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/***
*fstream.h - definitions/declarations for filebuf and fstream classes** Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.**Purpose:* This file defines the classes, values, macros, and functions* used by the filebuf and fstream classes.* [AT&T C++]** [Public]**Revision History:* 01-23-92 KRS Ported from 16-bit version.* 08-19-92 KRS Remove sh_compat for NT.* 02-23-93 SKS Update copyright to 1993* 03-23-93 CFW Modified #pragma warnings.* 09-01-93 GJF Merged Cuda and NT SDK versions.* 10-13-93 GJF Enclose #pragma-s in #ifdef _MSC_VER* 08-12-94 GJF Disable warning 4514 instead of 4505.* 11-03-94 GJF Changed pack pragma to 8 byte alignment.* 02-11-95 CFW Add _CRTBLD to avoid users getting wrong headers.* 02-14-95 CFW Clean up Mac merge.* 05-11-95 CFW Only for use by C++ programs.* 12-14-95 JWM Add "#pragma once".* 04-09-96 SKS Change _CRTIMP to _CRTIMP1 for special iostream build* 04-15-96 JWM Remove _OLD_IOSTREAMS, add '#pragma comment(lib,"cirt")'.* 04-16-96 JWM '#include useoldio.h' replaces '#pragma comment(...)'.* 02-21-97 GJF Cleaned out obsolete support for _NTSDK. Also, * detab-ed.* 05-17-99 PML Remove all Macintosh support.*****/
#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
#pragma once
#endif
#ifdef __cplusplus
#ifndef _INC_FSTREAM
#define _INC_FSTREAM
#if !defined(_WIN32)
#error ERROR: Only Win32 target supported!
#endif
#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
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef CRTDLL
#define _CRTIMP __declspec(dllexport)
#else /* ndef CRTDLL */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* CRTDLL */
#endif /* _CRTIMP */
#ifndef _INTERNAL_IFSTRIP_
/* Define _CRTIMP1 */
#ifndef _CRTIMP1
#ifdef CRTDLL1
#define _CRTIMP1 __declspec(dllexport)
#else /* ndef CRTDLL1 */
#define _CRTIMP1 _CRTIMP
#endif /* CRTDLL1 */
#endif /* _CRTIMP1 */
#endif /* _INTERNAL_IFSTRIP_ */
#include <iostream.h>
#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
typedef int filedesc;
class _CRTIMP1 filebuf : public streambuf {public:static const int openprot; // default share/prot mode for open
// optional share values for 3rd argument (prot) of open or constructor
static const int sh_none; // exclusive mode no sharing
static const int sh_read; // allow read sharing
static const int sh_write; // allow write sharing
// use (sh_read | sh_write) to allow both read and write sharing
// options for setmode member function
static const int binary;static const int text;
filebuf(); filebuf(filedesc); filebuf(filedesc, char *, int); ~filebuf();
filebuf* attach(filedesc); filedesc fd() const { return (x_fd==-1) ? EOF : x_fd; } int is_open() const { return (x_fd!=-1); } filebuf* open(const char *, int, int = filebuf::openprot); filebuf* close(); int setmode(int = filebuf::text);
virtual int overflow(int=EOF);virtual int underflow();
virtual streambuf* setbuf(char *, int);virtual streampos seekoff(streamoff, ios::seek_dir, int);// virtual streampos seekpos(streampos, int);
virtual int sync();
private: filedesc x_fd; int x_fOpened;};
class _CRTIMP1 ifstream : public istream {public: ifstream(); ifstream(const char *, int =ios::in, int = filebuf::openprot); ifstream(filedesc); ifstream(filedesc, char *, int); ~ifstream();
streambuf * setbuf(char *, int); filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); }
void attach(filedesc); filedesc fd() const { return rdbuf()->fd(); }
int is_open() const { return rdbuf()->is_open(); } void open(const char *, int =ios::in, int = filebuf::openprot); void close(); int setmode(int mode = filebuf::text) { return rdbuf()->setmode(mode); }};
class _CRTIMP1 ofstream : public ostream {public: ofstream(); ofstream(const char *, int =ios::out, int = filebuf::openprot); ofstream(filedesc); ofstream(filedesc, char *, int); ~ofstream();
streambuf * setbuf(char *, int); filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); }
void attach(filedesc); filedesc fd() const { return rdbuf()->fd(); }
int is_open() const { return rdbuf()->is_open(); } void open(const char *, int =ios::out, int = filebuf::openprot); void close(); int setmode(int mode = filebuf::text) { return rdbuf()->setmode(mode); }}; class _CRTIMP1 fstream : public iostream {public: fstream(); fstream(const char *, int, int = filebuf::openprot); fstream(filedesc); fstream(filedesc, char *, int); ~fstream();
streambuf * setbuf(char *, int); filebuf* rdbuf() const { return (filebuf*) ostream::rdbuf(); }
void attach(filedesc); filedesc fd() const { return rdbuf()->fd(); }
int is_open() const { return rdbuf()->is_open(); } void open(const char *, int, int = filebuf::openprot); void close(); int setmode(int mode = filebuf::text) { return rdbuf()->setmode(mode); }}; // manipulators to dynamically change file access mode (filebufs only)
inline ios& binary(ios& _fstrm) \ { ((filebuf*)_fstrm.rdbuf())->setmode(filebuf::binary); return _fstrm; }inline ios& text(ios& _fstrm) \ { ((filebuf*)_fstrm.rdbuf())->setmode(filebuf::text); return _fstrm; }
#ifdef _MSC_VER
#pragma pack(pop)
#endif // _MSC_VER
#endif // _INC_FSTREAM
#endif /* __cplusplus */
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