fsbconsf.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 57 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
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*  ========================================================================
*
* Description:
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****************************************************************************/

#ifdef __SW_FH
#include "iost.h"
#else
#include "variety.h"
#include <stdio.h>
#include <fstream>
#endif
#include "ioutil.h"

namespace std {

  // Construct an fstreambase that is initialized and attached to the
  // specified file, using the specified buf. No point in calling
  // non-default constructors since there are multiply-inherited derived
  // classes that will only call the default constructors anyway.

  fstreambase::fstreambase( filedesc fd, char *buf, int len ) {

    ios::init( &__flbuf );
    if( __flbuf.attach( fd ) == NULL ) {
        ios::setstate( ios::failbit | ios::badbit );
    }
    setbuf( buf, len );
  }

}