byte;
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time : longint;
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{ reserved : word; not in DJGPP V2 }
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size : longint;
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name : string[255]; { NW uses only [12] but more can't hurt }
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end;
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{$i dosh.inc}
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implementation
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uses
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strings, nwserv;
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{$DEFINE HAS_GETMSCOUNT}
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{$DEFINE HAS_GETCBREAK}
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{$DEFINE HAS_SETCBREAK}
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{$DEFINE HAS_KEEP}
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{$define FPC_FEXPAND_DRIVES}
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{$define FPC_FEXPAND_VOLUMES}
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{$define FPC_FEXPAND_NO_DEFAULT_PATHS}
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{$I dos.inc}
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{$ASMMODE ATT}
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{$I nwsys.inc }
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{*****************************************************************************
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--- Info / Date / Time ---
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******************************************************************************}
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{$PACKRECORDS 4}
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function dosversion : word;
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VAR F : FILE_SERV_INFO;
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begin
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IF GetServerInformation(SIZEOF(F),@F) = 0 THEN
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dosversion := WORD (F.netwareVersion) SHL 8 + F.netwareSubVersion;
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end;
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procedure getdate(var year,month,mday,wday : word);
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VAR N : NWdateAndTime;
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begin
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GetFileServerDateAndTime (N);
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wday:=N.DayOfWeek;
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year:=1900 + N.Year;
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month:=N.Month;
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mday:=N.Day;
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end;
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procedure setdate(year,month,day : word);
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VAR N : NWdateAndTime;
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begin
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GetFileServerDateAndTime (N);
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SetFileServerDateAndTime(year,month,day,N.Hour,N.Minute,N.Second);
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end;
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procedure gettime(var hour,minute,second,sec100 : word);
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VAR N : NWdateAndTime;
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begin
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GetFileServerDateAndTime (N);
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hour := N.Hour;
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Minute:= N.Minute;
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Second := N.Second;
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sec100 := 0;
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end;
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procedure settime(hour,minute,second,sec100 : word);
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VAR N : NWdateAndTime;
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begin
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GetFileServerDateAndTime (N);
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SetFileServerDateAndTime(N.year,N.month,N.day,hour,minute,second);
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end;
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function GetMsCount: int64;
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begin
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GetMsCount := int64 (Nwserv.GetCurrentTicks) * 55;
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end;
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{******************************************************************************
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--- Exec ---
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******************************************************************************}
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const maxargs=256;
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procedure exec(const path : pathstr;const comline : comstr);
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var c : comstr;
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i : integer;
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args : array[0..maxargs] of pchar;
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arg0 : pathstr;
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numargs : integer;
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begin
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//writeln ('dos.exec (',path,',',comline,')');
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arg0 := fexpand (path)+#0;
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args[0] := @arg0[1];
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numargs := 0;
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c:=comline;
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i:=1;
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while i<=length(c) do
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begin
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if c[i]<>' ' then
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begin
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{Commandline argument found. append #0 and set pointer in args }
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inc(numargs);
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args[numargs]:=@c[i];
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while (i<=length(c)) and (c[i]<>' ') do
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inc(i);
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c[i] := #0;
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end;
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inc(i);
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end;
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args[numargs+1] := nil;
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i := spawnvp (P_WAIT,args[0],@args);
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if i >= 0 then
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begin
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doserror := 0;
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lastdosexitcode := i;
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end else
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begin
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doserror := 8; // for now, what about errno ?
