1 files changed, 7 insertions, 7 deletions
diff --git a/libtransport/src/core/prefix.cc b/libtransport/src/core/prefix.cc
index eea4aeb8b..1e2b2ed9d 100644
--- a/libtransport/src/core/prefix.cc
+++ b/libtransport/src/core/prefix.cc
@@ -25,12 +25,12 @@ extern "C" {
 #include <hicn/transport/portability/win_portability.h>
 #endif
 
+#include <openssl/rand.h>
+
 #include <cstring>
 #include <memory>
 #include <random>
 
-#include <openssl/rand.h>
-
 namespace transport {
 
 namespace core {
@@ -99,7 +99,7 @@ void Prefix::buildPrefix(std::string &prefix, uint16_t prefix_length,
   ip_prefix_.family = family;
 }
 
-std::unique_ptr<Sockaddr> Prefix::toSockaddr() {
+std::unique_ptr<Sockaddr> Prefix::toSockaddr() const {
   Sockaddr *ret = nullptr;
 
   switch (ip_prefix_.family) {
@@ -120,14 +120,14 @@ std::unique_ptr<Sockaddr> Prefix::toSockaddr() {
   return std::unique_ptr<Sockaddr>(ret);
 }
 
-uint16_t Prefix::getPrefixLength() { return ip_prefix_.len; }
+uint16_t Prefix::getPrefixLength() const { return ip_prefix_.len; }
 
 Prefix &Prefix::setPrefixLength(uint16_t prefix_length) {
   ip_prefix_.len = prefix_length;
   return *this;
 }
 
-int Prefix::getAddressFamily() { return ip_prefix_.family; }
+int Prefix::getAddressFamily() const { return ip_prefix_.family; }
 
 Prefix &Prefix::setAddressFamily(int address_family) {
   ip_prefix_.family = address_family;
@@ -226,7 +226,7 @@ Name Prefix::getRandomName() const {
       ip_prefix_.len;
 
   size_t size = (size_t)ceil((float)addr_len / 8.0);
-  uint8_t *buffer = (uint8_t *) malloc(sizeof(uint8_t) * size);
+  uint8_t *buffer = (uint8_t *)malloc(sizeof(uint8_t) * size);
 
   RAND_bytes(buffer, size);
 
@@ -332,7 +332,7 @@ bool Prefix::checkPrefixLengthAndAddressFamily(uint16_t prefix_length,
   return true;
 }
 
-ip_prefix_t &Prefix::toIpPrefixStruct() { return ip_prefix_; }
+const ip_prefix_t &Prefix::toIpPrefixStruct() const { return ip_prefix_; }
 
 }  // namespace core