1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_ostream;
15 // template <class charT, class traits>
16 // basic_ostream<charT,traits>& ends(basic_ostream<charT,traits>& os);
21 template <class CharT>
23 : public std::basic_streambuf<CharT>
25 typedef std::basic_streambuf<CharT> base;
26 std::basic_string<CharT> str_;
32 std::basic_string<CharT> str() const
33 {return std::basic_string<CharT>(base::pbase(), base::pptr());}
37 virtual typename base::int_type
38 overflow(typename base::int_type __c = base::traits_type::eof())
40 if (__c != base::traits_type::eof())
42 int n = static_cast<int>(str_.size());
43 str_.push_back(static_cast<CharT>(__c));
44 str_.resize(str_.capacity());
45 base::setp(const_cast<CharT*>(str_.data()),
46 const_cast<CharT*>(str_.data() + str_.size()));
59 assert(sb.str().size() == 1);
60 assert(sb.str().back() == 0);
65 std::wostream os(&sb);
67 assert(sb.str().size() == 1);
68 assert(sb.str().back() == 0);