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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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Disc2.iso
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vc98
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crt
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src
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_iostrea.cpp
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C/C++ Source or Header
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1998-06-17
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2KB
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75 lines
/***
* iostream.cpp - definitions for iostream classes
*
* Copyright (c) 1991-1997, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Contains the member function definitions for iostream classes. Also,
* precompile all header files used by iostream lib into iostream.pch.
*
*******************************************************************************/
// NOTE: the follow must include ALL header files used by any of the iostream
// source files which we want built into iostream.pch. It is necessary
// to have the pch associated with exactly one of the library modules
// for efficient storage of Codeview info.
#include <cruntime.h>
#include <internal.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <share.h>
#include <fcntl.h>
#include <io.h>
#include <ios.h>
#include <sys\types.h>
#include <float.h>
#include <iostream.h>
#include <fstream.h>
#include <strstrea.h>
#include <stdiostr.h>
#include <dbgint.h>
#pragma hdrstop // end of headers to precompile
#if defined (_MT) && defined (_DEBUG)
// Critical section size should never change, but just to be safe...
#include <windows.h>
#endif /* defined (_MT) && defined (_DEBUG) */
iostream::iostream()
: istream(), ostream()
{
#ifdef _MT
_ASSERTE(sizeof(_CRT_CRITICAL_SECTION) == sizeof(RTL_CRITICAL_SECTION));
#endif /* _MT */
}
iostream::iostream(streambuf * _sb)
: istream(_sb), ostream(_sb)
{
#ifdef _MT
_ASSERTE(sizeof(_CRT_CRITICAL_SECTION) == sizeof(RTL_CRITICAL_SECTION));
#endif /* _MT */
}
iostream::iostream(const iostream& _strm)
: istream(_strm), ostream(_strm)
{
#ifdef _MT
_ASSERTE(sizeof(_CRT_CRITICAL_SECTION) == sizeof(RTL_CRITICAL_SECTION));
#endif /* _MT */
}
iostream::~iostream()
{
// if both input and output share the same streambuf, but not the same ios,
// make sure only deleted once
if ((istream::bp==ostream::bp) && (&istream::bp!=&ostream::bp))
istream::bp = NULL; // let ostream::ios::~ios() do it
}