kolibrios-gitea/programs/develop/open watcom/trunk/clib/streamio/iobaddr.c

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/****************************************************************************
*
* 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: Standard stream/file accessor routines.
*
****************************************************************************/
#include "variety.h"
#include <stdio.h>
#include "rtdata.h"
#if !defined( __NETWARE__ ) && !defined( _THIN_LIB )
_WCRTLINK FILE *__get_std_stream( unsigned handle )
{
if( handle > NUM_STD_STREAMS ) {
return( NULL );
} else {
return( &_RWD_iob[handle] );
}
}
_WCRTLINK FILE *__get_std_file( unsigned handle )
{
return( __get_std_stream( handle ) );
}
#else
#include <io.h>
#if defined( _NETWARE_LIBC )
extern FILE **___stdin ( void );
extern FILE **___stdout( void );
extern FILE **___stderr( void );
extern FILE **___cin ( void );
extern FILE **___cout ( void );
_WCRTLINK FILE *__get_std_stream( unsigned handle )
{
FILE *pFile = NULL;
switch( handle ) {
case STDIN_FILENO:
pFile = *___stdin();
break;
case STDOUT_FILENO:
pFile = *___stdout();
break;
case STDERR_FILENO:
pFile = *___stderr();
break;
default:
break;
}
return( pFile );
}
#elif defined( _NETWARE_CLIB )
extern FILE **__get_stdin ( void );
extern FILE **__get_stdout( void );
extern FILE **__get_stderr( void );
_WCRTLINK FILE *__get_std_stream( unsigned handle )
{
FILE *pFile = NULL;
switch( handle ) {
case STDIN_FILENO:
pFile = *__get_stdin();
break;
case STDOUT_FILENO:
pFile = *__get_stdout();
break;
case STDERR_FILENO:
pFile = *__get_stderr();
break;
default:
break;
}
return( pFile );
}
#endif
#endif
#if defined( __NETWARE__ ) && !defined( _THIN_LIB )
#include <io.h>
FILE **__get_stdin( void )
{
static FILE *stdin_ptr;
stdin_ptr = __get_std_stream( STDIN_FILENO );
return( &stdin_ptr );
}
FILE **__get_stdout( void )
{
static FILE *stdout_ptr;
stdout_ptr = __get_std_stream( STDOUT_FILENO );
return( &stdout_ptr );
}
FILE **__get_stderr( void )
{
static FILE *stderr_ptr;
stderr_ptr = __get_std_stream( STDERR_FILENO );
return( &stderr_ptr );
}
#endif