|
@@ -1,97 +0,0 @@
|
|
-{
|
|
|
|
- $Id$
|
|
|
|
- This file is part of the Free Component Library (FCL)
|
|
|
|
- Copyright (c) 1998 by the Free Pascal development team
|
|
|
|
-
|
|
|
|
- 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.
|
|
|
|
-
|
|
|
|
- **********************************************************************}
|
|
|
|
-{
|
|
|
|
- This file implements the system-dependent calls needed for the
|
|
|
|
- classes unit.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-{
|
|
|
|
- oscalls contains a copy of the needed functions from syscalls.inc
|
|
|
|
- to make things go faster.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-Function OSCreateFile (Const Filename : string; Mode : Longint) : longint;
|
|
|
|
-{
|
|
|
|
- Creates a file with name FileName, using mode MODE
|
|
|
|
- --> Filename : String giving the path to the file.
|
|
|
|
- Mode : Mode can be
|
|
|
|
- fmCreate : Create file;
|
|
|
|
- fmOpenRead : open for reading;
|
|
|
|
- fmOpenWrite : open for writing;
|
|
|
|
- <-- File Handle, or -1 on error.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-Begin
|
|
|
|
-End;
|
|
|
|
-
|
|
|
|
-Function OSReadHandle(Handle : Longint;Var Buffer; Count : Longint): Longint;
|
|
|
|
-{
|
|
|
|
- Read from a handle
|
|
|
|
- --> Handle : file,pipe,etc Handle to read from.
|
|
|
|
- Buffer : Location where to put the read bytes.
|
|
|
|
- Count : Number of bytes that should be read
|
|
|
|
- <-- Number of bytes actually read, or -1 on error.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-begin
|
|
|
|
-end;
|
|
|
|
-
|
|
|
|
-Function OSWriteHandle(Handle : Longint;var Buffer; Count : longint) : Longint;
|
|
|
|
-{
|
|
|
|
- Write to a handle
|
|
|
|
- --> Handle : file,pipe,etc Handle to write to.
|
|
|
|
- Buffer : Location where to get the bytes.
|
|
|
|
- Count : Number of bytes that should be written.
|
|
|
|
- <-- Number of bytes actually written, or -1 on error.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-begin
|
|
|
|
-end;
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-Function OSSetHandleSize (Handle,Size : Longint) : longint;
|
|
|
|
-{
|
|
|
|
- Set size of handle (for files only)
|
|
|
|
- --> Handle : Handle to set size for.
|
|
|
|
- Size : Size to be set.
|
|
|
|
- <-- 0 on succes or -1 on error.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-begin
|
|
|
|
-end;
|
|
|
|
-
|
|
|
|
-Function OSSeekHandle (Handle,OffSet,Origin : longint) : longint;
|
|
|
|
-{
|
|
|
|
- Seek Handle position starting from Origin
|
|
|
|
- --> Handle : Handle of file to do seek on.
|
|
|
|
- Offset : Position to seek.
|
|
|
|
- Origin : Where to start seek:
|
|
|
|
- soFromBeginning
|
|
|
|
- soFromCurrent
|
|
|
|
- soFromEnd
|
|
|
|
- <-- -1 on error, else the new fileposition in bytes from the origin.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-begin
|
|
|
|
-end;
|
|
|
|
-
|
|
|
|
-Function OSCloseHandle (Handle : longint) : longint;
|
|
|
|
-{
|
|
|
|
- Close file associated with HAndle.
|
|
|
|
- --> Handle : Handle of file to do seek on.
|
|
|
|
- <-- 0 on succes, -1 on error.
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-begin
|
|
|
|
-end;
|
|
|