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fpc/rtl/netware/sysutils.pp
peter 47a24b5da6 * eoutofmemory and einvalidpointer fix
2001-06-03 15:18:01 +00:00

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{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Florian Klaempfl
member of the Free Pascal development team
Sysutils unit for 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 sysutils;
interface
{$MODE objfpc}
{ force ansistrings }
{$H+}
uses DOS;
{$I nwsys.inc}
{$I errno.inc}
TYPE
TNetwareFindData =
RECORD
DirP : PNWDirEnt; { used for opendir }
EntryP: PNWDirEnt; { and readdir }
Magic : WORD; { to avoid abends with uninitialized TSearchRec }
END;
{ Include platform independent interface part }
{$i sysutilh.inc}
{ additional NetWare file flags}
CONST
faSHARE = $00000080; { Sharable file }
faNO_SUBALLOC = $00000800; { Don't sub alloc. this file }
faTRANS = $00001000; { Transactional file (TTS usable) }
faREADAUD = $00004000; { Read audit }
faWRITAUD = $00008000; { Write audit }
faIMMPURG = $00010000; { Immediate purge }
faNORENAM = $00020000; { Rename inhibit }
faNODELET = $00040000; { Delete inhibit }
faNOCOPY = $00080000; { Copy inhibit }
faFILE_MIGRATED = $00400000; { File has been migrated }
faDONT_MIGRATE = $00800000; { Don't migrate this file }
faIMMEDIATE_COMPRESS = $02000000; { Compress this file immediately }
faFILE_COMPRESSED = $04000000; { File is compressed }
faDONT_COMPRESS = $08000000; { Don't compress this file }
faCANT_COMPRESS = $20000000; { Can't compress this file }
faATTR_ARCHIVE = $40000000; { Entry has had an EA modified, }
{ an ownerID changed, or trustee }
{ info changed, etc. }
implementation
{ Include platform independent implementation part }
{$i sysutils.inc}
{****************************************************************************
File Functions
****************************************************************************}
Function FileOpen (Const FileName : string; Mode : Integer) : Longint;
VAR NWOpenFlags : longint;
BEGIN
NWOpenFlags:=0;
Case (Mode and 3) of
0 : NWOpenFlags:=NWOpenFlags or O_RDONLY;
1 : NWOpenFlags:=NWOpenFlags or O_WRONLY;
2 : NWOpenFlags:=NWOpenFlags or O_RDWR;
end;
FileOpen := _open (pchar(FileName),NWOpenFlags,0);
//!! We need to set locking based on Mode !!
end;
Function FileCreate (Const FileName : String) : Longint;
begin
FileCreate:=_open(Pchar(FileName),O_RdWr or O_Creat or O_Trunc,0);
end;
Function FileRead (Handle : Longint; Var Buffer; Count : longint) : Longint;
begin
FileRead:=_read (Handle,@Buffer,Count);
end;
Function FileWrite (Handle : Longint; const Buffer; Count : Longint) : Longint;
begin
FileWrite:=_write (Handle,@Buffer,Count);
end;
Function FileSeek (Handle,FOffset,Origin : Longint) : Longint;
begin
FileSeek:=_lseek (Handle,FOffset,Origin);
end;
Procedure FileClose (Handle : Longint);
begin
_close(Handle);
end;
Function FileTruncate (Handle,Size: Longint) : boolean;
begin
FileTruncate:=(_chsize(Handle,Size) = 0);
end;
Function FileAge (Const FileName : String): Longint;
VAR Info : NWStatBufT;
PTM : PNWTM;
begin
If _stat (pchar(FileName),Info) <> 0 then
exit(-1)
else
begin
PTM := _localtime (Info.st_mtime);
IF PTM = NIL THEN
exit(-1)
else
WITH PTM^ DO
Result:=DateTimeToFileDate(EncodeDate(tm_year+1900,tm_mon+1,tm_mday)+EncodeTime(tm_hour,tm_min,tm_sec,0));
end;
end;
Function FileExists (Const FileName : String) : Boolean;
VAR Info : NWStatBufT;
begin
FileExists:=(_stat(pchar(filename),Info) = 0);
end;
PROCEDURE find_setfields (VAR f : TsearchRec);
VAR T : Dos.DateTime;
BEGIN
WITH F DO
BEGIN
IF FindData.Magic = $AD01 THEN
BEGIN
{attr := FindData.EntryP^.d_attr AND $FF;} // lowest 8 bit -> same as dos
