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Date:      Tue, 4 Aug 1998 15:09:11 -0400 (EDT)
From:      Chuck Robey <chuckr@glue.umd.edu>
To:        Nicolas Souchu <Nicolas.Souchu@prism.uvsq.fr>
Cc:        FreeBSD Hackers <freebsd-hackers@FreeBSD.ORG>
Subject:   Re: C and static initialization with unions
Message-ID:  <Pine.BSF.4.00.9808041508210.409-100000@picnic.mat.net>
In-Reply-To: <19980804185938.36803@breizh.prism.uvsq.fr>

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On Tue, 4 Aug 1998, Nicolas Souchu wrote:

> Hi there,
> 
> A question about C and static initialization of unions:
> 
> suppose,
> 
> union foo_t {
> 	int i;
> 	char c;
> 	void *p;
> };
> 
> static union foo_t bar = { (void *)&anyvar };
> 
> The compiler says "warning, making integer from pointer without a cast"...
> Which is true and could lead to bad asm code.
> 
> Is there a way to do this properly? Should I forgive unions or what else?

No, you forgot to mention which union memeber to use.  Your foo_t.p
would do nicely.

> 
> -- 
> Nicolas.Souchu@prism.uvsq.fr
> FreeBSD - Turning PCs into workstations - http://www.FreeBSD.org
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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> 
> 

----------------------------+-----------------------------------------------
Chuck Robey                 | Interests include any kind of voice or data 
chuckr@glue.umd.edu         | communications topic, C programming, and Unix.
213 Lakeside Drive Apt T-1  |
Greenbelt, MD 20770         | I run Journey2 and picnic (FreeBSD-current)
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----------------------------+-----------------------------------------------





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