ReferenceNode * AddReference(Barnyard2Config *bc, ReferenceNode **head, char *system, char *id)
{
ReferenceNode *node;
if ((system == NULL) || (id == NULL) ||
(bc == NULL) || (head == NULL))
{
return NULL;
}
/* create the new node */
node = (ReferenceNode *)SnortAlloc(sizeof(ReferenceNode));
/* lookup the reference system */
node->system = ReferenceSystemLookup(bc->references, system);
if (node->system == NULL)
node->system = ReferenceSystemAdd(&bc->references, system, NULL);
node->id = SnortStrdup(id);
/* Add the node to the front of the list */
node->next = *head;
*head = node;
return node;
}
ReferenceNode *AddReference(ReferenceNode *rn, char *system, char *id)
{
ReferenceNode *newNode;
if(system == NULL || id == NULL)
{
ErrorMessage("NULL reference argument\n");
return rn;
}
/* create the new node */
if(!(newNode = (ReferenceNode *)malloc(sizeof(ReferenceNode))))
{
FatalError("Out of memory in AddReference\n");
}
memset(newNode, 0, sizeof(ReferenceNode));
/* lookup the reference system */
if(!(newNode->system = ReferenceSystemLookup(system)))
{
newNode->system = ReferenceSystemAdd(system, NULL);
}
newNode->id = strdup(id);
/* add the node to the list */
newNode->next = rn;
return newNode;
}
