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fileio.ch
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1999-09-15
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/*
* $Id: fileio.ch,v 1.11 1999/09/15 14:03:36 vszel Exp $
*/
/*
* Harbour Project source code:
* Header file for file management functions
*
* Copyright 1999 David G. Holm <dholm@jsd-llc.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
/*
* ChangeLog:
*
* V 1.5 David G. Holm Added my email address.
* V 1.4 David G. Holm Added copyright and license header,
* along with a complete version history.
* V 1.3 Victor Szel Undocumented change.
* V 1.2 David G. Holm Corrected RCS Id keyword.
* V 1.1 David G. Holm Committed to CVS.
* V 1.0 David G. Holm Initial version.
*
*/
/* NOTE: This file is also used by C code. */
#ifndef _FILEIO_CH
#define _FILEIO_CH
/* File create flags */
#define FC_NORMAL 0x0000 /* No file attributes are set */
#define FC_READONLY 0x0001 /* Read-only file attribute is set */
#define FC_HIDDEN 0x0002 /* Hidden file attribute is set */
#define FC_SYSTEM 0x0004 /* System file attribute is set */
/* File locking flags */
#define FL_LOCK 0x0000 /* Lock a region */
#define FL_UNLOCK 0x0001 /* Unlock a region */
/* File access flags */
#define FO_READ 0x0000 /* File is opened for reading */
#define FO_WRITE 0x0001 /* File is opened for writing */
#define FO_READWRITE 0x0002 /* File is opened for reading and writing */
/* File sharing flags */
#define FO_COMPAT 0x0000 /* No sharing specified */
#define FO_EXCLUSIVE 0x0010 /* Deny further attempts to open the file */
#define FO_DENYWRITE 0x0020 /* Deny further attempts to open the file for writing */
#define FO_DENYREAD 0x0030 /* Deny further attempts to open the file for reading */
#define FO_DENYNONE 0x0040 /* Do not deny any further attempts to open the file */
#define FO_SHARED FO_DENYNONE
/* File inheritance flags */
#define FO_INHERITED 0x0000 /* Spawned processes can inherit this file handle */
#define FO_PRIVATE 0x0080 /* Spawned processes can not inherit this file handle */
/* File seek mode flags */
#define FS_SET 0x0000 /* Seek from beginning of file */
#define FS_RELATIVE 0x0001 /* Seek from current file poitner */
#define FS_END 0x0002 /* Seek from end of file */
/* File mode flags */
#define FM_BINARY 1 /* Binary mode (raw) */
#define FM_TEXT 2 /* Test mode (cooked) */
/* File system error codes */
#define F_ERROR ( -1 ) /* Unspecified error */
/* Extended file open mode flags */
#define FXO_TRUNCATE 0x0100 /* Create (truncate if exists) */
#define FXO_APPEND 0x0200 /* Create (append if exists) */
#define FXO_FORCEEXT 0x0800 /* Force default extension */
#define FXO_DEFAULTS 0x1000 /* Use SET command defaults */
#define FXO_DEVICERAW 0x2000 /* Open devices in raw mode */
#endif /* _FILEIO_CH */