47 #ifndef _BACKWARD_STRSTREAM
48 #define _BACKWARD_STRSTREAM
56 namespace std _GLIBCXX_VISIBILITY(default)
58 _GLIBCXX_BEGIN_NAMESPACE_VERSION
62 class strstreambuf :
public basic_streambuf<char, char_traits<char> >
66 typedef char_traits<char> _Traits;
67 typedef basic_streambuf<char, _Traits> _Base;
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) throw ();
75 strstreambuf(
signed char* __get,
streamsize __n,
signed char* __put = 0) throw ();
76 strstreambuf(
unsigned char* __get,
streamsize __n,
unsigned char* __put=0) throw ();
78 strstreambuf(const
char* __get,
streamsize __n) throw ();
79 strstreambuf(const
signed char* __get,
streamsize __n) throw ();
80 strstreambuf(const
unsigned char* __get,
streamsize __n) throw ();
82 virtual ~strstreambuf();
85 void freeze(
bool = true) throw ();
87 _GLIBCXX_PURE
int pcount() const throw ();
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&);
107 char* _M_alloc(
size_t);
111 void _M_setup(
char* __get,
char* __put,
streamsize __n) throw ();
115 void* (*_M_alloc_fun)(
size_t);
116 void (*_M_free_fun)(
void*);
120 bool _M_constant : 1;
124 class istrstream : public basic_istream<
char>
127 explicit istrstream(
char*);
128 explicit istrstream(
const char*);
131 virtual ~istrstream();
133 _GLIBCXX_CONST strstreambuf* rdbuf()
const throw ();
134 char* str() throw ();
141 class ostrstream : public basic_ostream<
char>
146 virtual ~ostrstream();
148 _GLIBCXX_CONST strstreambuf* rdbuf()
const throw ();
149 void freeze(
bool = true) throw();
150 char* str() throw ();
151 _GLIBCXX_PURE
int pcount() const throw ();
158 class strstream : public basic_iostream<
char>
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;
168 virtual ~strstream();
170 _GLIBCXX_CONST strstreambuf* rdbuf()
const throw ();
171 void freeze(
bool = true) throw ();
172 _GLIBCXX_PURE
int pcount() const throw ();
173 char* str() throw ();
179 _GLIBCXX_END_NAMESPACE_VERSION
static const openmode out
Open for output. Default for ofstream and fstream.
static const openmode in
Open for input. Default for ifstream and fstream.
traits_type::off_type off_type
traits_type::pos_type pos_type
traits_type::int_type int_type
_Ios_Openmode openmode
This is a bitmask type.
ptrdiff_t streamsize
Integral type for I/O operation counts and buffer sizes.