Subject: Re: [PATCH iproute2] iproute: make clang happy

From: Stephen Hemminger <[email-masked]>
Date: Mon, 20 Aug 2018 15:52:23 -0700

On Mon, 20 Aug 2018 14:42:15 -0700
Mahesh Bandewar <[email-masked]> wrote:

> diff --git a/tc/m_ematch.c b/tc/m_ematch.c
> index ace4b3dd738b..a524b520b276 100644
> --- a/tc/m_ematch.c
> +++ b/tc/m_ematch.c
> @@ -277,6 +277,7 @@ static int flatten_tree(struct ematch *head, struct ematch *tree)
>  	return count;
>  }
>  
> +__attribute__((format(printf, 5, 6)))
>  int em_parse_error(int err, struct bstr *args, struct bstr *carg,
>  		   struct ematch_util *e, char *fmt, ...)

I think the printf attribute needs to go on the function prototype
here:
tc/m_ematch.h:extern int em_parse_error(int err, struct bstr *args, struct bstr *carg,

PS: I need to take the extern of  those function prototypes.