netdev - RE: [PATCH iproute2 1/3] tc: fix compilation warning on 32bits arch

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Message-ID: <063D6719AE5E284EB5DD2968C1650D6D1CB2312E@AcuExch.aculab.com>
Date:	Tue, 21 Apr 2015 16:22:32 +0000
From:	David Laight <David.Laight@...LAB.COM>
To:	'Nicolas Dichtel' <nicolas.dichtel@...nd.com>,
	"shemminger@...tta.com" <shemminger@...tta.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH iproute2 1/3] tc: fix compilation warning on 32bits arch

From: Nicolas Dichtel
> Sent: 21 April 2015 17:07
> The warning was:
> m_simple.c: In function parse_simple:
> m_simple.c:142:4: warning: format %ld expects argument of type long int, but argument 3 has type
> size_t [-Wformat]
> 
> Useful to be able to compile with -Werror.
> 
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
> ---
>  tc/m_simple.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tc/m_simple.c b/tc/m_simple.c
> index 866552f559b3..3b6d7beb769c 100644
> --- a/tc/m_simple.c
> +++ b/tc/m_simple.c
> @@ -139,7 +139,7 @@ parse_simple(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
> 
>  	if (strlen(simpdata) > (SIMP_MAX_DATA - 1)) {
>  		fprintf(stderr, "simple: Illegal string len %ld <%s> \n",
> -			strlen(simpdata), simpdata);
> +			(long)strlen(simpdata), simpdata);
>  		return -1;

Isn't the correct fix to use "%zu" ?

	David