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Re: [Qemu-devel] [PATCH v2 0/3] Fix strncpy() warnings for GCC8 new -Wst

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v2 0/3] Fix strncpy() warnings for GCC8 new -Wstringop-truncation
Date: Tue, 18 Dec 2018 15:45:08 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 18/12/18 15:31, Michael S. Tsirkin wrote:
> Do you happen to know why does it build fine with
> Gcc 8.2.1?
> Reading the GCC manual it seems that
> there is a "nostring" attribute that means
> "might not be 0 terminated".
> I think we should switch to that which fixes the warning
> but also warns if someone tries to misuse these
> as C-strings.
> Seems to be a better option, does it not?

Using strpadcpy is clever and self-documenting, though.  We have it
already, so why not use it.


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