diff options
Diffstat (limited to 'libstdc++-v3/include/bits/streambuf.tcc')
| -rw-r--r-- | libstdc++-v3/include/bits/streambuf.tcc | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/libstdc++-v3/include/bits/streambuf.tcc b/libstdc++-v3/include/bits/streambuf.tcc index dff48d25dfc..8623d25c790 100644 --- a/libstdc++-v3/include/bits/streambuf.tcc +++ b/libstdc++-v3/include/bits/streambuf.tcc @@ -188,30 +188,29 @@ namespace std typedef typename _Traits::off_type off_type; streamsize __ret = 0; - streamsize __in_avail = __sbin->in_avail(); - streamsize __xtrct; const off_type __buf_size = __sbin->_M_buf_size > 0 ? __sbin->_M_buf_size : 1; - try { - while (__in_avail != -1) + for (;;) { - if (__in_avail != 0 && __sbin->_M_in_cur - && __sbin->_M_in_cur + __in_avail <= __sbin->_M_in_end) + streamsize __xtrct; + const off_type __avail = __sbin->_M_in_end + - __sbin->_M_in_cur; + if (__avail) { - __xtrct = __sbout->sputn(__sbin->_M_in_cur, __in_avail); + __xtrct = __sbout->sputn(__sbin->_M_in_cur, __avail); __ret += __xtrct; __sbin->_M_in_cur_move(__xtrct); - if (__xtrct != __in_avail) + if (__xtrct != __avail) break; } else { streamsize __charsread; - const streamsize __size = - std::min(__buf_size, off_type(__sbout->_M_out_end - - __sbout->_M_out_cur)); + const off_type __size = std::min(__buf_size, + off_type(__sbout->_M_out_end + - __sbout->_M_out_cur)); if (__size > 1) { _CharT* __buf = @@ -242,7 +241,6 @@ namespace std } if (_Traits::eq_int_type(__sbin->sgetc(), _Traits::eof())) break; - __in_avail = __sbin->in_avail(); } } catch(exception& __fail) |
