X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fipv4.h;h=7ad7e01be32a9c032e4f474f0cbf1f6c43c7722f;hb=5822f817aa802c2c5a83e9d99a8ae78cb822799b;hp=bd63ad04785e559c93eb18b53ed6fc0482ff3643;hpb=1d9dacb1f26971e19463b5501c2410c57f780ecb;p=tinc

diff --git a/src/ipv4.h b/src/ipv4.h
index bd63ad04..7ad7e01b 100644
--- a/src/ipv4.h
+++ b/src/ipv4.h
@@ -1,3 +1,6 @@
+#ifndef TINC_IPV4_H
+#define TINC_IPV4_H
+
 /*
     ipv4.h -- missing IPv4 related definitions
     Copyright (C) 2005 Ivo Timmermans
@@ -18,9 +21,6 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef __TINC_IPV4_H__
-#define __TINC_IPV4_H__
-
 #ifndef AF_INET
 #define AF_INET 2
 #endif
@@ -72,7 +72,7 @@ struct ip {
 #endif
 	uint8_t ip_tos;
 	uint16_t ip_len;
-	uint16_t ip_id; 
+	uint16_t ip_id;
 	uint16_t ip_off;
 #define IP_RF 0x8000
 #define IP_DF 0x4000
@@ -81,7 +81,7 @@ struct ip {
 	uint8_t ip_p;
 	uint16_t ip_sum;
 	struct in_addr ip_src, ip_dst;
-} __attribute__ ((__packed__));
+} __attribute__ ((__gcc_struct__, __packed__));
 #endif
 
 #ifndef IP_OFFMASK
@@ -143,7 +143,7 @@ struct icmp {
 #define icmp_radv icmp_dun.id_radv
 #define icmp_mask icmp_dun.id_mask
 #define icmp_data icmp_dun.id_data
-} __attribute__ ((__packed__));
+} __attribute__ ((__gcc_struct__, __packed__));
 #endif
 
-#endif /* __TINC_IPV4_H__ */
+#endif