diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ruby/defines.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/ruby/defines.h b/include/ruby/defines.h index 50b60c60e1..0944c77e9f 100644 --- a/include/ruby/defines.h +++ b/include/ruby/defines.h @@ -197,6 +197,18 @@ void xfree(void*); #ifdef RUBY_EXPORT #undef RUBY_EXTERN + +#ifndef FALSE +# define FALSE 0 +#elif FALSE +# error FALSE must be false +#endif +#ifndef TRUE +# define TRUE 1 +#elif !TRUE +# error TRUE must be true +#endif + #endif #ifndef RUBY_EXTERN |