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Re: Problem with stdbool.h redefining true/false even in C++


From: Paul Eggert
Subject: Re: Problem with stdbool.h redefining true/false even in C++
Date: Wed, 29 Aug 2012 17:45:52 -0700
User-agent: Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20120714 Thunderbird/14.0

On 08/29/2012 02:07 PM, Michael Goffioul wrote:
> Thanks for that.

Your welcome.  While in an unrelated meeting today it
popped into my head that the patch wasn't quite right,
as in C++ mode it defines _Bool to _Bool (via bool),
not to bool as it should.  I pushed this further
patch to fix that:

>From 4d41ee34707396d205a8036a80da7c717e77a4f7 Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Wed, 29 Aug 2012 17:43:04 -0700
Subject: [PATCH] * lib/stdbool.in.h (_Bool) [__cplusplus]: bool, not _Bool.

---
 lib/stdbool.in.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/stdbool.in.h b/lib/stdbool.in.h
index 924c8ff..1261936 100644
--- a/lib/stdbool.in.h
+++ b/lib/stdbool.in.h
@@ -68,6 +68,7 @@
 
 #ifdef __cplusplus
 # define _Bool bool
+# define bool bool
 #else
 # if defined __BEOS__ && !defined __HAIKU__
   /* A compiler known to have 'bool'.  */
@@ -114,8 +115,8 @@ typedef enum { _Bool_must_promote_to_int = -1, false = 0, 
true = 1 } _Bool;
 #   endif
 #  endif
 # endif
+# define bool _Bool
 #endif
-#define bool _Bool
 
 /* The other macros must be usable in preprocessor directives.  */
 #ifdef __cplusplus
-- 
1.7.11.4




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