handleio

git-svn-id: svn://kolibrios.org@613 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-08-26 09:08:14 +00:00
parent 4bfb625f10
commit 52facee6d5
10 changed files with 1069 additions and 0 deletions
--- a/watcom/trunk/clib/handleio/iomode.c
+++ b/watcom/trunk/clib/handleio/iomode.c
@@ -0,0 +1,80 @@
+/****************************************************************************
+*
+*                            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
+