[dpdk-dev] [PATCH 4/5] replace snprintf with strlcpy without adding extra include

Stephen Hemminger stephen at networkplumber.org
Wed Apr 3 17:51:32 CEST 2019


On Wed,  3 Apr 2019 15:45:04 +0100
Bruce Richardson <bruce.richardson at intel.com> wrote:

> diff --git a/lib/librte_ring/rte_ring.c b/lib/librte_ring/rte_ring.c
> index d215acecc..a542f6f5d 100644
> --- a/lib/librte_ring/rte_ring.c
> +++ b/lib/librte_ring/rte_ring.c
> @@ -78,7 +78,7 @@ rte_ring_init(struct rte_ring *r, const char *name, unsigned count,
>  
>  	/* init the ring structure */
>  	memset(r, 0, sizeof(*r));
> -	ret = snprintf(r->name, sizeof(r->name), "%s", name);
> +	ret = strlcpy(r->name, name, sizeof(r->name));
>  	if (ret < 0 || ret >= (int)sizeof(r->name))

I would rather use the name length that is part of the header file.

	if (strnlen(name, RTE_RING_NAMESIZE) == RTE_RING_NAMESIZE)
		return -ENAMETOOLONG;

	strlcpy(r->name, name, sizeof(r->name))



More information about the dev mailing list