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/*
* 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 <config.h>
#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;
}
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