author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 14:06:43 +0300 | |
changeset 22 | ddc455616bd6 |
parent 0 | e4d67989cc36 |
child 45 | 4b03adbd26ca |
child 57 | 2efc27d87e1c |
permissions | -rw-r--r-- |
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/* |
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* © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved. |
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* |
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* Copyright (c) 1999 |
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* Silicon Graphics Computer Systems, Inc. |
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* |
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* Copyright (c) 1999 |
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* Boris Fomitchev |
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* |
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* This material is provided "as is", with absolutely no warranty expressed |
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* or implied. Any use is at your own risk. |
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* |
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* Permission to use or copy this software for any purpose is hereby granted |
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* without fee, provided the above notices are retained on all copies. |
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* Permission to modify the code and to distribute modified code is granted, |
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* provided the above notices are retained, and a notice that the code was |
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* modified is included with the above copyright notice. |
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* |
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*/ |
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#ifndef _STLP_INTERNAL_STREAMBUF |
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#include <stl/_streambuf.h> |
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#endif |
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#ifndef _STLP_ISTREAM |
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#include <istream> // Includes <ostream>, <ios>, <iosfwd> |
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#endif |
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#ifndef _STLP_STRING_H |
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#include <stl/_string.h> |
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#endif |
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_STLP_BEGIN_NAMESPACE |
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#ifndef _STLP_USE_NAMESPACES |
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# define strstream _STLP_strstream |
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# define ostrstream _STLP_ostrstream |
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# define istrstream _STLP_istrstream |
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# define strstreambuf _STLP_strstreambuf |
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#endif |
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//---------------------------------------------------------------------- |
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// Class strstreambuf, a streambuf class that manages an array of char. |
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// Note that this class is not a template. |
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#ifdef __SYMBIAN32__ |
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class strstreambuf : public basic_streambuf<char, char_traits<char> > |
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#else |
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class _STLP_CLASS_DECLSPEC strstreambuf : public basic_streambuf<char, char_traits<char> > |
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#endif |
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{ |
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public: // Types. |
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typedef char_traits<char> _Traits; |
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typedef basic_streambuf<char, char_traits<char> > _Base; |
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typedef void* (*__alloc_fn)(size_t); |
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typedef void (*__free_fn)(void*); |
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public: // Constructor, destructor |
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_STLP_DECLSPEC explicit strstreambuf(streamsize _Initial_capacity = 0); |
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_STLP_DECLSPEC strstreambuf(__alloc_fn, __free_fn); |
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_STLP_DECLSPEC strstreambuf(char* __get, streamsize __n, char* __put = 0); |
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_STLP_DECLSPEC strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0); |
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_STLP_DECLSPEC strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0); |
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_STLP_DECLSPEC strstreambuf(const char* __get, streamsize __n); |
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_STLP_DECLSPEC strstreambuf(const signed char* __get, streamsize __n); |
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_STLP_DECLSPEC strstreambuf(const unsigned char* __get, streamsize __n); |
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virtual ~strstreambuf(); |
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public: // strstreambuf operations. |
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_STLP_DECLSPEC void freeze(bool = true); |
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_STLP_DECLSPEC char* str(); |
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_STLP_DECLSPEC int pcount() const; |
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protected: // Overridden virtual member functions. |
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virtual int_type overflow(int_type __c = _Traits::eof()); |
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virtual int_type pbackfail(int_type __c = _Traits::eof()); |
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virtual int_type underflow(); |
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virtual _Base* setbuf(char* __buf, streamsize __n); |
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virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir, |
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ios_base::openmode __mode |
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= ios_base::in | ios_base::out); |
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virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode |
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= ios_base::in | ios_base::out); |
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private: // Helper functions. |
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// Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun. |
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char* _M_alloc(size_t); |
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inline void _M_free(char*); |
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// Helper function used in constructors. |
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void _M_setup(char* __get, char* __put, streamsize __n); |
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private: // Data members. |
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__alloc_fn _M_alloc_fun; |
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__free_fn _M_free_fun; |
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bool _M_dynamic : 1; |
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bool _M_frozen : 1; |
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bool _M_constant : 1; |
