/*** *ios.h - definitions/declarations for the ios class. * * Copyright (c) 1990-1995, Microsoft Corporation. All rights reserved. * *Purpose: * This file defines the classes, values, macros, and functions * used by the ios class. * [AT&T C++] * * [Public] * ****/ #ifdef __cplusplus #ifndef _INC_IOS #define _INC_IOS #if !defined(_WIN32) && !defined(_MAC) #error ERROR: Only Mac or Win32 targets supported! #endif #ifdef _MSC_VER // Currently, all MS C compilers for Win32 platforms default to 8 byte // alignment. #pragma pack(push,8) #endif // _MSC_VER /* Define _CRTIMP */ #ifndef _CRTIMP #ifdef _NTSDK /* definition compatible with NT SDK */ #define _CRTIMP #else /* ndef _NTSDK */ /* current definition */ #ifdef _DLL #define _CRTIMP __declspec(dllimport) #else /* ndef _DLL */ #define _CRTIMP #endif /* _DLL */ #endif /* _NTSDK */ #endif /* _CRTIMP */ #ifdef _MT typedef struct __CRT_LIST_ENTRY { struct __CRT_LIST_ENTRY *Flink; struct __CRT_LIST_ENTRY *Blink; } _CRT_LIST_ENTRY; typedef struct _CRT_CRITICAL_SECTION_DEBUG { unsigned short Type; unsigned short CreatorBackTraceIndex; struct _CRT_CRITICAL_SECTION *CriticalSection; _CRT_LIST_ENTRY ProcessLocksList; unsigned long EntryCount; unsigned long ContentionCount; unsigned long Depth; void * OwnerBackTrace[ 5 ]; } _CRT_CRITICAL_SECTION_DEBUG, *_PCRT_CRITICAL_SECTION_DEBUG; typedef struct _CRT_CRITICAL_SECTION { _PCRT_CRITICAL_SECTION_DEBUG DebugInfo; // // The following three fields control entering and exiting the critical // section for the resource // long LockCount; long RecursionCount; void * OwningThread; // from the thread's ClientId->UniqueThread void * LockSemaphore; unsigned long Reserved; } _CRT_CRITICAL_SECTION, *_PCRT_CRITICAL_SECTION; extern "C" { _CRTIMP void __cdecl _mtlock(_PCRT_CRITICAL_SECTION); _CRTIMP void __cdecl _mtunlock(_PCRT_CRITICAL_SECTION); } #endif /* _MT */ #ifndef NULL #define NULL 0 #endif #ifndef EOF #define EOF (-1) #endif #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 _CRTIMP streambuf; class _CRTIMP ostream; class _CRTIMP ios { public: enum io_state { goodbit = 0x00, eofbit = 0x01, failbit = 0x02, badbit = 0x04 }; enum open_mode { in = 0x01, out = 0x02, ate = 0x04, app = 0x08, trunc = 0x10, nocreate = 0x20, noreplace = 0x40, binary = 0x80 }; enum seek_dir { beg=0, cur=1, end=2 }; enum { skipws = 0x0001, left = 0x0002, right = 0x0004, internal = 0x0008, dec = 0x0010, oct = 0x0020, hex = 0x0040, showbase = 0x0080, showpoint = 0x0100, uppercase = 0x0200, showpos = 0x0400, scientific = 0x0800, fixed = 0x1000, unitbuf = 0x2000, stdio = 0x4000 }; static const long basefield; // dec | oct | hex static const long adjustfield; // left | right | internal static const long floatfield; // scientific | fixed ios(streambuf*); // differs from ANSI virtual ~ios(); inline long flags() const; inline long flags(long _l); inline long setf(long _f,long _m); inline long setf(long _l); inline long unsetf(long _l); inline int width() const; inline int width(int _i); inline ostream* tie(ostream* _os); inline ostream* tie() const; inline char fill() const; inline char fill(char _c); inline int precision(int _i); inline int precision() const; inline int rdstate() const; inline void clear(int _i = 0); // inline operator void*() const; operator void *() const { if(state&(badbit|failbit) ) return 0; return (void *)this; } inline int operator!