Refactored packet API to support struct layer (using union to contain different types of encapsulation headers)

src/packet/test/gtest_packet_frag.cpp

@@ -1,6 +1,7 @@
 #include <gtest/gtest.h>
 
 #include "packet_priv.h"
+#include "packet_utils.h"
 
 /******************************************************************************
  * [Protocols in frame: eth:ethertype:ip:data]
@@ -47,6 +48,7 @@ unsigned char data1[] = {
 TEST(PACKET_FRAG, IPV4_FRAGMENT)
 {
     struct packet handler;
+    memset(&handler, 0, sizeof(handler));
     packet_parse(&handler, (const char *)data1, sizeof(data1));
     EXPECT_TRUE(packet_is_fragment(&handler) == true);
 
@@ -155,6 +157,7 @@ unsigned char data2[] = {
 TEST(PACKET_FRAG, IPV6_FRAGMENT)
 {
     struct packet handler;
+    memset(&handler, 0, sizeof(handler));
     packet_parse(&handler, (const char *)data2, sizeof(data2));
     EXPECT_TRUE(packet_is_fragment(&handler) == true);
 
@@ -231,6 +234,7 @@ unsigned char data3[] = {
 TEST(PACKET_FRAG, IPV4_IPV6_NOT_FRAGMENT)
 {
     struct packet handler;
+    memset(&handler, 0, sizeof(handler));
     packet_parse(&handler, (const char *)data3, sizeof(data3));
     EXPECT_TRUE(packet_is_fragment(&handler) == false);
 
@@ -293,6 +297,7 @@ unsigned char data4[] = {
 TEST(PACKET_FRAG, IPV6_IPV6_NOT_FRAGMENT)
 {
     struct packet handler;
+    memset(&handler, 0, sizeof(handler));
     packet_parse(&handler, (const char *)data4, sizeof(data4));
     EXPECT_TRUE(packet_is_fragment(&handler) == false);