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List:       busybox
Subject:    Re: [PATCH 4/5] udhcpc: obtain hostname from OS by default
From:       Andreas Oberritter <obi () opendreambox ! org>
Date:       2013-04-22 8:49:23
Message-ID: 5174F993.7010107 () opendreambox ! org
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Ping.

On 20.03.2013 15:31, Andreas Oberritter wrote:
> * Doesn't require the 'hostname' option in /etc/network/interfaces,
>   and thus makes udhcpc behave like other clients.
> 
> Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
> ---
>  networking/udhcp/dhcpc.c |    9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
> index fe2e681..35487b6 100644
> --- a/networking/udhcp/dhcpc.c
> +++ b/networking/udhcp/dhcpc.c
> @@ -1375,6 +1375,15 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
>  		logmode |= LOGMODE_SYSLOG;
>  	}
>  
> +	/* try to get hostname from OS */
> +	if (!client_config.hostname) {
> +		char hostname[256];	/* SUSv2: hostnames are <= 255 bytes */
> +		if (gethostname(hostname, sizeof(hostname)) == 0) {
> +			hostname[sizeof(hostname) - 1] = '\0';
> +			client_config.hostname = alloc_dhcp_option(DHCP_HOST_NAME, hostname, 0);
> +		}
> +	}
> +
>  	/* Make sure fd 0,1,2 are open */
>  	bb_sanitize_stdio();
>  	/* Equivalent of doing a fflush after every \n */
> 

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