linux-kernel - Re: [RFC PATCH] type safe allocator

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Message-Id: <E1IGBiG-0006fv-00@dorka.pomaz.szeredi.hu>
Date:	Wed, 01 Aug 2007 12:45:56 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	andi@...stfloor.org
CC:	miklos@...redi.hu, andi@...stfloor.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org
Subject: Re: [RFC PATCH] type safe allocator

> > 
> > #define k_new(type, flags) ((type *) kmalloc(sizeof(type), flags))
> 
> The cast doesn't make it more safe in any way

I does, since a warning will be issued, if the type of the assigned
pointer doesn't match the requested allocation.

And yes, warnings are _very_ useful in C for enforcing type safety.

Miklos
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