__alloc_fn __free_fn _Base _M_alloc _M_alloc_fun _M_constant _M_dynamic _M_free _M_free_fun _M_frozen _M_setup _Traits freeze overflow pbackfail pcount seekoff seekpos setbuf str strstreambuf strstreambuf strstreambuf strstreambuf strstreambuf strstreambuf strstreambuf strstreambuf underflow ~strstreambuf

strstreambuf::int_type strstreambuf::overflow ( int_type  __c = _Traits::eof() ) [protected, virtual] Reimplemented from basic_streambuf< char, char_traits< char > >. Definition at line 116 of file strstream.cpp. { if (c == traits_type::eof()) return traits_type::not_eof(c); // Try to expand the buffer. if (pptr() == epptr() && _M_dynamic && !_M_frozen && !_M_constant) { ptrdiff_t old_size = epptr() - pbase(); ptrdiff_t new_size = (max)(2 * old_size, ptrdiff_t(1)); char* buf = _M_alloc(new_size); if (buf) { memcpy(buf, pbase(), old_size); char* old_buffer = pbase(); bool reposition_get = false; ptrdiff_t old_get_offset; if (gptr() != 0) { reposition_get = true; old_get_offset = gptr() - eback(); } setp(buf, buf + new_size); pbump((int)old_size); if (reposition_get) setg(buf, buf + old_get_offset, buf + (max)(old_get_offset, old_size)); _M_free(old_buffer); } } if (pptr() != epptr()) { *pptr() = traits_type::to_char_type(c); pbump(1); return c; } else return traits_type::eof(); }