Date: Tue, 29 Apr 1997 14:00:01 -0700 (PDT) From: j@uriah.heep.sax.de (J Wunsch) To: freebsd-bugs Subject: Re: kern/3419: __attribute__((__unused__)) doesn't work Message-ID: <199704292100.OAA10215@hub.freebsd.org>
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The following reply was made to PR kern/3419; it has been noted by GNATS.
From: j@uriah.heep.sax.de (J Wunsch)
To: j.loverso@opengroup.org
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: kern/3419: __attribute__((__unused__)) doesn't work
Date: Tue, 29 Apr 1997 22:28:28 +0200
As j.loverso@opengroup.org wrote:
> However,I tried to compile Berk DB 2.0. It has code like this:
> (starting at line 340)
>
> typedef struct _hoffpage {
> u_int8_t type; /* 00: Page type and delete flag. */
> u_int8_t __unused[3]; /* 01-03: Padding, unused. */
This is broken code. Names starting with an underscore are reserved
for the implementation. No userland program (and Berkeley DB is
userland in this sense) has the right to use them.
> It appears that __attribute__((__unused__)) doesn't work.
It does. It's working in a totally different way than what you would
expect, like:
__unused void
somefunc(void)
{
/* this is unused */
}
> I'm not sure which catagory this bug is in.
Ask the people at Berkeley. :-)
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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