update CLib

git-svn-id: svn://kolibrios.org@614 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/open watcom/trunk/clib/streamio/iobaddr.c

@@ -0,0 +1,140 @@
+/****************************************************************************
+*
+*                            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