82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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/***
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* iostream.cpp - definitions for iostream classes
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*
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* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Contains the member function definitions for iostream classes. Also,
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* precompile all header files used by iostream lib into iostream.pch.
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*
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*Revision History:
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* 09-23-91 KRS Created.
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* 11-13-91 KRS Rearranged.
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* 11-20-91 KRS Added copy constructor and assignment operators.
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* 01-23-92 KRS Merge pch.cxx into this file.
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* 06-14-95 CFW Comment cleanup.
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*
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*******************************************************************************/
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// NOTE: the follow must include ALL header files used by any of the iostream
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// source files which we want built into iostream.pch. It is necessary
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// to have the pch associated with exactly one of the library modules
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// for efficient storage of Codeview info.
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#include <cruntime.h>
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#include <internal.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <ctype.h>
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#include <share.h>
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#include <fcntl.h>
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#include <io.h>
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#include <ios.h>
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#include <sys\types.h>
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#include <float.h>
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#include <iostream.h>
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#include <fstream.h>
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#include <strstrea.h>
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#include <stdiostr.h>
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#include <dbgint.h>
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#pragma hdrstop // end of headers to precompile
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#if defined(_MT) && defined(_DEBUG)
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// Critical section size should never change, but just to be safe...
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#include <windows.h>
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#endif
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iostream::iostream()
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: istream(), ostream()
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{
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#ifdef _MT
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_ASSERTE(sizeof(_CRT_CRITICAL_SECTION) == sizeof(RTL_CRITICAL_SECTION));
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#endif
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}
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iostream::iostream(streambuf * _sb)
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: istream(_sb), ostream(_sb)
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{
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#ifdef _MT
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_ASSERTE(sizeof(_CRT_CRITICAL_SECTION) == sizeof(RTL_CRITICAL_SECTION));
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#endif
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}
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iostream::iostream(const iostream& _strm)
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: istream(_strm), ostream(_strm)
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{
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#ifdef _MT
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_ASSERTE(sizeof(_CRT_CRITICAL_SECTION) == sizeof(RTL_CRITICAL_SECTION));
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#endif
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}
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iostream::~iostream()
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{
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// if both input and output share the same streambuf, but not the same ios,
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// make sure only deleted once
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if ((istream::bp==ostream::bp) && (&istream::bp!=&ostream::bp))
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istream::bp = NULL; // let ostream::ios::~ios() do it
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}
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