forked from KolibriOS/kolibrios
449 lines
9.9 KiB
ObjectPascal
449 lines
9.9 KiB
ObjectPascal
unit sysutils;
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{$i _defines.inc}
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interface
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{$mode objfpc}
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{ force ansistrings }
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{$h+}
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{$DEFINE HAS_SLEEP}
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{-$DEFINE HAS_OSERROR}
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{-$DEFINE HAS_OSCONFIG}
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{-$DEFINE HAS_CREATEGUID}
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{ Include platform independent interface part }
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{$i sysutilh.inc}
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implementation
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uses
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SysConst;
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{-$define HASCREATEGUID}
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{-$define HASEXPANDUNCFILENAME}
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{-$DEFINE FPC_NOGENERICANSIROUTINES}
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{-$DEFINE FPC_FEXPAND_UNC} (* UNC paths are supported *)
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{-$DEFINE FPC_FEXPAND_DRIVES} (* Full paths begin with drive specification *)
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{ Include platform independent implementation part }
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{$i sysutils.inc}
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{****************************************************************************
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File Functions
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****************************************************************************}
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const
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FILEHANDLEPREFIX = $4000;
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type
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PFileRecord = ^TFileRecord;
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TFileRecord = record
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Filled: Boolean;
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F: File;
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end;
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var
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FileHandles: array of TFileRecord;
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function FileRecordByHandle(Handle: THandle): PFileRecord;
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begin
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Dec(Handle, FILEHANDLEPREFIX);
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Result := @FileHandles[Handle];
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end;
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function CreateFileRecord(): THandle;
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var
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I, C: Longword;
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begin
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Result := -1;
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C := Length(FileHandles);
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for I := 0 to C - 1 do
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if not FileHandles[I].Filled then
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begin
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Result := I;
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Break;
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end;
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if Result < 0 then
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begin
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SetLength(FileHandles, C + 1);
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Result := C;
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end;
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FileHandles[Result].Filled := True;
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FillChar(FileHandles[Result].F, SizeOf(FileRec), 0);
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Inc(Result, FILEHANDLEPREFIX);
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end;
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procedure ReleaseFileRecord(Handle: THandle);
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begin
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FileRecordByHandle(Handle)^.Filled := False;
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end;
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function FileOpen(const FileName: String; Mode: Integer): THandle;
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var
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F: File;
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begin
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Filemode := Mode;
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Assign(F, FileName);
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Reset(F, 1);
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if InOutRes = 0 then
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begin
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Result := CreateFileRecord();
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FileRecordByHandle(Result)^.F := F;
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end else
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Result := feInvalidHandle;
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end;
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function FileCreate(const FileName: String): THandle;
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var
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F: File;
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begin
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Assign(F, FileName);
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Rewrite(F, 1);
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if InOutRes = 0 then
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begin
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Result := CreateFileRecord();
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FileRecordByHandle(Result)^.F := F;
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end else
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Result := feInvalidHandle;
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end;
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function FileCreate(const FileName: String; Mode: Integer): THandle;
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var
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F: File;
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begin
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Filemode := Mode;
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Assign(F, FileName);
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Rewrite(F, 1);
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if InOutRes = 0 then
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begin
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Result := CreateFileRecord();
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FileRecordByHandle(Result)^.F := F;
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end else
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Result := feInvalidHandle;
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end;
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function FileRead(Handle: THandle; var Buffer; Count: Longint): Longint;
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begin
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BlockRead(FileRecordByHandle(Handle)^.F, Buffer, Count, Result);
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end;
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function FileWrite(Handle: THandle; const Buffer; Count: Longint): Longint;
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begin
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BlockWrite(FileRecordByHandle(Handle)^.F, Buffer, Count, Result);
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end;
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function FileSeek(Handle: THandle; FOffset, Origin: Longint): Longint;
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begin
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Result := FileSeek(Handle, Int64(FOffset), Origin);
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end;
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function FileSeek(Handle: THandle; FOffset: Int64; Origin: Longint): Int64;
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var
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Position: Int64;
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begin
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case Origin of
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fsFromBeginning: Position := FOffset;
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fsFromCurrent: Position := FilePos(FileRecordByHandle(Handle)^.F) + FOffset;
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fsFromEnd: Position := FileSize(FileRecordByHandle(Handle)^.F) + FOffset;
