Category : C++ Source Code
Archive   : VCCRT1.ZIP
Filename : STREAMB1.CXX

 
Output of file : STREAMB1.CXX contained in archive : VCCRT1.ZIP
/***
*streamb1.cxx - non-core functions for streambuf class.
*
* Copyright (c) 1990-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
* None-core functions for streambuf class.
*
*******************************************************************************/

#include
#pragma hdrstop


/***
*int streambuf::snextc() -
*
*Purpose:
* Increments get_pointer and returns the character following the new
* get_pointer.
*
*Entry:
* None.
*
*Exit:
* Returns the next character or EOF.
*
*Exceptions:
* Returns EOF if error.
*
*******************************************************************************/
int streambuf::snextc()
{
if (_fUnbuf)
{
if (x_lastc==EOF)
underflow(); // skip 1st character
return x_lastc = underflow(); // return next character, or EOF
}
else
{
if ((!egptr()) || (gptr()>=egptr()))
underflow(); // make sure buffer

if ((++_gptr) < egptr())
return (int)(unsigned char) *gptr();
return underflow(); // returns next character, or EOF
}
}


/***
*int streambuf::sbumpc() -
*
*Purpose:
* Increments get_pointer and returns the character that the previous
* get_pointer pointed to.
*
*Entry:
* None.
*
*Exit:
* Returns current character before bumping get pointer.
*
*Exceptions:
* Returns EOF if error.
*
*******************************************************************************/
int streambuf::sbumpc()
{
int c;
if (_fUnbuf) // no buffer
{
if (x_lastc==EOF)
{
c = underflow();
}
else
{
c = x_lastc;
x_lastc = EOF;
}
}
else
{
if( gptr() < egptr() )
{
c = (int)(unsigned char)*(gptr());
}
else
{
// UNDONE: possible recursion
c = underflow();
}
_gptr++;
}
return c;
}

/***
*void streambuf::stossc() - advance get pointer
*
*Purpose:
* Advances the get pointer. Does not check for EOF.
*
*Entry:
* None.
*
*Exit:
* None.
*
*Exceptions:
*
*******************************************************************************/
void streambuf::stossc()
{
if (_fUnbuf)
{
if (x_lastc==EOF)
underflow(); // throw away current character
else
x_lastc=EOF; // discard current cached character
}
else
{
if (gptr() >= egptr())
underflow();
if (gptr() < egptr())
_gptr++;
}
}

/***
*int streambuf::sgetc() -
*
*Purpose:
* Returns the character that the previous get_pointer points to.
* DOES NOT advance the get pointer.
*
*Entry:
* None.
*
*Exit:
* Returns current character or EOF if error.
*
*Exceptions:
* Returns EOF if error.
*
*******************************************************************************/
int streambuf::sgetc()
{
if (_fUnbuf) // no buffer
{
if (x_lastc==EOF)
x_lastc = underflow();
return x_lastc;
}
else
return underflow();
}


  3 Responses to “Category : C++ Source Code
Archive   : VCCRT1.ZIP
Filename : STREAMB1.CXX
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/