attr := FindData.EntryP^.d_attr; { return complete netware attributes }
UnpackTime(FindData.EntryP^.d_time + (LONGINT (FindData.EntryP^.d_date) SHL 16), T);
time := DateTimeToFileDate(EncodeDate(T.Year,T.Month,T.day)+EncodeTime(T.Hour,T.Min,T.Sec,0));
size := FindData.EntryP^.d_size;
name := strpas (FindData.EntryP^.d_nameDOS);
END ELSE
BEGIN
FillChar (f,SIZEOF(f),0);
END;
END;
END;
Function FindFirst (Const Path : String; Attr : Longint; Var Rslt : TSearchRec) : Longint;
begin
IF path = '' then
exit (18);
Rslt.FindData.DirP := _opendir (pchar(Path));
IF Rslt.FindData.DirP = NIL THEN
exit (18);
IF attr <> faAnyFile THEN
_SetReaddirAttribute (Rslt.FindData.DirP, attr);
Rslt.FindData.Magic := $AD01;
Rslt.FindData.EntryP := _readdir (Rslt.FindData.DirP);
IF Rslt.FindData.EntryP = NIL THEN
BEGIN
_closedir (Rslt.FindData.DirP);
Rslt.FindData.DirP := NIL;
exit (18);
END ELSE
BEGIN
find_setfields (Rslt);
exit (0);
END;
end;
Function FindNext (Var Rslt : TSearchRec) : Longint;
begin
IF Rslt.FindData.Magic <> $AD01 THEN
exit (18);
Rslt.FindData.EntryP := _readdir (Rslt.FindData.DirP);
IF Rslt.FindData.EntryP = NIL THEN
exit (18)
ELSE
BEGIN
find_setfields (Rslt);
exit (0);
END;
end;
Procedure FindClose (Var F : TSearchrec);
begin
IF F.FindData.Magic = $AD01 THEN
BEGIN
IF F.FindData.DirP <> NIL THEN
_closedir (F.FindData.DirP);
F.FindData.Magic := 0;
F.FindData.DirP := NIL;
F.FindData.EntryP := NIL;
END;
end;
Function FileGetDate (Handle : Longint) : Longint;
Var Info : NWStatBufT;
PTM : PNWTM;
begin
If _fstat(Handle,Info) <> 0 then
Result:=-1
else
begin
PTM := _localtime (Info.st_mtime);
IF PTM = NIL THEN
exit(-1)
else
WITH PTM^ DO
Result:=DateTimeToFileDate(EncodeDate(tm_year+1900,tm_mon+1,tm_mday)+EncodeTime(tm_hour,tm_min,tm_sec,0));
end;
end;
Function FileSetDate (Handle,Age : Longint) : Longint;
begin
{ i think its impossible under netware from FileHandle. I dident found a way to get the
complete pathname of a filehandle, that would be needed for ChangeDirectoryEntry }
FileSetDate:=-1;
ConsolePrintf ('warning: fpc sysutils.FileSetDate not implemented'#13#10,0);
end;
Function FileGetAttr (Const FileName : String) : Longint;
Var Info : NWStatBufT;
begin
If _stat (pchar(FileName),Info) <> 0 then
Result:=-1
Else
Result := Info.st_attr AND $FFFF;
end;
Function FileSetAttr (Const Filename : String; Attr: longint) : Longint;
VAR MS : NWModifyStructure;
begin
FillChar (MS, SIZEOF (MS), 0);
if _ChangeDirectoryEntry (PChar (Filename), MS, MFileAtrributesBit, 0) <> 0 then
exit (-1)
else
exit (0);
end;
Function DeleteFile (Const FileName : String) : Boolean;
begin
Result:= (_UnLink (pchar(FileName)) = 0);
end;
Function RenameFile (Const OldName, NewName : String) : Boolean;
begin
RenameFile:=(_rename(pchar(OldName),pchar(NewName)) = 0);
end;
Function FileSearch (Const Name, DirList : String) : String;
begin
FileSearch:=Dos.FSearch(Name,Dirlist);
end;
{****************************************************************************
Disk Functions
****************************************************************************}
{
The Diskfree and Disksize functions need a file on the specified drive, since this
is required for the statfs system call.
These filenames are set in drivestr[0..26], and have been preset to :
0 - '.' (default drive - hence current dir is ok.)
1 - '/fd0/.' (floppy drive 1 - should be adapted to local system )
2 - '/fd1/.' (floppy drive 2 - should be adapted to local system )
3 - '/' (C: equivalent of dos is the root partition)
4..26 (can be set by you're own applications)
! Use AddDisk() to Add new drives !
They both return -1 when a failure occurs.
}
Const
FixDriveStr : array[0..3] of pchar=(
'.',
'/fd0/.',
'/fd1/.',
'/.'
