fpc/rtl/netware/sysutils.pp
2023-07-27 19:04:03 +02:00

681 lines
18 KiB
ObjectPascal

{
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.
**********************************************************************}
{$IFNDEF FPC_DOTTEDUNITS}
unit sysutils;
{$ENDIF FPC_DOTTEDUNITS}
interface
{$MODE objfpc}
{$MODESWITCH OUT}
{$IFDEF UNICODERTL}
{$MODESWITCH UNICODESTRINGS}
{$ELSE}
{$H+}
{$ENDIF}
{$modeswitch typehelpers}
{$modeswitch advancedrecords}
{$IFDEF FPC_DOTTEDUNITS}
uses TP.DOS;
{$ELSE FPC_DOTTEDUNITS}
uses DOS;
{$ENDIF FPC_DOTTEDUNITS}
{$I nwsys.inc}
{$I errno.inc}
{$DEFINE HAS_SLEEP}
{$DEFINE HAS_OSERROR}
{ used OS file system APIs use ansistring }
{$define SYSUTILS_HAS_ANSISTR_FILEUTIL_IMPL}
{ OS has an ansistring/single byte environment variable API }
{$define SYSUTILS_HAS_ANSISTR_ENVVAR_IMPL}
{$DEFINE executeprocuni} (* Only 1 byte version of ExecuteProcess is provided by the OS *)
TYPE
TNetwareFindData =
RECORD
DirP : PNWDirEnt; { used for opendir }
EntryP: PNWDirEnt; { and readdir }
Magic : WORD; { to avoid abends with uninitialized TSearchRec }
END;
{ Include platform independent interface part }
{$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 = $40000000; { Entry has had an EA modified, }
{ an ownerID changed, or trustee }
{ info changed, etc. }
implementation
{$IFDEF FPC_DOTTEDUNITS}
uses
System.SysConst;
{$ELSE FPC_DOTTEDUNITS}
uses
sysconst;
{$ENDIF FPC_DOTTEDUNITS}
{$define FPC_FEXPAND_DRIVES}
{$define FPC_FEXPAND_VOLUMES}
{$define FPC_FEXPAND_NO_DEFAULT_PATHS}
{ Include platform independent implementation part }
{$i sysutils.inc}
{****************************************************************************
File Functions
****************************************************************************}
Function FileOpen (Const FileName : rawbytestring; Mode : Integer) : THandle;
VAR NWOpenFlags : longint;
SystemFileName: RawByteString;
begin
SystemFileName:=ToSingleByteFileSystemEncodedFileName(FileName);
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 (PAnsiChar(SystemFileName),NWOpenFlags,0);
//!! We need to set locking based on Mode !!
end;
Function FileCreate (Const FileName : RawByteString) : THandle;
VAR SystemFileName: RawByteString;
begin
SystemFileName:=ToSingleByteFileSystemEncodedFileName(FileName);
FileCreate:=_open(PAnsiChar(SystemFileName),O_RdWr or O_Creat or O_Trunc,0);
end;
Function FileCreate (Const FileName : RawByteString; Rights:longint) : THandle;
begin
FileCreate:=FileCreate (FileName);
end;
Function FileCreate (Const FileName : RawByteString; ShareMode: Longint; Rights:longint) : THandle;
begin
FileCreate:=FileCreate (FileName);
end;
Function FileRead (Handle : THandle; Out Buffer; Count : longint) : longint;
begin
FileRead:=_read (Handle,@Buffer,Count);
end;
Function FileWrite (Handle : THandle; const Buffer; Count : Longint) : longint;
begin
FileWrite:=_write (Handle,@Buffer,Count);
end;
Function FileSeek (Handle : THandle; FOffset,Origin : Longint) : Longint;
begin
FileSeek:=_lseek (Handle,FOffset,Origin);
end;
Function FileSeek (Handle : THandle; FOffset: Int64; Origin: Longint) : Int64;
begin
{$warning need to add 64bit FileSeek }
FileSeek:=FileSeek(Handle,Longint(FOffset),Longint(Origin));
end;
Procedure FileClose (Handle : THandle);
begin
_close(Handle);
end;
Function FileTruncate (Handle : THandle; Size: Int64) : boolean;
begin
if Size > high (longint) then
FileTruncate := false
{$WARNING Possible support for 64-bit FS to be checked!}
else
FileTruncate:=(_chsize(Handle,Size) = 0);
end;
Function FileAge (Const FileName : RawByteString): Int64;
var Handle: longint;
begin
Handle := FileOpen(FileName, 0);
if Handle <> -1 then
begin
result := FileGetDate(Handle);
FileClose(Handle);
end
else
result := -1;
end;
Function FileLock (Handle,FOffset,FLen : Longint) : Longint;
begin
FileLock := _lock (Handle,FOffset,FLen);
end;
Function FileLock (Handle : Longint; FOffset,FLen : Int64) : Longint;
begin
{$warning need to add 64bit FileLock call }
FileLock := FileLock (Handle, longint(FOffset),longint(FLen));
end;
Function FileUnlock (Handle,FOffset,FLen : Longint) : Longint;
