From 1ffc9ba3255f8b63164c42ea8304115f5a6b2464 Mon Sep 17 00:00:00 2001
From: Masaki Muranaka <monaka@monami-ya.jp>
Date: Wed, 13 Mar 2013 13:30:40 +0900
Subject: 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.
---
 src/codegen.c | 2 +-
 src/gc.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/codegen.c b/src/codegen.c
index ed44f1792..cbbd2d16a 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -49,7 +49,7 @@ typedef struct scope {
   int pc;
   int lastlabel;
   int ainfo:15;
-  int mscope:1;
+  mrb_bool mscope:1;
 
   struct loopinfo *loop;
   int ensure_level;
diff --git a/src/gc.c b/src/gc.c
index da6844fa5..ab50529f7 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -197,7 +197,7 @@ struct heap_page {
   struct heap_page *next;
   struct heap_page *free_next;
   struct heap_page *free_prev;
-  unsigned int old:1;
+  mrb_bool old:1;
   RVALUE objects[MRB_HEAP_PAGE_SIZE];
 };
 
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