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#ifdef __SYMBIAN32__ |
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char* _pfrozenendsave; |
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char* _pgetfrozenendsave; |
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#endif |
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}; |
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inline strstreambuf::~strstreambuf() |
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{ |
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#ifdef __SYMBIAN32__ |
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if (_M_dynamic && !_M_frozen) |
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{ |
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if (_M_free_fun) |
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_M_free_fun(eback()); |
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else |
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_M_free(eback()); |
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} |
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#else |
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if (_M_dynamic && !_M_frozen) |
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_M_free(eback()); |
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#endif |
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} |
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|
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inline void strstreambuf::_M_free(char* p) |
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{ |
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if (p) |
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if (_M_free_fun) |
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_M_free_fun(p); |
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else |
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delete[] p; |
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} |
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|
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|
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//---------------------------------------------------------------------- |
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// Class istrstream, an istream that manages a strstreambuf. |
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|
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#ifdef __SYMBIAN32__ |
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NONSHARABLE_CLASS (istrstream) : public basic_istream<char, char_traits<char> > |
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#else |
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class _STLP_CLASS_DECLSPEC istrstream : public basic_istream<char, char_traits<char> > |
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#endif |
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{ |
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public: |
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_STLP_DECLSPEC explicit istrstream(char*); |
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_STLP_DECLSPEC explicit istrstream(const char*); |
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_STLP_DECLSPEC istrstream(char* , streamsize); |
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_STLP_DECLSPEC istrstream(const char*, streamsize); |
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_STLP_DECLSPEC virtual ~istrstream(); |
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|
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_STLP_DECLSPEC strstreambuf* rdbuf() const; |
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_STLP_DECLSPEC char* str(); |
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|
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private: |
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strstreambuf _M_buf; |
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}; |
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|
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//---------------------------------------------------------------------- |
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// Class ostrstream |
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#ifdef __SYMBIAN32__ |
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NONSHARABLE_CLASS (ostrstream) : public basic_ostream<char, char_traits<char> > |
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#else |
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class _STLP_CLASS_DECLSPEC ostrstream : public basic_ostream<char, char_traits<char> > |
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#endif |
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{ |
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public: |
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_STLP_DECLSPEC ostrstream(); |
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_STLP_DECLSPEC ostrstream(char*, int, ios_base::openmode = ios_base::out); |
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_STLP_DECLSPEC virtual ~ostrstream(); |
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|
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_STLP_DECLSPEC strstreambuf* rdbuf() const; |
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_STLP_DECLSPEC void freeze(bool = true); |
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_STLP_DECLSPEC char* str(); |
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_STLP_DECLSPEC int pcount() const; |
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|
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private: |
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strstreambuf _M_buf; |
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}; |
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|
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//---------------------------------------------------------------------- |
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// Class strstream |
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#ifdef __SYMBIAN32__ |
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NONSHARABLE_CLASS (strstream) : public basic_iostream<char, char_traits<char> > |
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#else |
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class _STLP_CLASS_DECLSPEC strstream : public basic_iostream<char, char_traits<char> > |
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#endif |
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{ |
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public: |
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typedef char char_type; |
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typedef char_traits<char>::int_type int_type; |
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typedef char_traits<char>::pos_type pos_type; |
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typedef char_traits<char>::off_type off_type; |
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|
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_STLP_DECLSPEC strstream(); |
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_STLP_DECLSPEC strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out); |
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_STLP_DECLSPEC virtual ~strstream(); |
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_STLP_DECLSPEC strstreambuf* rdbuf() const; |
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_STLP_DECLSPEC void freeze(bool = true); |
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_STLP_DECLSPEC int pcount() const; |
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_STLP_DECLSPEC char* str(); |
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private: |
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strstreambuf _M_buf; |
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}; |
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_STLP_END_NAMESPACE |