1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <fstream> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_ifstream 14 15 // basic_filebuf<charT,traits>* rdbuf() const; 16 17 #include <fstream> 18 #include <cassert> 19 main()20int main() 21 { 22 { 23 std::ifstream fs("test.dat"); 24 std::filebuf* fb = fs.rdbuf(); 25 assert(fb->sgetc() == 'r'); 26 } 27 { 28 std::wifstream fs("test.dat"); 29 std::wfilebuf* fb = fs.rdbuf(); 30 assert(fb->sgetc() == L'r'); 31 } 32 } 33