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/*
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* WARNING: All identifiers here must begin with an underscore. This file is
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* included by stdio.h and others and we therefore must only use identifiers
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* in the namespace allotted to us.
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*
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*
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*/
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/**
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@file
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@publishedAll
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@released
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*/
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#ifndef _SYS_REENT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _SYS_REENT_H_
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#include <_ansi.h>
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#include <sys/stdio_t.h> /* _sFILE type */
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#include <time.h> /* for struct tm */
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struct _glue
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{
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struct _glue *_next;
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int _niobs;
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struct __sFILE *_iobs;
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};
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/**
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atexit() support
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*/
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#define _ATEXIT_SIZE 32 /* must be at least 32 to guarantee ANSI conformance */
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struct _atexit {
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struct _atexit *_next; /* next in list */
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int _ind; /* next index in this table */
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void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */
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};
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/**
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struct _reent
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This structure contains *all* globals needed by the library.
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It's raison d'etre is to facilitate threads by making all library routines
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reentrant. IE: All state information is contained here.
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*/
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#define _ASCTIME_SIZE (26+8) /* 26 min, plus caution factor! */
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#define _MINNARROWBUFSIZE 100
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#ifdef __MWERKS__
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#pragma warn_padding off
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#endif
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struct _reent
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{
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/* local copy of errno */
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int _errno;
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struct __sFILE _sf[3]; /* first three file descriptors: stdin, stdout, stderr */
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char *_scanpoint; /* used by strtok */
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char _asctime[_ASCTIME_SIZE]; /* used by asctime */
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struct tm _struct_tm; /* used by gmtime */
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long _next[2]; /* used by rand/srand (64-bit seed for EPOC32) */
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int _inc; /* used by tmpnam */
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char _tmpnam[37]; /* used by tmpnam & inet_ntoa */
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wchar_t _wtmpnam[37]; /* used by tmpnam & inet_ntoa */
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void *_netdb; /* used by gethostbyaddr and similar netdb functions */
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int _current_category; /* used by setlocale */
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const char *_current_locale;
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int __sdidinit; /* 1 means stdio has been init'd */
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void (*__cleanup)(struct _reent *);
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/* atexit stuff */
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struct _atexit *_atexit; /* points to head of LIFO stack */
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struct _atexit _atexit0; /* one guaranteed table, required by ANSI */
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/* signal info */
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void (**(_sig_func))();
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struct _glue __sglue; /* root of glue chain for additional sFILE structures */
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char **environ;
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int environ_slots;
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char* _pNarrowEnvBuffer;
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int _NEBSize;
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void *_system; /* Pointer to a C++ POSIX System object - Hands off! */
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};
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/**
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The struct _reent is managed on a per-thread basis by EPOC32, so there is no global
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variable _impure_pointer and everyone has to use _REENT (panics in the event of an
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error) or REENT2 (which returns a NULL pointer in the event of an error).
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*/
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IMPORT_C void _reclaim_reent (struct _reent*);
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IMPORT_C void _REENT_INIT (struct _reent*);
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IMPORT_C struct _reent* ImpurePtr (void);
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IMPORT_C struct _reent* ImpurePtr2 (void);
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IMPORT_C void _init_reent (struct _reent*,void*);
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/**
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Support for explicit release of all STDLIB resources belonging to this thread
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*/
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IMPORT_C void CloseSTDLIB();
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#define _REENT (ImpurePtr())
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#define _REENT2 (ImpurePtr2())
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#define __errno_r(ptr) ((ptr)->_errno)
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_REENT_H_ */
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