rename igmpv3 query struct and fix incompl struct

Author: zocker007

src/igmp.c

@@ -262,7 +262,7 @@ void acceptIgmp(int recvlen) {
  */
 static int buildIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t group, int datalen) {
     struct ip *ip;
-    struct igmpv3 *igmp;
+    struct igmpv3_query *igmp;
     struct  Config  *conf = getCommonConfig();
     extern int curttl;
     int query_minlen = IGMP_MINLEN;
@@ -289,7 +289,7 @@ static int buildIgmp(uint32_t src, uint32_t dst, int type, int code, uint32_t gr
     ((unsigned char*)send_buf+MIN_IP_HEADER_LEN)[2] = 0x00;
     ((unsigned char*)send_buf+MIN_IP_HEADER_LEN)[3] = 0x00;
 
-    igmp                    = (struct igmpv3 *)(send_buf + IP_HEADER_RAOPT_LEN);
+    igmp                    = (struct igmpv3_query *)(send_buf + IP_HEADER_RAOPT_LEN);
     igmp->igmp_type         = type;
     igmp->igmp_code         = code;
     igmp->igmp_group.s_addr = group;

src/igmpv3.h

@@ -24,7 +24,7 @@
 /*
  * IGMP v3 query format.
  */
-struct igmpv3 {
+struct igmpv3_query {
 	u_int8_t		igmp_type;	/* version & type of IGMP message  */
 	u_int8_t		igmp_code;	/* subtype for routing msgs        */
 	u_int16_t		igmp_cksum;	/* IP-style checksum               */
@@ -33,7 +33,7 @@ struct igmpv3 {
 	u_int8_t		igmp_misc;	/* reserved/suppress/robustness    */
 	u_int8_t		igmp_qqi;	/* querier's query interval        */
 	u_int16_t		igmp_numsrc;	/* number of sources               */
-	/*struct in_addr	igmp_sources[1];*/ /* source addresses */
+	struct in_addr	igmp_sources[0]; /* source addresses */
 };
 
 struct igmpv3_grec {