iostream.h

C标准库源代码

/***
*iostream.h - definitions/declarations for iostream classes
*
*       Copyright (c) 1990-1997, Microsoft Corporation.  All rights reserved.
*
*Purpose:
*       This file defines the classes, values, macros, and functions
*       used by the iostream classes.
*       [AT&T C++]
*
*       [Public]
*
****/

#if _MSC_VER > 1000
#pragma once
#endif  /* _MSC_VER > 1000 */

#ifdef __cplusplus

#ifndef _INC_IOSTREAM
#define _INC_IOSTREAM

#if !defined (_WIN32) && !defined (_MAC)
#error ERROR: Only Mac or Win32 targets supported!
#endif  /* !defined (_WIN32) && !defined (_MAC) */

#ifndef _CRTBLD
/* This version of the header files is NOT for user programs.
 * It is intended for use when building the C runtimes ONLY.
 * The version intended for public use will not have this message.
 */
#error ERROR: Use of C runtime library internal header file.
#endif  /* _CRTBLD */

#ifdef _MSC_VER
// Currently, all MS C compilers for Win32 platforms default to 8 byte
// alignment.
#pragma pack(push,8)

#include <useoldio.h>

#endif  /* _MSC_VER */

#ifndef _INTERNAL_IFSTRIP_
#include <cruntime.h>
#ifndef _WINSTATIC
#define _WINSTATIC
#endif  /* _WINSTATIC */

#endif  /* _INTERNAL_IFSTRIP_ */

/* Define _CRTIMP */

#ifndef _CRTIMP
#ifdef CRTDLL
#define _CRTIMP __declspec(dllexport)
#else  /* CRTDLL */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else  /* _DLL */
#define _CRTIMP
#endif  /* _DLL */
#endif  /* CRTDLL */
#endif  /* _CRTIMP */

#ifndef _INTERNAL_IFSTRIP_
/* Define _CRTIMP1 */

#ifndef _CRTIMP1
#ifdef CRTDLL1
#define _CRTIMP1 __declspec(dllexport)
#else  /* CRTDLL1 */
#define _CRTIMP1 _CRTIMP
#endif  /* CRTDLL1 */
#endif  /* _CRTIMP1 */
#endif  /* _INTERNAL_IFSTRIP_ */

typedef long streamoff, streampos;

#include <ios.h>                // Define ios.

#include <streamb.h>            // Define streambuf.

#include <istream.h>            // Define istream.

#include <ostream.h>            // Define ostream.

#ifdef _MSC_VER
// C4514: "unreferenced inline function has been removed"
#pragma warning(disable:4514) // disable C4514 warning
// #pragma warning(default:4514)        // use this to reenable, if desired
#endif  /* _MSC_VER */

class _CRTIMP1 iostream : public istream, public ostream {
public:
        iostream(streambuf*);
        virtual ~iostream();
protected:
        iostream();
        iostream(const iostream&);
inline iostream& operator=(streambuf*);
inline iostream& operator=(iostream&);
private:
        iostream(ios&);
        iostream(istream&);
        iostream(ostream&);
};

inline iostream& iostream::operator=(streambuf* _sb) { istream::operator=(_sb); ostream::operator=(_sb); return *this; }

inline iostream& iostream::operator=(iostream& _strm) { return operator=(_strm.rdbuf()); }

class _CRTIMP1 Iostream_init {
public:
        Iostream_init();
        Iostream_init(ios &, int =0);   // treat as private
        ~Iostream_init();
};

// used internally
// static Iostream_init __iostreaminit; // initializes cin/cout/cerr/clog

#ifdef _MSC_VER
// Restore previous packing
#pragma pack(pop)
#endif  /* _MSC_VER */

#endif  /* _INC_IOSTREAM */

#endif  /* __cplusplus */