() const; inline int good() const; inline int eof() const; inline int fail() const; inline int bad() const; inline streambuf* rdbuf() const; inline long & iword(int) const; inline void * & pword(int) const; static long bitalloc(); static int xalloc(); static void sync_with_stdio(); #ifdef _MT inline void __cdecl setlock(); inline void __cdecl clrlock(); void __cdecl lock() { if (LockFlg<0) _mtlock(lockptr()); }; void __cdecl unlock() { if (LockFlg<0) _mtunlock(lockptr()); } inline void __cdecl lockbuf(); inline void __cdecl unlockbuf(); #else void __cdecl lock() { } void __cdecl unlock() { } void __cdecl lockbuf() { } void __cdecl unlockbuf() { } #endif protected: ios(); ios(const ios&); // treat as private ios& operator=(const ios&); void init(streambuf*); enum { skipping, tied }; streambuf* bp; int state; int ispecial; // not used int ospecial; // not used int isfx_special; // not used int osfx_special; // not used int x_delbuf; // if set, rdbuf() deleted by ~ios ostream* x_tie; long x_flags; int x_precision; char x_fill; int x_width; static void (*stdioflush)(); // not used #ifdef _MT static void lockc() { _mtlock(& x_lockc); } static void unlockc() { _mtunlock( & x_lockc); } _PCRT_CRITICAL_SECTION lockptr() { return & x_lock; } #else static void lockc() { } static void unlockc() { } #endif public: int delbuf() const { return x_delbuf; } void delbuf(int _i) { x_delbuf = _i; } private: static long x_maxbit; static int x_curindex; static int sunk_with_stdio; // make sure sync_with done only once #ifdef _MT #define MAXINDEX 7 static long x_statebuf[MAXINDEX+1]; // used by xalloc() static int fLockcInit; // used to see if x_lockc initialized static _CRT_CRITICAL_SECTION x_lockc; // used to lock static (class) data members int LockFlg; // enable locking flag _CRT_CRITICAL_SECTION x_lock; // used for multi-thread lock on object #else static long * x_statebuf; // used by xalloc() #endif }; #include inline _CRTIMP ios& __cdecl dec(ios& _strm) { _strm.setf(ios::dec,ios::basefield); return _strm; } inline _CRTIMP ios& __cdecl hex(ios& _strm) { _strm.setf(ios::hex,ios::basefield); return _strm; } inline _CRTIMP ios& __cdecl oct(ios& _strm) { _strm.setf(ios::oct,ios::basefield); return _strm; } inline long ios::flags() const { return x_flags; } inline long ios::flags(long _l){ long _lO; _lO = x_flags; x_flags = _l; return _lO; } inline long ios::setf(long _l,long _m){ long _lO; lock(); _lO = x_flags; x_flags = (_l&_m) | (x_flags&(~_m)); unlock(); return _lO; } inline long ios::setf(long _l){ long _lO; lock(); _lO = x_flags; x_flags |= _l; unlock(); return _lO; } inline long ios::unsetf(long _l){ long _lO; lock(); _lO = x_flags; x_flags &= (~_l); unlock(); return _lO; } inline int ios::width() const { return x_width; } inline int ios::width(int _i){ int _iO; _iO = (int)x_width; x_width = _i; return _iO; } inline ostream* ios::tie(ostream* _os){ ostream* _osO; _osO = x_tie; x_tie = _os; return _osO; } inline ostream* ios::tie() const { return x_tie; } inline char ios::fill() const { return x_fill; } inline char ios::fill(char _c){ char _cO; _cO = x_fill; x_fill = _c; return _cO; } inline int ios::precision(int _i){ int _iO; _iO = (int)x_precision; x_precision = _i; return _iO; } inline int ios::precision() const { return x_precision; } inline int ios::rdstate() const { return state; } // inline ios::operator void *() const { if(state&(badbit|failbit) ) return 0; return (void *)this; } inline int ios::operator!() const { return state&(badbit|failbit); } inline int ios::bad() const { return state & badbit; } inline void ios::clear(int _i){ lock(); state = _i; unlock(); } inline int ios::eof() const { return state & eofbit; } inline int ios::fail() const { return state & (badbit | failbit); } inline int ios::good() const { return state == 0; } inline streambuf* ios::rdbuf() const { return bp; } inline long & ios::iword(int _i) const { return x_statebuf[_i] ; } inline void * & ios::pword(int _i) const { return (void * &)x_statebuf[_i]; } #ifdef _MT inline void ios::setlock() { LockFlg--; if (bp) bp->setlock(); } inline void ios::clrlock() { if (LockFlg <= 0) LockFlg++; if (bp) bp->clrlock(); } inline void ios::lockbuf() { bp->lock(); } inline void ios::unlockbuf() { bp->unlock(); } #endif #ifdef _MSC_VER // Restore default packing #pragma pack(pop) #endif // _MSC_VER #endif // _INC_IOS #endif /* __cplusplus */