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Re: [PATCH v4 01/18] ui: avoid compiler warnings from unused clipboard i


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v4 01/18] ui: avoid compiler warnings from unused clipboard info variable
Date: Wed, 24 Nov 2021 14:33:38 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0

On 11/24/21 14:01, Daniel P. Berrangé wrote:
> With latest clang 13.0.0 we get
> 
> ../ui/clipboard.c:47:34: error: variable 'old' set but not used 
> [-Werror,-Wunused-but-set-variable]
>     g_autoptr(QemuClipboardInfo) old = NULL;
>                                  ^
> 
> The compiler can't tell that we only declared this variable in
> order to get the side effect of free'ing it when out of scope.
> 
> This pattern is a little dubious for a use of g_autoptr, so
> rewrite the code to avoid it.
> 
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>  ui/clipboard.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>




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