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Re: [Qemu-devel] some questions about g_malloc in qemu
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] some questions about g_malloc in qemu |
Date: |
Thu, 15 Dec 2011 10:19:39 +0000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Dec 15, 2011 at 11:02:39AM +0100, Kevin Wolf wrote:
> Am 15.12.2011 10:36, schrieb Stefan Hajnoczi:
> > On Thu, Dec 15, 2011 at 04:28:28PM +0800, 陳韋任 wrote:
> >> I found this in HACKING:
> >>
> >> Please note that NULL check for the g_malloc result is redundant and
> >> that g_malloc() call with zero size is not allowed.
> >
> > So we have:
> >
> > 1. You should not request 0 bytes from g_malloc().
>
> I think this was related to qemu_malloc() and Anthony's sed run made it
> refer to g_malloc(), even though it works just fine with 0 bytes. We
> should probably remove this sentence.
If you remove it then you can't interpret it the way I did. It's not
longer possible to say that g_malloc() never returns NULL. You always
have to qualify that with "unless you ask for 0 bytes". :)
Stefan
- [Qemu-devel] some questions about g_malloc in qemu, Zhi Hui Li, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, 陳韋任, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, Andreas Färber, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, 陳韋任, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, Stefan Hajnoczi, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, Kevin Wolf, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu,
Stefan Hajnoczi <=
- Re: [Qemu-devel] some questions about g_malloc in qemu, Max Filippov, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, Kevin Wolf, 2011/12/15
- Re: [Qemu-devel] some questions about g_malloc in qemu, Peter Maydell, 2011/12/15