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end;
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{TODO: <20><EFBFBD>ઠ ᮮ⢥<E1AEAE><E2A2A5>⢨<EFBFBD> [0..filesize]}
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Seek(FileRecordByHandle(Handle)^.F, Position);
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Result := Position;
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end;
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procedure FileClose(Handle: THandle);
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begin
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Close(FileRecordByHandle(Handle)^.F);
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ReleaseFileRecord(Handle);
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end;
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function FileTruncate(Handle: THandle; Size: Longint): Boolean;
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begin
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Result := False;
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end;
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function FileAge(const FileName: String): Longint;
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begin
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Result := 0;
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end;
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function FileExists(const FileName: String): Boolean;
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var
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F: File;
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begin
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Assign(F, FileName);
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try
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Reset(F);
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FileSize(F);
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Result := True;
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except
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Result := False;
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end;
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Close(F);
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end;
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function DirectoryExists(const Directory: String): Boolean;
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begin
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Result := False;
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end;
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function FindMatch(var f: TSearchRec): Longint;
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begin
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Result := feInvalidHandle;
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end;
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function FindFirst(const Path: String; Attr: Longint; out Rslt: TSearchRec): Longint;
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begin
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Result := feInvalidHandle;
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end;
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function FindNext(var Rslt: TSearchRec): Longint;
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begin
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Result := feInvalidHandle;
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end;
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procedure FindClose(var F: TSearchrec);
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begin
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end;
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function FileGetDate(Handle: THandle): Longint;
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begin
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Result := feInvalidHandle;
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end;
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function FileSetDate(Handle: THandle; Age: Longint): Longint;
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begin
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Result := feInvalidHandle;
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end;
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function FileGetAttr(const FileName: String): Longint;
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begin
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Result := feInvalidHandle;
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end;
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function FileSetAttr(const Filename: String; Attr: longint): Longint;
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begin
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Result := feInvalidHandle;
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end;
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function DeleteFile(const FileName: String): Boolean;
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begin
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Result := False;
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end;
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function RenameFile(const OldName, NewName: String): Boolean;
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begin
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Result := False;
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end;
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{****************************************************************************
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Disk Functions
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****************************************************************************}
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function DiskFree(drive: Byte): Int64;
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begin
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Result := 0;
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end;
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function DiskSize(drive: Byte): Int64;
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begin
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Result := 0;
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end;
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function GetCurrentDir: String;
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begin
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GetDir(0, Result);
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end;
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function SetCurrentDir(const NewDir: String): Boolean;
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var
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Path: String;
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begin
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ChDir(NewDir);
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GetDir(0, Path);
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Result := Path = NewDir;
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end;
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function CreateDir(const NewDir: String): Boolean;
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begin
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Result := False;
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end;
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function RemoveDir(const Dir: String): Boolean;
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begin
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Result := False;
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end;
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{****************************************************************************
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Time Functions
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****************************************************************************}
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procedure GetLocalTime(var SystemTime: TSystemTime);
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begin
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end;
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{****************************************************************************
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Misc Functions
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****************************************************************************}
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procedure Beep;
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begin
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end;
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{****************************************************************************
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Locale Functions
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****************************************************************************}
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procedure GetFormatSettings;
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var
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HF: String;
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begin
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ShortMonthNames[1] := SShortMonthNameJan;
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ShortMonthNames[2] := SShortMonthNameFeb;
