fpc/rtl/netware/dos.pp
armin bd9e93087c * changed dir separator from \ to /
* long namespace by default
* dos.exec implemented
* getenv ('PATH') is now supported
* changed FExpand to global version
* fixed heaplist growth error
* support SysOSFree
* stackcheck was without saveregisters
* fpc can compile itself on netware
2004-08-01 20:02:48 +00:00

682 lines
16 KiB
ObjectPascal

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by the Free Pascal development team.
Dos unit for BP7 compatible RTL (novell netware)
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.
**********************************************************************}
unit dos;
interface
Const
FileNameLen = 255;
Type
searchrec = packed record
DirP : POINTER; { used for opendir }
EntryP: POINTER; { and readdir }
Magic : WORD;
fill : array[1..11] of byte;
attr : byte;
time : longint;
{ reserved : word; not in DJGPP V2 }
size : longint;
name : string[255]; { NW uses only [12] but more can't hurt }
end;
registers = packed record
case i : integer of
0 : (ax,f1,bx,f2,cx,f3,dx,f4,bp,f5,si,f51,di,f6,ds,f7,es,f8,flags,fs,gs : word);
1 : (al,ah,f9,f10,bl,bh,f11,f12,cl,ch,f13,f14,dl,dh : byte);
2 : (eax, ebx, ecx, edx, ebp, esi, edi : longint);
end;
{$i dosh.inc}
implementation
uses
strings;
{$ASMMODE ATT}
{$I nwsys.inc }
{*****************************************************************************
--- Info / Date / Time ---
******************************************************************************}
{$PACKRECORDS 4}
function dosversion : word;
VAR F : FILE_SERV_INFO;
begin
IF GetServerInformation(SIZEOF(F),@F) = 0 THEN
dosversion := WORD (F.netwareVersion) SHL 8 + F.netwareSubVersion;
end;
procedure getdate(var year,month,mday,wday : word);
VAR N : NWdateAndTime;
begin
GetFileServerDateAndTime (N);
wday:=N.DayOfWeek;
year:=1900 + N.Year;
month:=N.Month;
mday:=N.Day;
end;
procedure setdate(year,month,day : word);
VAR N : NWdateAndTime;
begin
GetFileServerDateAndTime (N);
SetFileServerDateAndTime(year,month,day,N.Hour,N.Minute,N.Second);
end;
procedure gettime(var hour,minute,second,sec100 : word);
VAR N : NWdateAndTime;
begin
GetFileServerDateAndTime (N);
hour := N.Hour;
Minute:= N.Minute;
Second := N.Second;
sec100 := 0;
end;
procedure settime(hour,minute,second,sec100 : word);
VAR N : NWdateAndTime;
begin
GetFileServerDateAndTime (N);
SetFileServerDateAndTime(N.year,N.month,N.day,hour,minute,second);
end;
Procedure packtime(var t : datetime;var p : longint);
Begin
p:=(t.sec shr 1)+(t.min shl 5)+(t.hour shl 11)+(t.day shl 16)+(t.month shl 21)+((t.year-1980) shl 25);
End;
Procedure unpacktime(p : longint;var t : datetime);
Begin
with t do
begin
sec:=(p and 31) shl 1;
min:=(p shr 5) and 63;
hour:=(p shr 11) and 31;
day:=(p shr 16) and 31;
month:=(p shr 21) and 15;
year:=(p shr 25)+1980;
end;
End;
{******************************************************************************
--- Exec ---
******************************************************************************}
{$ifdef HASTHREADVAR}
threadvar
{$else HASTHREADVAR}
var
{$endif HASTHREADVAR}
lastdosexitcode : word;
const maxargs=256;
procedure exec(const path : pathstr;const comline : comstr);
var c : comstr;
i : integer;
args : array[0..maxargs] of pchar;
arg0 : pathstr;
numargs : integer;
begin
//writeln ('dos.exec (',path,',',comline,')');
arg0 := fexpand (path)+#0;
args[0] := @arg0[1];
numargs := 0;
c:=comline;
i:=1;
while i<=length(c) do
begin
if c[i]<>' ' then
begin
{Commandline argument found. append #0 and set pointer in args }
inc(numargs);
args[numargs]:=@c[i];
while (i<=length(c)) and (c[i]<>' ') do
inc(i);
c[i] := #0;
end;
inc(i);
end;
args[numargs+1] := nil;
i := spawnvp (P_WAIT,args[0],@args);
if i >= 0 then
begin
doserror := 0;
lastdosexitcode := i;
end else
begin
doserror := 8; // for now, what about errno ?
