Lines Matching refs:__this
37 _Underflow< char, char_traits<char> >::_M_doit(basic_filebuf<char, char_traits<char> >* __this)
42 if (!__this->_M_in_input_mode) {
43 if (!__this->_M_switch_to_input_mode())
46 else if (__this->_M_in_putback_mode) {
47 __this->_M_exit_putback_mode();
48 if (__this->gptr() != __this->egptr()) {
49 int_type __c = traits_type::to_int_type(*__this->gptr());
57 if (__this->_M_base.__regular_file()
58 && __this->_M_always_noconv
59 && __this->_M_base._M_in_binary_mode()) {
61 if (__this->_M_mmap_base)
62 __this->_M_base._M_unmap(__this->_M_mmap_base, __this->_M_mmap_len);
66 streamoff __cur = __this->_M_base._M_seek(0, ios_base::cur);
67 streamoff __size = __this->_M_base._M_file_size();
69 streamoff __offset = (__cur / __this->_M_base.__page_size()) * __this->_M_base.__page_size();
72 __this->_M_mmap_len = __size - __offset;
74 if (__this->_M_mmap_len > MMAP_CHUNK)
75 __this->_M_mmap_len = MMAP_CHUNK;
77 if ((__this->_M_mmap_base = __this->_M_base._M_mmap(__offset, __this->_M_mmap_len)) != 0) {
78 __this->setg(__STATIC_CAST(char*, __this->_M_mmap_base),
79 __STATIC_CAST(char*, __this->_M_mmap_base) + __STATIC_CAST(ptrdiff_t, __remainder),
80 __STATIC_CAST(char*, __this->_M_mmap_base) + __STATIC_CAST(ptrdiff_t, __this->_M_mmap_len));
81 return traits_type::to_int_type(*__this->gptr());
84 __this->_M_mmap_len = 0;
87 __this->_M_mmap_base = 0;
88 __this->_M_mmap_len = 0;
92 return __this->_M_underflow_aux();
