1 /*
2 Copyright Rene Rivera 2011-2015
3 Distributed under the Boost Software License, Version 1.0.
4 (See accompanying file LICENSE_1_0.txt or copy at
5 http://www.boost.org/LICENSE_1_0.txt)
6 */
7 
8 #ifndef BOOST_PREDEF_LANGUAGE_STDC_H
9 #define BOOST_PREDEF_LANGUAGE_STDC_H
10 
11 #include <boost/predef/version_number.h>
12 #include <boost/predef/make.h>
13 
14 /* tag::reference[]
15 = `BOOST_LANG_STDC`
16 
17 http://en.wikipedia.org/wiki/C_(programming_language)[Standard C] language.
18 If available, the year of the standard is detected as YYYY.MM.1 from the Epoc date.
19 
20 [options="header"]
21 |===
22 | {predef_symbol} | {predef_version}
23 
24 | `+__STDC__+` | {predef_detection}
25 
26 | `+__STDC_VERSION__+` | V.R.P
27 |===
28 */ // end::reference[]
29 
30 #define BOOST_LANG_STDC BOOST_VERSION_NUMBER_NOT_AVAILABLE
31 
32 #if defined(__STDC__)
33 #   undef BOOST_LANG_STDC
34 #   if defined(__STDC_VERSION__)
35 #       if (__STDC_VERSION__ > 100)
36 #           define BOOST_LANG_STDC BOOST_PREDEF_MAKE_YYYYMM(__STDC_VERSION__)
37 #       else
38 #           define BOOST_LANG_STDC BOOST_VERSION_NUMBER_AVAILABLE
39 #       endif
40 #   else
41 #       define BOOST_LANG_STDC BOOST_VERSION_NUMBER_AVAILABLE
42 #   endif
43 #endif
44 
45 #if BOOST_LANG_STDC
46 #   define BOOST_LANG_STDC_AVAILABLE
47 #endif
48 
49 #define BOOST_LANG_STDC_NAME "Standard C"
50 
51 #endif
52 
53 #include <boost/predef/detail/test.h>
54 BOOST_PREDEF_DECLARE_TEST(BOOST_LANG_STDC,BOOST_LANG_STDC_NAME)
55