end;
end;
function dosexitcode : word;
begin
dosexitcode:=lastdosexitcode;
end;
procedure getcbreak(var breakvalue : boolean);
begin
breakvalue := _SetCtrlCharCheckMode (false); { get current setting }
if breakvalue then
_SetCtrlCharCheckMode (breakvalue); { and restore old setting }
end;
procedure setcbreak(breakvalue : boolean);
begin
_SetCtrlCharCheckMode (breakvalue);
end;
procedure getverify(var verify : boolean);
begin
verify := true;
end;
procedure setverify(verify : boolean);
begin
end;
{******************************************************************************
--- Disk ---
******************************************************************************}
function getvolnum (drive : byte) : longint;
var dir : STRING[255];
P,PS,
V : LONGINT;
begin
if drive = 0 then
begin // get volume name from current directory (i.e. SERVER-NAME/VOL2:TEST)
getdir (0,dir);
p := pos (':', dir);
if p = 0 then
begin
getvolnum := -1;
exit;
end;
byte (dir[0]) := p-1;
dir[p] := #0;
PS := pos ('/', dir);
INC (PS);
if _GetVolumeNumber (@dir[PS], V) <> 0 then
getvolnum := -1
else
getvolnum := V;
end else
getvolnum := drive-1;
end;
function diskfree(drive : byte) : int64;
VAR Buf : ARRAY [0..255] OF CHAR;
TotalBlocks : WORD;
SectorsPerBlock : WORD;
availableBlocks : WORD;
totalDirectorySlots : WORD;
availableDirSlots : WORD;
volumeisRemovable : WORD;
volumeNumber : LONGINT;
begin
volumeNumber := getvolnum (drive);
if volumeNumber >= 0 then
begin
{i think thats not the right function but for others i need a connection handle}
if _GetVolumeInfoWithNumber (byte(volumeNumber),@Buf,
TotalBlocks,
SectorsPerBlock,
availableBlocks,
totalDirectorySlots,
availableDirSlots,
volumeisRemovable) = 0 THEN
begin
diskfree := int64 (availableBlocks) * int64 (SectorsPerBlock) * 512;
end else
diskfree := 0;
end else
diskfree := 0;
end;
function disksize(drive : byte) : int64;
VAR Buf : ARRAY [0..255] OF CHAR;
TotalBlocks : WORD;
SectorsPerBlock : WORD;
availableBlocks : WORD;
totalDirectorySlots : WORD;
availableDirSlots : WORD;
volumeisRemovable : WORD;
volumeNumber : LONGINT;
begin
volumeNumber := getvolnum (drive);
if volumeNumber >= 0 then
begin
{i think thats not the right function but for others i need a connection handle}
if _GetVolumeInfoWithNumber (byte(volumeNumber),@Buf,
TotalBlocks,
SectorsPerBlock,
availableBlocks,
totalDirectorySlots,
availableDirSlots,
volumeisRemovable) = 0 THEN
begin
disksize := int64 (TotalBlocks) * int64 (SectorsPerBlock) * 512;
end else
disksize := 0;
end else
disksize := 0;
end;
{******************************************************************************
--- Findfirst FindNext ---
******************************************************************************}
PROCEDURE find_setfields (VAR f : searchRec);
BEGIN
WITH F DO
BEGIN
IF Magic = $AD01 THEN
BEGIN
attr := WORD (PNWDirEnt(EntryP)^.d_attr); // lowest 16 bit -> same as dos
time := PNWDirEnt(EntryP)^.d_time + (LONGINT (PNWDirEnt(EntryP)^.d_date) SHL 16);
size := PNWDirEnt(EntryP)^.d_size;
name := strpas (PNWDirEnt(EntryP)^.d_name);
if name = '' then
name := strpas (PNWDirEnt(EntryP)^.d_nameDOS);
doserror := 0;
END ELSE
BEGIN
FillChar (f,SIZEOF(f),0);
doserror := 18;
END;
END;
END;
procedure findfirst(const path : pathstr;attr : word;var f : searchRec);
var
path0 : array[0..256] of char;
begin
IF path = '' then
begin
doserror := 18;
exit;
end;
strpcopy(path0,path);
PNWDirEnt(f.DirP) := _opendir (path0);
IF f.DirP = NIL THEN
doserror := 18
ELSE
BEGIN
IF attr <> anyfile THEN
