kolibrios-gitea/programs/develop/open watcom/trunk/clib/handleio/iomode.c
Sergey Semyonov (Serge) 52facee6d5 handleio
git-svn-id: svn://kolibrios.org@613 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-08-26 09:08:14 +00:00

81 lines
2.5 KiB
C

/****************************************************************************
*
* Open Watcom Project
*
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
* ========================================================================
*
* This file contains Original Code and/or Modifications of Original
* Code as defined in and that are subject to the Sybase Open Watcom
* Public License version 1.0 (the 'License'). You may not use this file
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
* provided with the Original Code and Modifications, and is also
* available at www.sybase.com/developer/opensource.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
* NON-INFRINGEMENT. Please see the License for the specific language
* governing rights and limitations under the License.
*
* ========================================================================
*
* Description: io_mode handle information array manipulation
*
****************************************************************************/
#include "variety.h"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "rtdata.h"
//#include "liballoc.h"
#include "fileacc.h"
#include "rtinit.h"
#include "seterrno.h"
#include "iomode.h"
unsigned __NFiles = _NFILES; /* maximum # of files we can open */
#if defined(__NETWARE__)
#error NO IO MODE MANAGER UNDER NETWARE
#endif
#if !defined(__UNIX__)
unsigned _HUGEDATA __init_mode[_NFILES] = { /* file mode information (flags) */
_READ, /* stdin */
_WRITE, /* stdout */
_WRITE, /* stderr */
_READ|_WRITE, /* stdaux */
_WRITE /* stdprn */
};
unsigned *__io_mode = __init_mode; /* initially points to static array */
unsigned __GetIOMode( int handle )
{
if( handle >= __NFiles )
{
return( 0 );
}
return( __io_mode[handle] );
}
void __SetIOMode_nogrow( int handle, unsigned value )
{
if( handle < __NFiles )
{
__io_mode[handle] = value; /* we're closing it; smite _INITIALIZED */
}
}
#endif