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end;
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end;
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procedure getcbreak(var breakvalue : boolean);
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begin
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breakvalue := _SetCtrlCharCheckMode (false); { get current setting }
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if breakvalue then
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_SetCtrlCharCheckMode (breakvalue); { and restore old setting }
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end;
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procedure setcbreak(breakvalue : boolean);
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begin
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_SetCtrlCharCheckMode (breakvalue);
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end;
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{******************************************************************************
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--- Disk ---
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******************************************************************************}
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function getvolnum (drive : byte) : longint;
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var dir : STRING[255];
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P,PS,
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V : LONGINT;
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begin
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if drive = 0 then
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begin // get volume name from current directory (i.e. SERVER-NAME/VOL2:TEST)
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getdir (0,dir);
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p := pos (':', dir);
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if p = 0 then
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begin
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getvolnum := -1;
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exit;
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end;
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byte (dir[0]) := p-1;
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dir[p] := #0;
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PS := pos ('/', dir);
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INC (PS);
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if _GetVolumeNumber (@dir[PS], V) <> 0 then
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getvolnum := -1
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else
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getvolnum := V;
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end else
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getvolnum := drive-1;
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end;
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function diskfree(drive : byte) : int64;
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VAR Buf : ARRAY [0..255] OF CHAR;
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TotalBlocks : WORD;
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SectorsPerBlock : WORD;
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availableBlocks : WORD;
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totalDirectorySlots : WORD;
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availableDirSlots : WORD;
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volumeisRemovable : WORD;
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volumeNumber : LONGINT;
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begin
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volumeNumber := getvolnum (drive);
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if volumeNumber >= 0 then
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begin
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{i think thats not the right function but for others i need a connection handle}
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if _GetVolumeInfoWithNumber (byte(volumeNumber),@Buf,
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TotalBlocks,
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SectorsPerBlock,
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availableBlocks,
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totalDirectorySlots,
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availableDirSlots,
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volumeisRemovable) = 0 THEN
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begin
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diskfree := int64 (availableBlocks) * int64 (SectorsPerBlock) * 512;
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end else
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diskfree := 0;
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end else
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diskfree := 0;
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end;
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function disksize(drive : byte) : int64;
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VAR Buf : ARRAY [0..255] OF CHAR;
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TotalBlocks : WORD;
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SectorsPerBlock : WORD;
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availableBlocks : WORD;
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totalDirectorySlots : WORD;
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availableDirSlots : WORD;
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volumeisRemovable : WORD;
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volumeNumber : LONGINT;
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begin
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volumeNumber := getvolnum (drive);
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if volumeNumber >= 0 then
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begin
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{i think thats not the right function but for others i need a connection handle}
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if _GetVolumeInfoWithNumber (byte(volumeNumber),@Buf,
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TotalBlocks,
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SectorsPerBlock,
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availableBlocks,
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totalDirectorySlots,
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availableDirSlots,
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volumeisRemovable) = 0 THEN
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begin
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disksize := int64 (TotalBlocks) * int64 (SectorsPerBlock) * 512;
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end else
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disksize := 0;
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end else
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disksize := 0;
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end;
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{******************************************************************************
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--- Findfirst FindNext ---
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******************************************************************************}
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PROCEDURE find_setfields (VAR f : searchRec);
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BEGIN
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WITH F DO
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BEGIN
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IF Magic = $AD01 THEN
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BEGIN
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attr := WORD (PNWDirEnt(EntryP)^.d_attr); // lowest 16 bit -> same as dos
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time := PNWDirEnt(EntryP)^.d_time + (LONGINT (PNWDirEnt(EntryP)^.d_date) SHL 16);
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size := PNWDirEnt(EntryP)^.d_size;
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name := strpas (PNWDirEnt(EntryP)^.d_name);
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if name = '' then
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name := strpas (PNWDirEnt(EntryP)^.d_nameDOS);
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doserror := 0;
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END ELSE
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BEGIN
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FillChar (f,SIZEOF(f),0);
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doserror := 18;
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END;
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END;
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END;
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procedure findfirst(const path : pathstr;attr : word;var f : searchRec);
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var
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path0 : array[0..256] of char;
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begin
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IF path = '' then
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begin
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doserror := 18;
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exit;
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end;
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strpcopy(path0,path);
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PNWDirEnt(f.DirP) := _opendir (path0);
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IF f.DirP = NIL THEN
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doserror := 18
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ELSE
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BEGIN
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IF attr <> anyfile THEN
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_SetReaddirAttribute (PNWDirEnt(f.DirP), attr);
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F.Magic := $AD01;
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PNWDirEnt(f.EntryP) := _readdir (PNWDirEnt(f.DirP));
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IF F.EntryP = NIL THEN
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BEGIN
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_closedir (PNWDirEnt(f.DirP));
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f.Magic := 0;
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doserror := 18;
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END ELSE
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find_setfields (f);
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END;
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end;
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procedure findnext(var f : searchRec);
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begin
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IF F.Magic <> $AD01 THEN
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BEGIN
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doserror := 18;
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EXIT;
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END;
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doserror:=0;
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PNWDirEnt(f.EntryP) := _readdir (PNWDirEnt(f.DirP));
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IF F.EntryP = NIL THEN
