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 // <strstream> 11 12 // class ostrstream 13 14 // strstreambuf* rdbuf() const; 15 16 #include <strstream> 17 #include <cassert> 18 19 int main() 20 { 21 { 22 char buf[] = "123 4.5 dog"; 23 const std::ostrstream out(buf, 0); 24 std::strstreambuf* sb = out.rdbuf(); 25 assert(sb->sputc('a') == 'a'); 26 assert(buf == std::string("a23 4.5 dog")); 27 } 28 } 29
