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Date:      Mon, 29 Oct 2012 11:30:12 +0100
From:      Dimitry Andric <dim@FreeBSD.org>
To:        Erik Cederstrand <erik@cederstrand.dk>
Cc:        Ian Lepore <freebsd@damnhippie.dyndns.org>, FreeBSD Hackers <hackers@freebsd.org>
Subject:   Re: opensolaris B_TRUE and B_FALSE
Message-ID:  <508E5AB4.7060209@FreeBSD.org>
In-Reply-To: <A5B0B50B-0789-40EC-9097-EE9226BB5FBD@cederstrand.dk>
References:  <560EA79C-502B-418C-8BF1-A1BC28E05FD1@cederstrand.dk> <1351466692.1123.346.camel@revolution.hippie.lan> <A5B0B50B-0789-40EC-9097-EE9226BB5FBD@cederstrand.dk>

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On 2012-10-29 09:12, Erik Cederstrand wrote:
> Den 29/10/2012 kl. 00.24 skrev Ian Lepore <freebsd@damnhippie.dyndns.org>:
>> Look further up in sys/cddl/compat/opensolaris/sys/types.h, they're also
>> defined (as macros rather than enum) in the KERNEL case.  They're also
>> defined (as enum) in sys/gnu/fs/xfs/xfs_types.h.  (Once again, SlickEdit
>> pays for itself by answering with one right-click a question that would
>> have been a pain to use grep for.)
>
> The code in the report is /sbin/zpool, so I assume it's not KERNEL code. As I wrote in my email, I can see B_TRUE and B_FALSE are defined as boolean_t in sys/cddl/compat/opensolaris/sys/types.h But I can't see that boolean_t is defined anywhere in the included headers as long as KERNEL is not defined.

In sys/cddl/compat/opensolaris/sys/types.h, there is:

   typedef enum { B_FALSE, B_TRUE }        boolean_t;

This line defines the boolean_t type.  Maybe the type itself is never
used, but only the enum values.  Sort of like a an anonymous enum in C++.



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