1 // Backward-compat support -*- C++ -*-
3 // Copyright (C) 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21 // As a special exception, you may use this file as part of a free software
22 // library without restriction. Specifically, if other files instantiate
23 // templates or use macros or inline functions from this file, or you compile
24 // this file and link it with other files to produce an executable, this
25 // file does not by itself cause the resulting executable to be covered by
26 // the GNU General Public License. This exception does not however
27 // invalidate any other reasons why the executable file might be covered by
28 // the GNU General Public License.
32 * Silicon Graphics Computer Systems, Inc.
34 * Permission to use, copy, modify, distribute and sell this software
35 * and its documentation for any purpose is hereby granted without fee,
36 * provided that the above copyright notice appear in all copies and
37 * that both that copyright notice and this permission notice appear
38 * in supporting documentation. Silicon Graphics makes no
39 * representations about the suitability of this software for any
40 * purpose. It is provided "as is" without express or implied warranty.
43 // WARNING: The classes defined in this header are DEPRECATED. This
44 // header is defined in section D.7.1 of the C++ standard, and it
45 // MAY BE REMOVED in a future standard revision. One should use the
46 // header <sstream> instead.
48 #ifndef _GLIBCXX_STRSTREAM
49 #define _GLIBCXX_STRSTREAM
51 #include "backward_warning.h"
58 _GLIBCXX_BEGIN_NAMESPACE(std)
60 // Class strstreambuf, a streambuf class that manages an array of char.
61 // Note that this class is not a template.
62 class strstreambuf : public basic_streambuf<char, char_traits<char> >
66 typedef char_traits<char> _Traits;
67 typedef basic_streambuf<char, _Traits> _Base;
70 // Constructor, destructor
71 explicit strstreambuf(streamsize __initial_capacity = 0);
72 strstreambuf(void* (*__alloc)(size_t), void (*__free)(void*));
74 strstreambuf(char* __get, streamsize __n, char* __put = 0);
75 strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0);
76 strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0);
78 strstreambuf(const char* __get, streamsize __n);
79 strstreambuf(const signed char* __get, streamsize __n);
80 strstreambuf(const unsigned char* __get, streamsize __n);
82 virtual ~strstreambuf();
85 void freeze(bool = true);
90 virtual int_type overflow(int_type __c = _Traits::eof());
91 virtual int_type pbackfail(int_type __c = _Traits::eof());
92 virtual int_type underflow();
93 virtual _Base* setbuf(char* __buf, streamsize __n);
94 virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir,
95 ios_base::openmode __mode
96 = ios_base::in | ios_base::out);
97 virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode
98 = ios_base::in | ios_base::out);
102 operator=(const strstreambuf&);
104 strstreambuf(const strstreambuf&);
106 // Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun.
107 char* _M_alloc(size_t);
110 // Helper function used in constructors.
111 void _M_setup(char* __get, char* __put, streamsize __n);
115 void* (*_M_alloc_fun)(size_t);
116 void (*_M_free_fun)(void*);
120 bool _M_constant : 1;
123 // Class istrstream, an istream that manages a strstreambuf.
124 class istrstream : public basic_istream<char>
127 explicit istrstream(char*);
128 explicit istrstream(const char*);
129 istrstream(char* , streamsize);
130 istrstream(const char*, streamsize);
131 virtual ~istrstream();
133 strstreambuf* rdbuf() const;
141 class ostrstream : public basic_ostream<char>
145 ostrstream(char*, int, ios_base::openmode = ios_base::out);
146 virtual ~ostrstream();
148 strstreambuf* rdbuf() const;
149 void freeze(bool = true);
158 class strstream : public basic_iostream<char>
161 typedef char char_type;
162 typedef char_traits<char>::int_type int_type;
163 typedef char_traits<char>::pos_type pos_type;
164 typedef char_traits<char>::off_type off_type;
167 strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out);
168 virtual ~strstream();
170 strstreambuf* rdbuf() const;
171 void freeze(bool = true);
179 _GLIBCXX_END_NAMESPACE