strmbdbp.cpp

C标准库源代码

/***
*strmbdbp.cpp - streambuf::dbp() debug routine
*
*       Copyright (c) 1991-1997, Microsoft Corporation.  All rights reserved.
*
*Purpose:
*       Dump debug info about streambuf to stdout.
*
*******************************************************************************/

#include <cruntime.h>
#include <internal.h>
#include <io.h>
#include <stdio.h>
#include <iostream.h>
#pragma hdrstop

#pragma check_stack(on)         // large buffer(s)

void streambuf::dbp()
{
int olen;
_WINSTATIC char obuffer[256];
    if (unbuffered())
        olen = sprintf(obuffer,
            "\nSTREAMBUF DEBUG INFO: this=%p, unbuffered\n",
            (void *) this);
    else
        {
        olen = sprintf(obuffer,
            "\nSTREAMBUF DEBUG INFO: this=%p, _fAlloc=%d\n"
            "  base()=%p, ebuf()=%p,  blen()=%d\n"
            " pbase()=%p, pptr()=%p, epptr()=%p\n"
            " eback()=%p, gptr()=%p, egptr()=%p\n",
            (void *) this, (_fAlloc),
             base(), ebuf(),  blen(),
            pbase(), pptr(), epptr(),
            eback(), gptr(), egptr());
        }
    _write(1,obuffer,olen);     // direct write to stdout
}