aos/common/util.cc

#include "aos/common/util.h"

#include <stdlib.h>
#ifndef __VXWORKS__
#include <string.h>
#endif

namespace aos {
namespace util {

const char *MakeIPAddress(const in_addr &base_address,
                          ::aos::NetworkAddress last_segment) {
  in_addr address = base_address;
  SetLastSegment(&address, last_segment);

#ifdef __VXWORKS__
  char *r = static_cast<char *>(malloc(INET_ADDR_LEN));
  inet_ntoa_b(address, r);
  return r;
#else
  return strdup(inet_ntoa(address));
#endif
}

void SetLastSegment(in_addr *address, ::aos::NetworkAddress last_segment) {
  address->s_addr &= ~(htonl(0xFF));
  address->s_addr |= htonl(static_cast<uint8_t>(last_segment));
}

}  // namespace util
}  // namespace aos