begin
FileUnlock := _unlock (Handle,FOffset,FLen);
end;
Function FileUnlock (Handle : Longint; FOffset,FLen : Int64) : Longint;
begin
{$warning need to add 64bit FileUnlock call }
FileUnlock := FileUnlock (Handle, longint(FOffset),longint(FLen));
end;
Function FileAge (Const FileName : String): Int64;
VAR Info : NWStatBufT;
PTM : PNWTM;
begin
If _stat (PAnsiChar(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 FileGetSymLinkTarget(const FileName: RawByteString; out SymLinkRec: TRawbyteSymLinkRec): Boolean;
begin
Result := False;
end;
Function FileExists (Const FileName : RawByteString; FollowLink : Boolean) : Boolean;
VAR Info : NWStatBufT;
SystemFileName: RawByteString;
begin
SystemFileName:=ToSingleByteFileSystemEncodedFileName(FileName);
FileExists:=(_stat(PAnsiChar(SystemFileName),Info) = 0);
end;
Function DirectoryExists (Const Directory : RawByteString; FollowLink : Boolean) : Boolean;
Var
Dir : RawByteString;
drive : byte;
FADir, StoredIORes : longint;
begin
Dir:=Directory;
if (length(dir)=2) and (dir[2]=':') and
((dir[1] in ['A'..'Z']) or (dir[1] in ['a'..'z'])) then
begin
{ We want to test GetCurDir }
if dir[1] in ['A'..'Z'] then
drive:=ord(dir[1])-ord('A')+1
else
drive:=ord(dir[1])-ord('a')+1;
{$push}
{$I-}
StoredIORes:=InOutRes;
InOutRes:=0;
GetDir(drive,dir);
if InOutRes <> 0 then
begin
InOutRes:=StoredIORes;
result:=false;
exit;
end;
end;
{$pop}
if (Length (Dir) > 1) and
(Dir [Length (Dir)] in AllowDirectorySeparators) and
(* Do not remove '\' after ':' (root directory of a drive)
or in '\\' (invalid path, possibly broken UNC path). *)
not (Dir [Length (Dir) - 1] in (AllowDriveSeparators + AllowDirectorySeparators)) then
dir:=copy(dir,1,length(dir)-1);
(* FileGetAttr returns -1 on error *)
FADir := FileGetAttr (Dir);
Result := (FADir <> -1) and
((FADir and faDirectory) = faDirectory);
end;
PROCEDURE find_setfields (VAR f : TAbstractSearchRec; VAR Name : RawByteString);
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 := FindData.EntryP^.d_nameDOS;
SetCodePage(name, DefaultFileSystemCodePage, false);
END ELSE
BEGIN
name := '';
END;
END;
END;
Function InternalFindFirst (Const Path : RawByteString; Attr : Longint; out Rslt : TAbstractSearchRec; var Name: RawByteString) : Longint;
var
SystemEncodedPath: RawByteString;
begin
IF path = '' then
exit (18);
SystemEncodedPath := ToSingleByteFileSystemEncodedFileName(Path);
Rslt.FindData.DirP := _opendir (PAnsiChar(SystemEncodedPath));
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;
result := 18;
end else
begin
find_setfields (Rslt,Name);
result := 0;
end;
end;
Function InternalFindNext (var Rslt : TAbstractSearchRec; var Name : RawByteString) : 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);
find_setfields (Rslt,Name);
result := 0;
end;
Procedure InternalFindClose (var Handle: THandle; var FindData: TFindData);
begin
IF FindData.Magic = $AD01 THEN
BEGIN
IF FindData.DirP <> NIL THEN
_closedir (FindData.DirP);
FindData.Magic := 0;
FindData.DirP := NIL;
FindData.EntryP := NIL;
END;
end;
Function FileGetDate (Handle : THandle) : Int64;
Var Info : NWStatBufT;
PTM : PNWTM;
begin
If _fstat(Handle,Info) <> 0 then
Result:=-1
else
begin
PTM := _localtime (Info.st_mtime);
IF PTM = NIL THEN
exit(-1)
else
WITH PTM^ DO
Result:=DateTimeToFileDate(EncodeDate(tm_year+1900,tm_mon+1,tm_mday)+EncodeTime(tm_hour,tm_min,tm_sec,0));
end;
end;
Function FileSetDate (Handle : THandle; Age : Int64) : Longint;
begin
{ i think its impossible under netware from FileHandle. I dident found a way to get the
complete pathname of a filehandle, that would be needed for ChangeDirectoryEntry }
FileSetDate:=-1;
ConsolePrintf ('warning: fpc sysutils.FileSetDate not implemented'#13#10,0);
{$warning FileSetDate not implemented (i think is impossible) }
end;
Function FileGetAttr (Const FileName : RawByteString) : Longint;
Var Info : NWStatBufT;
SystemFileName: RawByteString;
begin
SystemFileName:=ToSingleByteFileSystemEncodedFileName(FileName);
If _stat (PAnsiChar(SystemFileName),Info) <> 0 then
Result:=-1
Else
Result := Info.st_attr AND $FFFF;
end;
