1 // Backward-compat support -*- C++ -*-
3 // Copyright (C) 2001-2015 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
27 * Silicon Graphics Computer Systems, Inc.
29 * Permission to use, copy, modify, distribute and sell this software
30 * and its documentation for any purpose is hereby granted without fee,
31 * provided that the above copyright notice appear in all copies and
32 * that both that copyright notice and this permission notice appear
33 * in supporting documentation. Silicon Graphics makes no
34 * representations about the suitability of this software for any
35 * purpose. It is provided "as is" without express or implied warranty.
38 // WARNING: The classes defined in this header are DEPRECATED. This
39 // header is defined in section D.7.1 of the C++ standard, and it
40 // MAY BE REMOVED in a future standard revision. One should use the
41 // header <sstream> instead.
44 * This is a Standard C++ Library header.
47 #ifndef _BACKWARD_STRSTREAM
48 #define _BACKWARD_STRSTREAM
50 #include "backward_warning.h"
57 namespace std _GLIBCXX_VISIBILITY(default)
59 _GLIBCXX_BEGIN_NAMESPACE_VERSION
61 // Class strstreambuf, a streambuf class that manages an array of char.
62 // Note that this class is not a template.
63 class strstreambuf : public basic_streambuf<char, char_traits<char> >
67 typedef char_traits<char> _Traits;
68 typedef basic_streambuf<char, _Traits> _Base;
71 // Constructor, destructor
72 explicit strstreambuf(streamsize __initial_capacity = 0);
73 strstreambuf(void* (*__alloc)(size_t), void (*__free)(void*));
75 strstreambuf(char* __get, streamsize __n, char* __put = 0) throw ();
76 strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0) throw ();
77 strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0) throw ();
79 strstreambuf(const char* __get, streamsize __n) throw ();
80 strstreambuf(const signed char* __get, streamsize __n) throw ();
81 strstreambuf(const unsigned char* __get, streamsize __n) throw ();
83 virtual ~strstreambuf();
86 void freeze(bool = true) throw ();
88 _GLIBCXX_PURE int pcount() const throw ();
91 virtual int_type overflow(int_type __c = _Traits::eof());
92 virtual int_type pbackfail(int_type __c = _Traits::eof());
93 virtual int_type underflow();
94 virtual _Base* setbuf(char* __buf, streamsize __n);
95 virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir,
96 ios_base::openmode __mode
97 = ios_base::in | ios_base::out);
98 virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode
99 = ios_base::in | ios_base::out);
103 operator=(const strstreambuf&);
105 strstreambuf(const strstreambuf&);
107 // Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun.
108 char* _M_alloc(size_t);
111 // Helper function used in constructors.
112 void _M_setup(char* __get, char* __put, streamsize __n) throw ();
116 void* (*_M_alloc_fun)(size_t);
117 void (*_M_free_fun)(void*);
121 bool _M_constant : 1;
124 // Class istrstream, an istream that manages a strstreambuf.
125 class istrstream : public basic_istream<char>
128 explicit istrstream(char*);
129 explicit istrstream(const char*);
130 istrstream(char* , streamsize);
131 istrstream(const char*, streamsize);
132 virtual ~istrstream();
134 _GLIBCXX_CONST strstreambuf* rdbuf() const throw ();
135 char* str() throw ();
142 class ostrstream : public basic_ostream<char>
146 ostrstream(char*, int, ios_base::openmode = ios_base::out);
147 virtual ~ostrstream();
149 _GLIBCXX_CONST strstreambuf* rdbuf() const throw ();
150 void freeze(bool = true) throw();
151 char* str() throw ();
152 _GLIBCXX_PURE int pcount() const throw ();
159 class strstream : public basic_iostream<char>
162 typedef char char_type;
163 typedef char_traits<char>::int_type int_type;
164 typedef char_traits<char>::pos_type pos_type;
165 typedef char_traits<char>::off_type off_type;
168 strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out);
169 virtual ~strstream();
171 _GLIBCXX_CONST strstreambuf* rdbuf() const throw ();
172 void freeze(bool = true) throw ();
173 _GLIBCXX_PURE int pcount() const throw ();
174 char* str() throw ();
180 _GLIBCXX_END_NAMESPACE_VERSION