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ShortMonthNames[3] := SShortMonthNameMar;
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ShortMonthNames[4] := SShortMonthNameApr;
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ShortMonthNames[5] := SShortMonthNameMay;
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ShortMonthNames[6] := SShortMonthNameJun;
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ShortMonthNames[7] := SShortMonthNameJul;
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ShortMonthNames[8] := SShortMonthNameAug;
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ShortMonthNames[9] := SShortMonthNameSep;
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ShortMonthNames[10] := SShortMonthNameOct;
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ShortMonthNames[11] := SShortMonthNameNov;
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ShortMonthNames[12] := SShortMonthNameDec;
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LongMonthNames[1] := SLongMonthNameJan;
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LongMonthNames[2] := SLongMonthNameFeb;
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LongMonthNames[3] := SLongMonthNameMar;
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LongMonthNames[4] := SLongMonthNameApr;
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LongMonthNames[5] := SLongMonthNameMay;
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LongMonthNames[6] := SLongMonthNameJun;
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LongMonthNames[7] := SLongMonthNameJul;
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LongMonthNames[8] := SLongMonthNameAug;
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LongMonthNames[9] := SLongMonthNameSep;
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LongMonthNames[10] := SLongMonthNameOct;
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LongMonthNames[11] := SLongMonthNameNov;
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LongMonthNames[12] := SLongMonthNameDec;
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ShortDayNames[1] := SShortDayNameMon;
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ShortDayNames[2] := SShortDayNameTue;
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ShortDayNames[3] := SShortDayNameWed;
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ShortDayNames[4] := SShortDayNameThu;
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ShortDayNames[5] := SShortDayNameFri;
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ShortDayNames[6] := SShortDayNameSat;
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ShortDayNames[7] := SShortDayNameSun;
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LongDayNames[1] := SLongDayNameMon;
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LongDayNames[2] := SLongDayNameTue;
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LongDayNames[3] := SLongDayNameWed;
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LongDayNames[4] := SLongDayNameThu;
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LongDayNames[5] := SLongDayNameFri;
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LongDayNames[6] := SLongDayNameSat;
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LongDayNames[7] := SShortDayNameSun;
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DateSeparator := '/';
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ShortDateFormat := 'd/mm/yy';
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LongDateFormat := 'd mmmm yyyy';
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{ Time stuff }
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TimeSeparator := ':';
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TimeAMString := 'AM';
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TimePMString := 'PM';
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HF := 'hh';
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// No support for 12 hour stuff at the moment...
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ShortTimeFormat := HF + ':nn';
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LongTimeFormat := HF + ':nn:ss';
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{ Currency stuff }
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CurrencyString := '';
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CurrencyFormat := 0;
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NegCurrFormat := 0;
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{ Number stuff }
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ThousandSeparator := ',';
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DecimalSeparator := '.';
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CurrencyDecimals := 2;
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end;
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Procedure InitInternational;
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begin
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InitInternationalGeneric;
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GetFormatSettings;
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end;
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{****************************************************************************
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Target Dependent
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****************************************************************************}
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function SysErrorMessage(ErrorCode: Integer): String;
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const
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MaxMsgSize = 255;
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var
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MsgBuffer: PChar;
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begin
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GetMem(MsgBuffer, MaxMsgSize);
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FillChar(MsgBuffer^, MaxMsgSize, #0);
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{TODO}
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Result := StrPas(MsgBuffer);
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FreeMem(MsgBuffer, MaxMsgSize);
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end;
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{****************************************************************************
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Initialization code
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****************************************************************************}
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Function GetEnvironmentVariable(Const EnvVar: String): String;
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begin
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Result := '';
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end;
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Function GetEnvironmentVariableCount: Integer;
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begin
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Result := 0;
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end;
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Function GetEnvironmentString(Index : Integer) : String;
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begin
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Result := '';
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end;
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function ExecuteProcess(Const Path: AnsiString; Const ComLine: AnsiString): Integer;
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begin
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Result := 0;
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end;
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function ExecuteProcess(Const Path: AnsiString; Const ComLine: Array of AnsiString): Integer;
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var
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CommandLine: AnsiString;
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i: Integer;
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begin
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Commandline:='';
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For i:=0 to high(ComLine) Do
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Commandline:=CommandLine+' '+Comline[i];
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ExecuteProcess:=ExecuteProcess(Path,CommandLine);
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end;
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procedure Sleep(Milliseconds: Cardinal);
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begin
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kos_delay(Milliseconds div 10);
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end;
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function GetLastOSError: Integer;
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begin
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Result := -1;
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end;
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initialization
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InitExceptions;
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InitInternational;
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finalization
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DoneExceptions;
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end.
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