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https://gitlab.com/freepascal.org/fpc/source.git
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118 lines
2.7 KiB
PHP
118 lines
2.7 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 2005 by Free Pascal development team
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Low level file functions
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GBA does not have any drive, so no file handling is needed.
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Copyright (c) 2006 by Francesco Lombardi
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{****************************************************************************
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Low level File Routines
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All these functions can set InOutRes on errors
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****************************************************************************}
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{ close a file from the handle value }
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procedure do_close(handle : longint);
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begin
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if assigned (@rtl_do_close) then
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rtl_do_close(handle);
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end;
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procedure do_erase(p : PAnsiChar; pchangeable: boolean);
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begin
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if assigned (@rtl_do_erase) then
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rtl_do_erase(p);
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end;
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procedure do_rename(p1,p2 : PAnsiChar; p1changeable, p2changeable: boolean);
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begin
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if assigned (@rtl_do_rename) then
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rtl_do_rename(p1, p2);
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end;
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function do_write(h: longint; addr: pointer; len: longint) : longint;
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begin
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if assigned (rtl_do_write) then
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result := rtl_do_write(h, addr, len)
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else
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result := -1;
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end;
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function do_read(h: longint; addr: pointer; len: longint) : longint;
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begin
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if assigned (rtl_do_read) then
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result := rtl_do_read(h, addr, len)
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else
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result := -1;
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end;
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function do_filepos(handle: longint) : longint;
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begin
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if assigned (rtl_do_filepos) then
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result := rtl_do_filepos(handle)
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else
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result := -1;
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end;
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procedure do_seek(handle, pos: longint);
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begin
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if assigned (rtl_do_seek) then
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rtl_do_seek(handle, pos);
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end;
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function do_seekend(handle: longint):longint;
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begin
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if assigned (rtl_do_seekend) then
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result := rtl_do_seekend(handle)
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else
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result := -1;
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end;
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function do_filesize(handle : longint) : longint;
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begin
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result := -1;
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if assigned (rtl_do_filesize) then
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result := rtl_do_filesize(handle);
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end;
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{ truncate at a given position }
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procedure do_truncate(handle, pos: longint);
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begin
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if assigned (rtl_do_truncate) then
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rtl_do_truncate(handle, pos);
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end;
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procedure do_open(var f;p:PFileTextRecChar;flags:longint; pchangeable: boolean);
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begin
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if assigned (rtl_do_open) then
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rtl_do_open(f, p, flags);
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end;
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function do_isdevice(handle: THandle): boolean;
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begin
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result := false;
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if assigned (rtl_do_isdevice) then
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result := rtl_do_isdevice(handle);
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end;
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