standards/60772: _Bool and bool should be unsigned

[Tony Finch]

The following reply was made to PR standards/60772; it has been noted by GNATS.

From: Tony Finch <dot at dotat.at>
To: Bruce Evans <bde at zeta.org.au>
Cc: bug-followup at FreeBSD.org
Subject: Re: standards/60772: _Bool and bool should be unsigned
Date: Sun, 4 Jan 2004 22:23:46 +0000

 On Sun, Jan 04, 2004 at 05:40:15AM -0800, Bruce Evans wrote:
 >  
 >  We have gcc's stdbool.h in RELENG_4 but don't install it.  It uses:
 >  
 >  % typedef enum
 >  %   {
 >  %     false = 0,
 >  %     true = 1
 >  %   } bool;
 >  
 >  This causes slightly different problems than typedef "int bool".  I
 >  noticed the following:
 
 Also, the standard requires that bool, true, and false are #defines.
 
 Tony.
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