_SetReaddirAttribute (PNWDirEnt(f.DirP), attr);
F.Magic := $AD01;
PNWDirEnt(f.EntryP) := _readdir (PNWDirEnt(f.DirP));
IF F.EntryP = NIL THEN
BEGIN
_closedir (PNWDirEnt(f.DirP));
f.Magic := 0;
doserror := 18;
END ELSE
find_setfields (f);
END;
end;
procedure findnext(var f : searchRec);
begin
IF F.Magic <> $AD01 THEN
BEGIN
doserror := 18;
EXIT;
END;
doserror:=0;
PNWDirEnt(f.EntryP) := _readdir (PNWDirEnt(f.DirP));
IF F.EntryP = NIL THEN
doserror := 18
ELSE
find_setfields (f);
end;
Procedure FindClose(Var f: SearchRec);
begin
IF F.Magic <> $AD01 THEN
BEGIN
doserror := 18;
EXIT;
END;
doserror:=0;
_closedir (PNWDirEnt(f.DirP));
f.Magic := 0;
f.DirP := NIL;
f.EntryP := NIL;
end;
procedure swapvectors;
begin
end;
{******************************************************************************
--- File ---
******************************************************************************}
procedure fsplit(path : pathstr;var dir : dirstr;var name : namestr;var ext : extstr);
var
dotpos,p1,i : longint;
begin
{ allow backslash as slash }
for i:=1 to length(path) do
if path[i]='\' then path[i]:='/';
{ get volume name }
p1:=pos(':',path);
if p1>0 then
begin
dir:=copy(path,1,p1);
delete(path,1,p1);
end
else
dir:='';
{ split the path and the name, there are no more path informtions }
{ if path contains no backslashes }
while true do
begin
p1:=pos('/',path);
if p1=0 then
break;
dir:=dir+copy(path,1,p1);
delete(path,1,p1);
end;
{ try to find out a extension }
//if LFNSupport then
begin
Ext:='';
i:=Length(Path);
DotPos:=256;
While (i>0) Do
Begin
If (Path[i]='.') Then
begin
DotPos:=i;
break;
end;
Dec(i);
end;
Ext:=Copy(Path,DotPos,255);
Name:=Copy(Path,1,DotPos - 1);
end
(* else
begin
p1:=pos('.',path);
if p1>0 then
begin
ext:=copy(path,p1,4);
delete(path,p1,length(path)-p1+1);
end
else
ext:='';
name:=path;
end;*)
end;
function GetShortName(var p : String) : boolean;
begin
GetShortName := false;
end;
function GetLongName(var p : String) : boolean;
begin
GetLongName := false;
end;
{$define FPC_FEXPAND_DRIVES}
{$define FPC_FEXPAND_VOLUMES}
{$define FPC_FEXPAND_NO_DEFAULT_PATHS}
{$i fexpand.inc}
Function FSearch(path: pathstr; dirlist: string): pathstr;
var
i,p1 : longint;
s : searchrec;
newdir : pathstr;
begin
write ('FSearch ("',path,'","',dirlist,'"');
{ check if the file specified exists }
findfirst(path,anyfile,s);
if doserror=0 then
begin
findclose(s);
fsearch:=path;
exit;
end;
{ No wildcards allowed in these things }
if (pos('?',path)<>0) or (pos('*',path)<>0) then
fsearch:=''
else
begin
{ allow backslash as slash }
for i:=1 to length(dirlist) do
if dirlist[i]='\' then dirlist[i]:='/';
repeat
p1:=pos(';',dirlist);
if p1<>0 then
begin
newdir:=copy(dirlist,1,p1-1);
delete(dirlist,1,p1);
end
else
begin
newdir:=dirlist;
dirlist:='';
end;
if (newdir<>'') and (not (newdir[length(newdir)] in ['/',':'])) then
newdir:=newdir+'/';
findfirst(newdir+path,anyfile,s);
if doserror=0 then
newdir:=newdir+path
else
newdir:='';
until (dirlist='') or (newdir<>'');
fsearch:=newdir;
end;
findclose(s);
end;
{******************************************************************************
--- Get/Set File Time,Attr ---
******************************************************************************}
procedure getftime(var f;var time : longint);
VAR StatBuf : NWStatBufT;
T : DateTime;
DosDate,
DosTime : WORD;
begin
IF _fstat (FileRec (f).Handle, StatBuf) = 0 THEN
BEGIN
_ConvertTimeToDos (StatBuf.st_mtime, DosDate, DosTime);
time := DosTime + (LONGINT (DosDate) SHL 16);