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doserror := 18
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ELSE
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find_setfields (f);
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end;
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Procedure FindClose(Var f: SearchRec);
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begin
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IF F.Magic <> $AD01 THEN
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BEGIN
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doserror := 18;
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EXIT;
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END;
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doserror:=0;
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_closedir (PNWDirEnt(f.DirP));
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f.Magic := 0;
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f.DirP := NIL;
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f.EntryP := NIL;
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end;
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{******************************************************************************
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--- File ---
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******************************************************************************}
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Function FSearch(path: pathstr; dirlist: string): pathstr;
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var
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p1 : longint;
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s : searchrec;
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newdir : pathstr;
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begin
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{ No wildcards allowed in these things }
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if (pos('?',path)<>0) or (pos('*',path)<>0) then
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begin
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fsearch:='';
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exit;
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end;
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{ check if the file specified exists }
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findfirst(path,anyfile and not(directory),s);
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if doserror=0 then
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begin
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findclose(s);
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fsearch:=path;
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exit;
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end;
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findclose(s);
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{ allow backslash as slash }
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DoDirSeparators(dirlist);
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repeat
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p1:=pos(';',dirlist);
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if p1<>0 then
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begin
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newdir:=copy(dirlist,1,p1-1);
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delete(dirlist,1,p1);
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end
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else
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begin
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newdir:=dirlist;
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dirlist:='';
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end;
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if (newdir<>'') and (not (newdir[length(newdir)] in [DirectorySeparator,DriveSeparator])) then
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newdir:=newdir+DirectorySeparator;
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findfirst(newdir+path,anyfile and not(directory),s);
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if doserror=0 then
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newdir:=newdir+path
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else
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newdir:='';
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findclose(s);
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until (dirlist='') or (newdir<>'');
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fsearch:=newdir;
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end;
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{******************************************************************************
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--- Get/Set File Time,Attr ---
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******************************************************************************}
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procedure getftime(var f;var time : longint);
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VAR StatBuf : NWStatBufT;
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T : DateTime;
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DosDate,
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DosTime : WORD;
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begin
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IF _fstat (FileRec (f).Handle, StatBuf) = 0 THEN
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BEGIN
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_ConvertTimeToDos (StatBuf.st_mtime, DosDate, DosTime);
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time := DosTime + (LONGINT (DosDate) SHL 16);
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END ELSE
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time := 0;
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end;
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procedure setftime(var f;time : longint);
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begin
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{is there a netware function to do that ?????}
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ConsolePrintf ('warning: fpc dos.setftime not implemented'#13#10);
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end;
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procedure getfattr(var f;var attr : word);
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VAR StatBuf : NWStatBufT;
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begin
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IF _fstat (FileRec (f).Handle, StatBuf) = 0 THEN
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BEGIN
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attr := word (StatBuf.st_attr);
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END ELSE
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attr := 0;
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end;
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procedure setfattr(var f;attr : word);
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begin
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{is there a netware function to do that ?????}
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ConsolePrintf ('warning: fpc dos.setfattr not implemented'#13#10);
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end;
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{******************************************************************************
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--- Environment ---
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******************************************************************************}
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function envcount : longint;
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begin
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envcount := 0; {is there a netware function to do that ?????}
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ConsolePrintf ('warning: fpc dos.envcount not implemented'#13#10);
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end;
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function envstr (index: longint) : string;
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begin
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envstr := ''; {is there a netware function to do that ?????}
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ConsolePrintf ('warning: fpc dos.envstr not implemented'#13#10);
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end;
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{ works fine (at least with netware 6.5) }
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Function GetEnv(envvar: string): string;
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var envvar0 : array[0..512] of char;
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p : pchar;
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i,isDosPath,res : longint;
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begin
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if upcase(envvar) = 'PATH' then
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begin // netware does not have search paths in the environment var PATH
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// return it here (needed for the compiler)
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GetEnv := '';
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i := 1;
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res := _NWGetSearchPathElement (i, isdosPath, @envvar0[0]);
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while res = 0 do
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begin
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if GetEnv <> '' then GetEnv := GetEnv + ';';
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GetEnv := GetEnv + strpas(envvar0);
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inc (i);
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res := _NWGetSearchPathElement (i, isdosPath, @envvar0[0]);
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end;
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DoDirSeparators(getenv);
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end else
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begin
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strpcopy(envvar0,envvar);
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p := _getenv (envvar0);
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if p = NIL then
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GetEnv := ''
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else
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GetEnv := strpas (p);
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end;
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end;
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{******************************************************************************
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--- Not Supported ---
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******************************************************************************}
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Procedure keep(exitcode : word);
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Begin
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{ simply wait until nlm will be unloaded }
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while true do _delay (60000);
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End;
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end.
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