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+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include "audit_list_struct.h"
+
+/*
+ * Function name: AuditList_new
+ * Description: Create and initialize new AuditList structure.
+ * Returns: Newly created AuditList structure.
+ */
+
+AuditList*
+AuditList_new()
+{
+ AuditList* tmp = calloc(1, sizeof(AuditList));
+ assert(tmp != NULL);
+ if (tmp == NULL) {
+ return NULL;
+ }
+ return tmp;
+}
+
+/*
+ * Function name: AuditList_free
+ * Description: Free the memory allocated for AuditList structure.
+ * Arguments: al - pointer to pointer to AuditList structure.
+ */
+
+void
+AuditList_free(AuditList** al)
+{
+ assert(al != NULL);
+ if (al == NULL) {
+ return;
+ }
+ assert((*al) != NULL);
+ if ((*al) == NULL) {
+ return;
+ }
+ AuditList_clear((*al));
+ free((*al));
+ (*al) = NULL;
+}
+
+/*
+ * Function name: AuditList_insert_back
+ * Description: Insert new node at the end of the list.
+ * Arguments: al - pointer to AuditList structure
+ * aln - pointer to AuditListNode structure
+ */
+
+void
+AuditList_insert_back(AuditList* al, AuditListNode* aln)
+{
+ assert(al != NULL);
+ if (al == NULL) {
+ return;
+ }
+ assert(aln != NULL);
+ if (aln == NULL) {
+ return;
+ }
+ if (al->tail) {
+ al->tail->nextNode = aln;
+ }
+ else {
+ al->head = aln;
+ }
+ al->tail = aln;
+ aln->nextNode = NULL;
+}
+
+/*
+ * Function name: AuditList_get_first
+ * Description: Get first node from the beginning of the list.
+ * Arguments: al - pointer to AuditList structure
+ * Returns: First node from the beginning of the list.
+ */
+
+AuditListNode*
+AuditList_get_first(AuditList* al)
+{
+ assert(al != NULL);
+ if (al == NULL) {
+ return NULL;
+ }
+ return al->head;
+}
+
+/*
+ * Function name: AuditList_delete_first
+ * Description: Deletes first node from the beginning of the list.
+ * Arguments: al - pointer to AuditList structure
+ */
+
+void
+AuditList_delete_first(AuditList* al)
+{
+ AuditListNode* tmp = AuditList_get_first(al);
+ assert(tmp != NULL);
+ if (tmp == NULL) {
+ return;
+ }
+ if (tmp == al->tail) { /* this is the last node in the list */
+ al->head = al->tail = NULL;
+ }
+ else { /* there are other nodes*/
+ al->head = AuditListNode_get_nextNode(tmp);
+ }
+ AuditListNode_free(&tmp);
+}
+
+/*
+ * Function name: AuditList_clear
+ * Description: Deletes all nodes from the list.
+ * Arguments: al - pointer to AuditList structure
+ */
+
+void
+AuditList_clear(AuditList* al)
+{
+ assert(al != NULL);
+ if (al == NULL) {
+ return;
+ }
+ while (AuditList_get_first(al)) {
+ AuditList_delete_first(al);
+ }
+}