nsapi_error_t NetworkStack::gethostbyname(const char *name, SocketAddress *address, nsapi_version_t version) { if (name[0] == '\0') { return NSAPI_ERROR_PARAMETER; } // check for simple ip addresses if (address->set_ip_address(name)) { if (version != NSAPI_UNSPEC && address->get_ip_version() != version) { return NSAPI_ERROR_DNS_FAILURE; } return NSAPI_ERROR_OK; } // if the version is unspecified, try to guess the version from the // ip address of the underlying stack if (version == NSAPI_UNSPEC) { SocketAddress testaddress; if (testaddress.set_ip_address(this->get_ip_address())) { version = testaddress.get_ip_version(); } } return nsapi_dns_query(this, name, address, version); }
// Default NetworkStack operations int NetworkStack::gethostbyname(SocketAddress *address, const char *name) { return nsapi_dns_query(this, address, name); }