libnet: Cosmetical clean-up

Replace indentation spaces with tabs, remove superfluous prototype
(ip6addr_add() is declared in ipv6.h already) and fix the old-style
declaration of ip6_create_prefix_info(). No functional changes done.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 lib/libnet/icmpv6.c  | 18 ++++++++----------
 lib/libnet/ipv6.c    |  3 +--
 lib/libnet/netload.c |  4 ++--
 3 files changed, 11 insertions(+), 14 deletions(-)

On 13/06/17 16:29, Thomas Huth wrote:
> Replace indentation spaces with tabs, remove superfluous prototype
> (ip6addr_add() is declared in ipv6.h already) and fix the old-style
> declaration of ip6_create_prefix_info(). No functional changes done.
> 

Thanks, applied.

> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  lib/libnet/icmpv6.c  | 18 ++++++++----------
>  lib/libnet/ipv6.c    |  3 +--
>  lib/libnet/netload.c |  4 ++--
>  3 files changed, 11 insertions(+), 14 deletions(-)
> 
> diff --git a/lib/libnet/icmpv6.c b/lib/libnet/icmpv6.c
> index 2e0cf7c..d44ce84 100644
> --- a/lib/libnet/icmpv6.c
> +++ b/lib/libnet/icmpv6.c
> @@ -230,11 +230,10 @@ send_neighbour_solicitation (int fd, ip6_addr_t *dest_ip6)
>  	snma.addr[13]          = dest_ip6->addr[13];
>  	snma.addr[14]          = dest_ip6->addr[14];
>  	snma.addr[15]          = dest_ip6->addr[15];
> -        fill_ip6hdr((uint8_t *) headers.ip6h,
> -                   ICMPv6_HEADER_SIZE +
> -		   sizeof(struct neighbour_solicitation),
> -		   0x3a, //ICMPv6
> -                   get_ipv6_address(), &snma);
> +	fill_ip6hdr((uint8_t *) headers.ip6h,
> +		    ICMPv6_HEADER_SIZE + sizeof(struct neighbour_solicitation),
> +		    0x3a, //ICMPv6
> +		    get_ipv6_address(), &snma);
>  
>  	/* Fill ICMPv6 message */
>  	headers.icmp6h->type = ICMPV6_NEIGHBOUR_SOLICITATION;
> @@ -280,11 +279,10 @@ send_neighbour_advertisement (int fd, struct neighbor *target)
>  			  sizeof(struct ip6hdr));
>  
>  	/* Fill IPv6 header */
> -        fill_ip6hdr(ether_packet + sizeof(struct ethhdr),
> -                   ICMPv6_HEADER_SIZE +
> -		   sizeof(struct neighbour_advertisement),
> -		   0x3a, //ICMPv6
> -                   get_ipv6_address(), (ip6_addr_t *) &(target->ip.addr));
> +	fill_ip6hdr(ether_packet + sizeof(struct ethhdr),
> +		    ICMPv6_HEADER_SIZE + sizeof(struct neighbour_advertisement),
> +		    0x3a, //ICMPv6
> +		    get_ipv6_address(), (ip6_addr_t *) &(target->ip.addr));
>  
>  	/* Fill ICMPv6 message */
>  	memcpy( &(headers.icmp6h->icmp6body.nghb_adv.target),
> diff --git a/lib/libnet/ipv6.c b/lib/libnet/ipv6.c
> index 49de5c7..62a444e 100644
> --- a/lib/libnet/ipv6.c
> +++ b/lib/libnet/ipv6.c
> @@ -32,7 +32,6 @@
>  #endif
>  
>  /****************************** PROTOTYPES *******************************/
> -int8_t ip6addr_add (struct ip6addr_list_entry *new_address);
>  static void ipv6_init(int fd);
>  static int ip6_is_multicast (ip6_addr_t * ip);
>  
> @@ -252,7 +251,7 @@ int8_t unknown_prefix(ip6_addr_t *ip)
>   * @return NULL - malloc failed
>   *	   ! NULL - pointer to new prefix_info
>   */
> -struct prefix_info *ip6_create_prefix_info()
> +struct prefix_info *ip6_create_prefix_info(void)
>  {
>  	struct prefix_info *prfx_info;
>  
> diff --git a/lib/libnet/netload.c b/lib/libnet/netload.c
> index 848609d..cd3720a 100644
> --- a/lib/libnet/netload.c
> +++ b/lib/libnet/netload.c
> @@ -856,8 +856,8 @@ int parse_tftp_args(char buffer[], char *server_ip, char filename[], int fd,
>  		strcpy(domainname, tmp);
>  		if (dns_get_ip(fd, domainname, server_ip6, 6) == 0) {
>  			printf("\n DNS failed for IPV6\n");
> -                        return -1;
> -                }
> +			return -1;
> +		}
>  		ipv6_to_str(server_ip6, server_ip);
>  
>  		strcpy(filename,(tmp1+1));
>