NT4/private/crt32/iostream/iostream.cxx
2020-09-30 17:12:29 +02:00

84 lines
2.1 KiB
C++

/***
* iostream.cxx - definitions for iostream classes
*
* Copyright (c) 1991-1992, 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.
*
*Revision History:
* 09-23-91 KRS Created.
* 11-13-91 KRS Rearranged.
* 11-20-91 KRS Added copy constructor and assignment operators.
* 01-23-92 KRS Merge pch.cxx into this file.
*
*******************************************************************************/
// 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 <sys\stat.h> // compile problems
#include <sys\types.h>
#include <float.h>
#include <iostream.h>
// #include <ios.h>
// #include <streamb.h>
// #include <istream.h>
// #include <ostream.h>
#include <fstream.h>
#include <strstrea.h>
#include <stdiostr.h>
#pragma hdrstop // end of headers to precompile
// CONSIDER: not used, is this required???
iostream::iostream()
: istream(), ostream()
{
// CONSIDER: do anything else?
}
iostream::iostream(streambuf * _sb)
: istream(_sb), ostream(_sb)
{
// CONSIDER: do anything else?
}
iostream::iostream(const iostream& _strm)
: istream(_strm), ostream(_strm)
{
// CONSIDER: do anything else?
}
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
// CONSIDER: do anything else?
}
/* done inline
iostream& iostream::operator=(streambuf* _sb)
{
istream::operator=(_sb);
ostream::operator=(_sb);
return *this;
}
*/