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Cream of the Crop 1
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Cream of the Crop 1.iso
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PROGRAM
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DJLSR106.ARJ
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STDSTREA.CC
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C/C++ Source or Header
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1992-03-29
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2KB
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71 lines
// This is part of the iostream library, providing input/output for C++.
// Copyright (C) 1992 Per Bothner.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free
// Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "ioprivate.h"
#include "ioconfig.h"
#ifdef NAMES_HAVE_UNDERSCORE
#define UNDERSCORE "_"
#else
#define UNDERSCORE ""
#endif
struct _fake_filebuf;
extern _fake_filebuf _cin_sbuf, _cout_sbuf, _cerr_sbuf;
#if 0 /* defined(__GNUC__) */
// This hack was intended to trick gdb into thinking cin is really a
// istream (and not a _fake_istream), but doesn't seem to work.
#define STR_NAME(TYPE, NAME) TYPE __##NAME asm(UNDERSCORE #NAME)
#else
#define STR_NAME(TYPE, NAME) TYPE NAME
#endif
#define cin CIN
#define cout COUT
#define cerr CERR
#define clog CLOG
#include "iostream.h"
#undef cin
#undef cout
#undef cerr
#undef clog
#ifdef __GNUG__
#define PAD 0 /* g++ allows 0-length arrays. */
#else
#define PAD 1
#endif
class _fake_istream {
_ios_fields base;
char filler[sizeof(struct istream)-sizeof(struct _ios_fields)+PAD];
};
class _fake_ostream {
_ios_fields base;
char filler[sizeof(struct ostream)-sizeof(struct _ios_fields)+PAD];
};
#define STD_STR(SBUF, TIE, EXTRA_FLAGS) \
(streambuf*)&SBUF, TIE, 0, ios::dont_close|ios::skipws|EXTRA_FLAGS, ' ', 0, 6
STR_NAME(_fake_ostream, cout) = { STD_STR(_cout_sbuf, NULL, 0) };
STR_NAME(_fake_ostream, cerr) =
{ STD_STR(_cerr_sbuf, (ostream*)&cout, ios::unitbuf) };
STR_NAME(_fake_istream, cin) = { STD_STR(_cin_sbuf, (ostream*)&cout, 0) };
/* Only for (partial) compatibility with AT&T's library. */
STR_NAME(_fake_ostream, clog) = { STD_STR(_cerr_sbuf, (ostream*)&cout, 0) };