linux-kernel - Re: [RFC Patch net-next 2/5] net: introduce generic inet

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Message-ID: <51CC49C7.9010800@cogentembedded.com>
Date:	Thu, 27 Jun 2013 18:18:47 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Cong Wang <amwang@...hat.com>
CC:	netdev@...r.kernel.org, Daniel Borkmann <dborkman@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Neil Horman <nhorman@...driver.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Eric Dumazet <edumazet@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC Patch net-next 2/5] net: introduce generic inet_pton()

Hello.

On 27-06-2013 10:43, Cong Wang wrote:

> Signed-off-by: Cong Wang <amwang@...hat.com>
> ---
>   include/net/inet_addr.h |   20 ++++++++++++++++++++
>   net/core/netpoll.c      |   24 ++----------------------
>   2 files changed, 22 insertions(+), 22 deletions(-)

> diff --git a/include/net/inet_addr.h b/include/net/inet_addr.h
> index 66a16fe..1379287 100644
> --- a/include/net/inet_addr.h
> +++ b/include/net/inet_addr.h
> @@ -4,6 +4,7 @@
>   #include <linux/in.h>
>   #include <linux/in6.h>
>   #include <linux/socket.h>
> +#include <linux/inet.h>
>   #include <net/addrconf.h>
>
>   union inet_addr {
> @@ -59,4 +60,23 @@ static inline bool inet_addr_multicast(const union inet_addr *ipa)
>   }
>   #endif
>
> +static inline int inet_pton(const char *str, union inet_addr *addr)
> +{
> +	const char *end;
> +
> +	if (!strchr(str, ':') &&
> +	    in4_pton(str, -1, (void *)addr, -1, &end) > 0) {
> +		if (!*end)
> +			return 0;
> +	}
> +	if (in6_pton(str, -1, addr->sin6.sin6_addr.s6_addr, -1, &end) > 0) {
> +#if IS_ENABLED(CONFIG_IPV6)
> +		if (!*end)

    How about:

		if (IS_ENABLED(CONFIG_IPV6) && !*end)

> +			return 1;
> +#else
> +		return -1;
> +#endif
> +	}
> +	return -1;
> +}
>   #endif

WBR, Sergei


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