END ELSE
time := 0;
end;
procedure setftime(var f;time : longint);
begin
{is there a netware function to do that ?????}
ConsolePrintf ('warning: fpc dos.setftime not implemented'#13#10,0);
end;
procedure getfattr(var f;var attr : word);
VAR StatBuf : NWStatBufT;
begin
IF _fstat (FileRec (f).Handle, StatBuf) = 0 THEN
BEGIN
attr := word (StatBuf.st_attr);
END ELSE
attr := 0;
end;
procedure setfattr(var f;attr : word);
begin
{is there a netware function to do that ?????}
ConsolePrintf ('warning: fpc dos.setfattr not implemented'#13#10,0);
end;
{******************************************************************************
--- Environment ---
******************************************************************************}
function envcount : longint;
begin
envcount := 0; {is there a netware function to do that ?????}
ConsolePrintf ('warning: fpc dos.envcount not implemented'#13#10,0);
end;
function envstr (index: longint) : string;
begin
envstr := ''; {is there a netware function to do that ?????}
ConsolePrintf ('warning: fpc dos.envstr not implemented'#13#10,0);
end;
{ works fine (at least with netware 6.5) }
Function GetEnv(envvar: string): string;
var envvar0 : array[0..512] of char;
p : pchar;
i,isDosPath,res : longint;
begin
if upcase(envvar) = 'PATH' then
begin // netware does not have search paths in the environment var PATH
// return it here (needed for the compiler)
GetEnv := '';
i := 1;
res := _NWGetSearchPathElement (i, isdosPath, @envvar0[0]);
while res = 0 do
begin
if GetEnv <> '' then GetEnv := GetEnv + ';';
GetEnv := GetEnv + envvar0;
inc (i);
res := _NWGetSearchPathElement (i, isdosPath, @envvar0[0]);
end;
for i := 1 to length(GetEnv) do
if GetEnv[i] = '\' then
GetEnv[i] := '/';
end else
begin
strpcopy(envvar0,envvar);
p := _getenv (envvar0);
if p = NIL then
GetEnv := ''
else
GetEnv := strpas (p);
end;
end;
{******************************************************************************
--- Not Supported ---
******************************************************************************}
Procedure keep(exitcode : word);
Begin
{ simply wait until nlm will be unloaded }
while true do _delay (60000);
End;
Procedure getintvec(intno : byte;var vector : pointer);
Begin
{ no netware equivalent }
End;
Procedure setintvec(intno : byte;vector : pointer);
Begin
{ no netware equivalent }
End;
procedure intr(intno : byte;var regs : registers);
begin
{ no netware equivalent }
end;
procedure msdos(var regs : registers);
begin
{ no netware equivalent }
end;
end.
{
$Log$
Revision 1.11 2004-08-01 20:02:48 armin
* changed dir separator from \ to /
* long namespace by default
* dos.exec implemented
* getenv ('PATH') is now supported
* changed FExpand to global version
* fixed heaplist growth error
* support SysOSFree
* stackcheck was without saveregisters
* fpc can compile itself on netware
Revision 1.10 2004/02/17 17:37:26 daniel
* Enable threadvars again
Revision 1.9 2004/02/16 22:16:59 hajny
* LastDosExitCode changed back from threadvar temporarily
Revision 1.8 2004/02/15 21:34:06 hajny
* overloaded ExecuteProcess added, EnvStr param changed to longint
Revision 1.7 2004/02/09 12:03:16 michael
+ Switched to single interface in dosh.inc
Revision 1.6 2003/03/25 18:17:54 armin
* support for fcl, support for linking without debug info
* renamed winsock2 to winsock for win32 compatinility
* new sockets unit for netware
* changes for compiler warnings
Revision 1.5 2002/09/07 16:01:20 peter
* old logs removed and tabs fixed
}