Re: [PATCH] virt-aa-helper: fix clang build

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  Pavel Hrdina wrote:

> Clang complains about wrong argument type:
> 
> libvirt/src/security/virt-aa-helper.c:174:11: error: absolute value
>       function 'abs' given an argument of type 'long' but has parameter
>       of type 'int' which may cause truncation of value [-Werror,-Wabsolute-value]
>     idx = abs(pos - orig);

Out of curiosity, why not use labs() here instead of casting?  

> Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
> ---
>  src/security/virt-aa-helper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
> index 7eeb4ef..14f8afb 100644
> --- a/src/security/virt-aa-helper.c
> +++ b/src/security/virt-aa-helper.c
> @@ -171,7 +171,7 @@ replace_string(char *orig, const size_t len, const char *oldstr,
>      }
>      tmp[0] = '\0';
>  
> -    idx = abs(pos - orig);
> +    idx = abs((int)(pos - orig));
>  
>      /* copy everything up to oldstr */
>      strncat(tmp, orig, idx);
> -- 
> 2.8.2
> 
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Roman Bogorodskiy

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