70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
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// iostream -- ios::Init members, initialize standard streams
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#include <locale>
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#include <fstream>
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#include <istream> /* NOT <iostream> */
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#include <new>
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_STD_BEGIN
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// OBJECT DECLARATIONS
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int ios_base::Init::_Init_cnt = -1;
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static filebuf fin(_Noinit);
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static filebuf fout(_Noinit);
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_CRTIMP2 istream cin(_Noinit);
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_CRTIMP2 ostream cout(_Noinit);
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static filebuf ferr(_Noinit);
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_CRTIMP2 ostream cerr(_Noinit);
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_CRTIMP2 ostream clog(_Noinit);
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_CRTIMP2 ios_base::Init::Init()
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{ // initialize standard streams first time
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bool doinit;
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{_Lockit _Lk;
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if (0 <= _Init_cnt)
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++_Init_cnt, doinit = false;
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else
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_Init_cnt = 1, doinit = true; }
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if (doinit)
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{ // initialize standard streams
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new (&fin) filebuf(stdin);
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new (&fout) filebuf(stdout);
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new (&cin) istream(&fin, true);
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new (&cout) ostream(&fout, true);
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cin.tie(&cout);
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new (&ferr) filebuf(stderr);
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new (&cerr) ostream(&ferr, true);
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cerr.tie(&cout);
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cerr.setf(ios_base::unitbuf);
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new (&clog) ostream(&ferr, true);
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clog.tie(&cout);
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}
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}
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_CRTIMP2 ios_base::Init::~Init()
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{ // flush standard streams last time
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bool doflush;
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{_Lockit _Lk;
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if (--_Init_cnt == 0)
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doflush = true;
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else
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doflush = false; }
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if (doflush)
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{ // flush standard streams
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cout.flush();
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cerr.flush();
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clog.flush();
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}
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_STD_END
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}
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const char _PJP_CPP_Copyright[] =
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"Portions of this work are derived"
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" from 'The Draft Standard C++ Library',\n"
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"copyright (c) 1994-1995 by P.J. Plauger,"
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" published by Prentice-Hall,\n"
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"and are used with permission.";
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/*
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* Copyright (c) 1994 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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*/
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