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Re: [Qemu-devel] [PATCH] Introduce QEMU_NEW()


From: Sasha Levin
Subject: Re: [Qemu-devel] [PATCH] Introduce QEMU_NEW()
Date: Mon, 25 Jul 2011 12:37:14 +0300

On Mon, 2011-07-25 at 11:32 +0200, Alexander Graf wrote:
> On 25.07.2011, at 10:51, Avi Kivity wrote:
> 
> > qemu_malloc() is type-unsafe as it returns a void pointer.  Introduce
> > QEMU_NEW() (and QEMU_NEWZ()), which return the correct type.
> 
> What does this buy you over
> 
> type *x = qemu_malloc(sizeof(type));
> 
> ? I find the non-C++ version easier to read even.

It'll warn when you do silly things such as:

struct some_struct *k;

k = qemu_malloc(sizeof(k));

-- 

Sasha.




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