1 files changed, 70 insertions, 0 deletions
diff --git a/src/buflist.c b/src/buflist.c
new file mode 100644
index 0000000..7ee5ede
--- /dev/null
+++ b/src/buflist.c
@@ -0,0 +1,70 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003,2004,2005 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 <stdlib.h>
+#include <string.h>
+
+#include "buflist.h"
+
+int
+insertblnode(blnodeT** headRef, int actptr, int msglen, unsigned char* buff)
+{
+  blnodeT* newnode, *lastnode;
+	lastnode = newnode = *headRef;
+	while (newnode) {
+		lastnode = newnode;
+		newnode = newnode->next;
+	}
+  newnode = calloc(1, sizeof(blnodeT));
+  newnode->next = NULL;
+	newnode->actptr = 0;
+	newnode->msglen = msglen - actptr;
+	newnode->buff = calloc(1, newnode->msglen);
+	if (newnode->buff == NULL)
+		return 1;
+	memcpy((char*)newnode->buff, (char*)buff+actptr, newnode->msglen);
+	if (lastnode)
+		lastnode->next = newnode;
+	else
+		*headRef = newnode;
+	return 0;
+}
+
+int
+deleteblnode(blnodeT** headRef)
+{
+	blnodeT* node = *headRef;
+	if (*headRef == NULL)
+		return 1;
+  *headRef = node->next;
+  if (node->buff != NULL)
+    free(node->buff);
+  free(node);
+	return 0;
+}
+
+int
+freebuflist(blnodeT** headRef)
+{
+	while (*headRef) {
+		deleteblnode(headRef);
+	}
+	return 0;
+}