Function FileSetAttr (Const Filename : RawByteString; Attr: longint) : Longint;
VAR MS : NWModifyStructure;
SystemFileName: RawByteString;
begin
{ The Attr parameter is not used! }
SystemFileName:=ToSingleByteFileSystemEncodedFileName(FileName);
FillChar (MS, SIZEOF (MS), 0);
if _ChangeDirectoryEntry (PAnsiChar (SystemFilename), MS, MFileAtrributesBit, 0) <> 0 then
result := -1
else
result := 0;
end;
Function DeleteFile (Const FileName : RawByteString) : Boolean;
var
SystemFileName: RawByteString;
begin
SystemFileName:=ToSingleByteFileSystemEncodedFileName(FileName);
Result:= (_UnLink (PAnsiChar(SystemFileName)) = 0);
end;
Function RenameFile (Const OldName, NewName : RawByteString) : Boolean;
var
OldSystemFileName, NewSystemFileName: RawByteString;
begin
OldSystemFileName:=ToSingleByteFileSystemEncodedFileName(OldName);
NewSystemFileName:=ToSingleByteFileSystemEncodedFileName(NewName);
RenameFile:=(_rename(PAnsiChar(OldSystemFileName),PAnsiChar(NewSystemFileName)) = 0);
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 PAnsiChar=(
'.',
'a:.',
'b:.',
'sys:/'
);
var
Drives : byte;
DriveStr : array[4..26] of PAnsiChar;
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);
{$warning DiskFree not implemented (does it make sense ?) }
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);
{$warning DiskSize not implemented (does it make sense ?) }
End;
function DirectoryExists (const Directory: string; FollowLink : Boolean): boolean;
var
Info : NWStatBufT;
SystemFileName: RawByteString;
begin
SystemFileName:=ToSingleByteFileSystemEncodedFileName(Directory);
If _stat (PAnsiChar(SystemFileName),Info) <> 0 then
exit(false)
else
Exit ((Info.st_attr and faDirectory) <> 0);
end;
{****************************************************************************
Misc Functions
****************************************************************************}
procedure SysBeep;
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
InitInternationalGeneric;
InitAnsi;
end;
function SysErrorMessage(ErrorCode: Integer): String;
begin
Result:=''; // StrError(ErrorCode);
end;
{****************************************************************************
OS utility functions
****************************************************************************}
Function GetEnvironmentVariable(Const EnvVar : String) : String;
begin
Result:=_getenv(PAnsiChar(EnvVar));
end;
Function GetEnvironmentVariableCount : Integer;
begin
// Result:=FPCCountEnvVar(EnvP);
Result:=0;
end;
Function GetEnvironmentString(Index : Integer) : {$ifdef FPC_RTL_UNICODE}UnicodeString{$else}AnsiString{$endif};
begin
// Result:=FPCGetEnvStrFromP(Envp,Index);
Result:='';
end;
function ExecuteProcess(Const Path: RawByteString; Const ComLine: RawByteString;Flags:TExecuteFlags=[]):integer;
var
e : EOSError;
CommandLine: RawByteString;
begin
dos.exec(path,comline);
if (Dos.DosError <> 0) then
begin
if ComLine <> '' then
CommandLine := Path + ' ' + ComLine
else
CommandLine := Path;
e:=EOSError.CreateFmt(SExecuteProcessFailed,[CommandLine,Dos.DosError]);
e.ErrorCode:=Dos.DosError;
raise e;
end;
Result := DosExitCode;
end;
function ExecuteProcess (const Path: RawByteString;
const ComLine: array of RawByteString;Flags:TExecuteFlags=[]): integer;
var
CommandLine: RawByteString;
I: integer;
begin
Commandline := '';
for I := 0 to High (ComLine) do
if Pos (' ', ComLine [I]) <> 0 then
CommandLine := CommandLine + ' ' + '"' + ComLine [I] + '"'
else
CommandLine := CommandLine + ' ' + Comline [I];
ExecuteProcess := ExecuteProcess (Path, CommandLine);
end;
procedure Sleep(milliseconds: Cardinal);
begin
_delay (milliseconds);
end;
Function GetLastOSError : Integer;
begin
Result:=Integer(__get_errno_ptr^);
end;
{****************************************************************************
Initialization code
****************************************************************************}
Initialization
InitExceptions; { Initialize exceptions. OS independent }
InitInternational; { Initialize internationalization settings }
OnBeep:=@SysBeep;
Finalization
FreeTerminateProcs;
DoneExceptions;
end.