Define type mrb_bool. It is typedef-ed to _Bool on C99, unsigned int on MSVC.

It is safer than applying 1bit bit-fields to signed int.

For forward compatibility, you should substiture only 1 or 0 for the variable typed mrb_bool.

1 files changed, 3 insertions, 3 deletions

diff --git a/include/mruby.h b/include/mruby.h
index e058d409f..c5f359bd8 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -121,9 +121,9 @@ typedef struct mrb_state {
   size_t gc_threshold;
   int gc_interval_ratio;
   int gc_step_ratio;
-  unsigned int gc_disabled:1;
-  unsigned int gc_full:1;
-  unsigned int is_generational_gc_mode:1;
+  mrb_bool gc_disabled:1;
+  mrb_bool gc_full:1;
+  mrb_bool is_generational_gc_mode:1;
   size_t majorgc_old_threshold;
   struct alloca_header *mems;