);
var
Drives : byte;
DriveStr : array[4..26] of pchar;
Procedure AddDisk(const path:string);
begin
if not (DriveStr[Drives]=nil) then
FreeMem(DriveStr[Drives],StrLen(DriveStr[Drives])+1);
GetMem(DriveStr[Drives],length(Path)+1);
StrPCopy(DriveStr[Drives],path);
inc(Drives);
if Drives>26 then
Drives:=4;
end;
Function DiskFree(Drive: Byte): int64;
//var fs : statfs;
Begin
{ if ((Drive<4) and (not (fixdrivestr[Drive]=nil)) and fsstat(StrPas(fixdrivestr[drive]),fs)) or
((not (drivestr[Drive]=nil)) and fsstat(StrPas(drivestr[drive]),fs)) then
Diskfree:=int64(fs.bavail)*int64(fs.bsize)
else
Diskfree:=-1;}
DiskFree := -1;
ConsolePrintf ('warning: fpc sysutils.diskfree not implemented'#13#10,0);
End;
Function DiskSize(Drive: Byte): int64;
//var fs : statfs;
Begin
{ if ((Drive<4) and (not (fixdrivestr[Drive]=nil)) and fsstat(StrPas(fixdrivestr[drive]),fs)) or
((not (drivestr[Drive]=nil)) and fsstat(StrPas(drivestr[drive]),fs)) then
DiskSize:=int64(fs.blocks)*int64(fs.bsize)
else
DiskSize:=-1;}
DiskSize := -1;
ConsolePrintf ('warning: fpc sysutils.disksize not implemented'#13#10,0);
End;
Function GetCurrentDir : String;
begin
GetDir (0,Result);
end;
Function SetCurrentDir (Const NewDir : String) : Boolean;
begin
{$I-}
ChDir(NewDir);
{$I+}
result := (IOResult = 0);
end;
Function CreateDir (Const NewDir : String) : Boolean;
begin
{$I-}
MkDir(NewDir);
{$I+}
result := (IOResult = 0);
end;
Function RemoveDir (Const Dir : String) : Boolean;
begin
{$I-}
RmDir(Dir);
{$I+}
result := (IOResult = 0);
end;
{****************************************************************************
Misc Functions
****************************************************************************}
procedure Beep;
begin
_RingTheBell;
end;
{****************************************************************************
Locale Functions
****************************************************************************}
Procedure GetLocalTime(var SystemTime: TSystemTime);
var xx : word;
begin
Dos.GetTime(SystemTime.Hour, SystemTime.Minute, SystemTime.Second, xx);
Dos.GetDate(SystemTime.Year, SystemTime.Month, SystemTime.Day, xx);
SystemTime.MilliSecond := 0;
end;
Procedure InitAnsi;
Var i : longint;
begin
{ Fill table entries 0 to 127 }
for i := 0 to 96 do
UpperCaseTable[i] := chr(i);
for i := 97 to 122 do
UpperCaseTable[i] := chr(i - 32);
for i := 123 to 191 do
UpperCaseTable[i] := chr(i);
Move (CPISO88591UCT,UpperCaseTable[192],SizeOf(CPISO88591UCT));
for i := 0 to 64 do
LowerCaseTable[i] := chr(i);
for i := 65 to 90 do
LowerCaseTable[i] := chr(i + 32);
for i := 91 to 191 do
LowerCaseTable[i] := chr(i);
Move (CPISO88591LCT,UpperCaseTable[192],SizeOf(CPISO88591UCT));
end;
Procedure InitInternational;
begin
InitAnsi;
end;
function SysErrorMessage(ErrorCode: Integer): String;
begin
Result:=''; // StrError(ErrorCode);
end;
{****************************************************************************
OS utility functions
****************************************************************************}
Function GetEnvironmentVariable(Const EnvVar : String) : String;
begin
Result:=StrPas(_getenv(PChar(EnvVar)));
end;
{****************************************************************************
Initialization code
****************************************************************************}
Initialization
InitExceptions; { Initialize exceptions. OS independent }
InitInternational; { Initialize internationalization settings }
Finalization
DoneExceptions;
end.
{
$Log$
Revision 1.4 2001-06-03 15:18:01 peter
* eoutofmemory and einvalidpointer fix
Revision 1.3 2001/04/16 18:39:50 florian
* updates from Armin commited
Revision 1.2 2001/04/11 14:17:00 florian
* added logs, fixed email address of Armin, it is
diehl@nordrhein.de
Revision 1.1 2001/04/11 14:14:12 florian
* initial commit, thanks to Armin Diehl (diehl@nordrhein.de)
Revision 1.8 2001/02/20 22:19:38 peter
* always test before commiting after merging, linux -> unix change
Revision 1.7 2001/02/20 22:14:19 peter
* merged getenvironmentvariable
Revision 1.6 2001/01/21 20:21:40 marco
* Rename fest II. Rtl OK
Revision 1.5 2000/12/28 20:50:04 peter
* merged fixes from 1.0.x
Revision 1.4 2000/12/18 14:01:42 jonas
* fixed constant range error
Revision 1.3 2000/11/28 20:06:12 michael
+ merged fix for findfirst/findnext/findclose
Revision 1.2 2000/09/18 13:14:51 marco
* Global Linux +bsd to (rtl/freebsd rtl/unix rtl/linux structure)
Revision 1.3 2000/08/29 17:58:13 michael
Merged syserrormsg fix
Revision 1.2 2000/08/20 15:46:46 peter
* sysutils.pp moved to target and merged with disk.inc, filutil.inc
Revision 1.1.2.2 2000/11/28 20:01:22 michael
+ Fixed findfirst/findnext/findclose
Revision 1.1.2.1 2000/09/14 13:38:26 marco
* Moved from Linux dir. now start of generic unix dir, from which the
really exotic features should be moved to the target specific dirs.
}
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