ioiclog.cpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C++ 代码 · 共 70 行

/****************************************************************************
*
*                            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
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*
*  ========================================================================
*
* Description:
*
****************************************************************************/

#ifdef __SW_FH
#include "iost.h"
#else
#include "variety.h"
#include <unistd.h>
#include <iostream>
#include <stdiobuf.h>
#endif
#include "ioutil.h"

#pragma initialize 21;

// This struct is just a place holder to control the initialization and
// finalization of clog
struct clog_initfini {
  clog_initfini();
 ~clog_initfini();
};

// This is the definition of the predefined stream buffer:
static stdiobuf clog_strmbuf( __get_std_stream( STDERR_FILENO ) );

// This is the definition of the predefined stream:
namespace std {
  ostream _HUGEDATA clog( &clog_strmbuf );
}

// This will force the extra initialization and finalization
static clog_initfini __standard_io_instance_clog;

clog_initfini::clog_initfini() {
  // Tie the streams together, for automatic flushing:
  std::clog.tie( &std::cout );
}

clog_initfini::~clog_initfini() {
  // Flush standard io buffers:
  std::clog.flush();
}