/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* WARNING: All identifiers here must begin with an underscore.  This file is

* included by stdio.h and others and we therefore must only use identifiers

* in the namespace allotted to us.

* 

*

*/

/**

 @file

 @publishedAll

 @released

*/

#ifndef _SYS_REENT_H_

#ifdef __cplusplus

extern "C" {

#endif

#define _SYS_REENT_H_

#include <_ansi.h>

#include <sys/stdio_t.h>	/* _sFILE type */

#include <time.h>		/* for struct tm */

struct _glue 

{

  struct _glue *_next;

  int _niobs;

  struct __sFILE *_iobs;

};

/**

atexit() support

*/

#define	_ATEXIT_SIZE 32	/* must be at least 32 to guarantee ANSI conformance */

struct _atexit {

	struct	_atexit *_next;			/* next in list */

	int	_ind;				/* next index in this table */

	void	(*_fns[_ATEXIT_SIZE])(void);	/* the table itself */

};

/**

struct _reent

This structure contains *all* globals needed by the library.

It's raison d'etre is to facilitate threads by making all library routines

reentrant.  IE: All state information is contained here.

*/

#define _ASCTIME_SIZE	(26+8)	/* 26 min, plus caution factor! */

#define _MINNARROWBUFSIZE	100

#ifdef __MWERKS__

    #pragma warn_padding off

#endif

struct _reent

{

  /* local copy of errno */

  int _errno;

  struct __sFILE _sf[3];		/* first three file descriptors: stdin, stdout, stderr */

  char *_scanpoint;		/* used by strtok */

  char _asctime[_ASCTIME_SIZE];	/* used by asctime */

  struct tm _struct_tm;		/* used by gmtime */

  long _next[2];		/* used by rand/srand (64-bit seed for EPOC32) */

  int  _inc;			/* used by tmpnam */

  char _tmpnam[37];		/* used by tmpnam & inet_ntoa */

  wchar_t _wtmpnam[37];		/* used by tmpnam & inet_ntoa */

  void *_netdb;			/* used by gethostbyaddr and similar netdb functions */

  int _current_category;	/* used by setlocale */

  const char *_current_locale;

  int __sdidinit;		/* 1 means stdio has been init'd */

  void (*__cleanup)(struct _reent *);

  /* atexit stuff */

  struct _atexit *_atexit;	/* points to head of LIFO stack */

  struct _atexit _atexit0;	/* one guaranteed table, required by ANSI */

  /* signal info */

  void (**(_sig_func))();

  struct _glue __sglue;		/* root of glue chain for additional sFILE structures */

  char **environ;

  int environ_slots;

  char* _pNarrowEnvBuffer;

  int _NEBSize;

  void *_system;		/* Pointer to a C++ POSIX System object - Hands off! */

};

/**

The struct _reent is managed on a per-thread basis by EPOC32, so there is no global

variable _impure_pointer and everyone has to use _REENT (panics in the event of an

error) or REENT2 (which returns a NULL pointer in the event of an error).

*/

IMPORT_C void		_reclaim_reent	(struct _reent*);

IMPORT_C void		_REENT_INIT	(struct _reent*);

IMPORT_C struct _reent*	ImpurePtr	(void);

IMPORT_C struct _reent* ImpurePtr2	(void);

IMPORT_C void		_init_reent	(struct _reent*,void*);

/** 

Support for explicit release of all STDLIB resources belonging to this thread

*/

IMPORT_C void CloseSTDLIB();

#define _REENT (ImpurePtr())

#define _REENT2 (ImpurePtr2())

#define __errno_r(ptr) ((ptr)->_errno)

#ifdef __cplusplus

}

#endif

#endif /* _SYS_REENT_H_ */