/** Is a wrapper function to calc_broadcast that receives the IP address and netsmask as QString and
returns the broadcast value also as a QString, or NULL if it couldn't be calculated. */
QString KAddressValidator::calculateBroadcast(QString addr, QString netmask){
struct in_addr _addr, _netmask, _network;
int prefix = 0;
QString s;
if (addr.isNull() || netmask.isNull())
return NULL; //bad address
if (!inet_pton(AF_INET,addr.latin1(),&_addr))
return NULL; //bad address
else
{
if (!inet_pton(AF_INET,netmask.latin1(),&_netmask))
return NULL; //bad address
else
{
prefix = mask2prefix(_netmask.s_addr);
_network.s_addr = calc_broadcast(_addr.s_addr, prefix);
char * char_network = new char[20];
if (!inet_ntop(AF_INET,&_network,char_network,20))
return NULL;
else
s = char_network;
}
}
return s;
}
static
int ipv4_mask_to_int(const char *prefix)
{
int ret;
struct in_addr in;
ret = inet_pton(AF_INET, prefix, &in);
if (ret == 0)
return -1;
return mask2prefix(in);
}
tscript_value * tscript_ext_net_mask2prefix(tscript_value *arg)
{
return tscript_value_create_number(mask2prefix(
tscript_value_as_string(tscript_value_convert_to_string(arg))));
}
