1 
2 // Copyright (C) 2009-2012 Lorenzo Caminiti
3 // Distributed under the Boost Software License, Version 1.0
4 // (see accompanying file LICENSE_1_0.txt or a copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
6 // Home at http://www.boost.org/libs/local_function
7 
8 #include <boost/config.hpp>
9 #ifdef BOOST_NO_CXX11_VARIADIC_MACROS
10 #   error "variadic macros required"
11 #else
12 
13 #include <boost/local_function.hpp>
14 
15 //[goto_error
error(int x,int y)16 int error(int x, int y) {
17     int BOOST_LOCAL_FUNCTION(int z) {
18         if(z <= 0) goto failure;    // Error: Cannot jump to enclosing scope.
19         else goto success;          // OK: Can jump within local function.
20     success:
21         return 0;
22     } BOOST_LOCAL_FUNCTION_NAME(validate)
23 
24     return validate(x + y);
25 failure:
26     return -1;
27 }
28 //]
29 
main(void)30 int main(void) {
31     error(1, 2);
32     return 0;
33 }
34 
35 #endif
36 
37