struct hostent *hostentry;
const char *colon;
char name[128];
- if (!address || !string)
+ if (!address || !string || !*string)
return 0;
memset(address, 0, sizeof(*address));
address->addresstype = LHNETADDRESSTYPE_NONE;
return 1;
}
// try to parse as dotted decimal ipv4 address first
- if (sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) == 4 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
+ // note this supports partial ip addresses
+ d1 = d2 = d3 = d4 = 0;
+ if (sscanf(name, "%d.%d.%d.%d", &d1, &d2, &d3, &d4) >= 1 && (unsigned int)d1 < 256 && (unsigned int)d2 < 256 && (unsigned int)d3 < 256 && (unsigned int)d4 < 256)
{
// parsed a valid ipv4 address
address->addresstype = LHNETADDRESSTYPE_INET4;
{
if (stringbuffersize >= 6)
{
- strcpy(string, "local");
+ memcpy(string, "local", 6);
return 1;
}
}