Only copy when pointer isn't NULL in get_friendcon_public_keys().

1 files changed, 6 insertions, 2 deletions

diff --git a/toxcore/friend_connection.c b/toxcore/friend_connection.c
index aca64e5a..aaffe02f 100644
--- a/toxcore/friend_connection.c
+++ b/toxcore/friend_connection.c
@@ -419,8 +419,12 @@ int get_friendcon_public_keys(uint8_t *real_pk, uint8_t *dht_temp_pk, Friend_Con
     if (!friend_con)
         return -1;
 
-    memcpy(real_pk, friend_con->real_public_key, crypto_box_PUBLICKEYBYTES);
-    memcpy(dht_temp_pk, friend_con->dht_temp_pk, crypto_box_PUBLICKEYBYTES);
+    if (real_pk)
+        memcpy(real_pk, friend_con->real_public_key, crypto_box_PUBLICKEYBYTES);
+
+    if (dht_temp_pk)
+        memcpy(dht_temp_pk, friend_con->dht_temp_pk, crypto_box_PUBLICKEYBYTES);
+
     return 0;
 }