-avoid calling memcpy() with NULL argument, even if len is 0

2 files changed, 7 insertions, 6 deletions

diff --git a/src/testing/list-keys.c b/src/testing/list-keys.c
index 1c469adcc..1fd46ebf2 100644
--- a/src/testing/list-keys.c
+++ b/src/testing/list-keys.c
@@ -72,7 +72,8 @@ run (void *cls, char *const *args, const char *cfgfile,
       PRINTF ("Max keys %u reached\n", nmax);
       break;
     }
-    (void) memcpy (&pkey, data + (cnt * GNUNET_TESTING_HOSTKEYFILESIZE),
+    GNUNET_memcpy (&pkey,
+                   data + (cnt * GNUNET_TESTING_HOSTKEYFILESIZE),
                    GNUNET_TESTING_HOSTKEYFILESIZE);
     GNUNET_CRYPTO_eddsa_key_get_public (&pkey, &id.public_key);
     PRINTF ("Key %u: %s\n", cnt, GNUNET_i2s_full (&id));
@@ -98,7 +99,7 @@ int main (int argc, char *argv[])
 
   result = GNUNET_SYSERR;
   nkeys = 10;
-  ret = 
+  ret =
       GNUNET_PROGRAM_run (argc, argv, "list-keys", "Lists the peer IDs corresponding to the given keys file\n",
                           option, &run, NULL);
   if (GNUNET_OK != ret)
diff --git a/src/testing/testing.c b/src/testing/testing.c
index 13ebabd1d..98ac76fb7 100644
--- a/src/testing/testing.c
+++ b/src/testing/testing.c
@@ -722,7 +722,7 @@ GNUNET_TESTING_hostkey_get (const struct GNUNET_TESTING_System *system,
     return NULL;
   }
   private_key = GNUNET_new (struct GNUNET_CRYPTO_EddsaPrivateKey);
-  memcpy (private_key,
+  GNUNET_memcpy (private_key,
 	  system->hostkeys_data +
 	  (key_number * GNUNET_TESTING_HOSTKEYFILESIZE),
 	  GNUNET_TESTING_HOSTKEYFILESIZE);
@@ -1296,14 +1296,14 @@ GNUNET_TESTING_peer_get_identity (struct GNUNET_TESTING_Peer *peer,
 {
   if (NULL != peer->id)
   {
-    memcpy (id, peer->id, sizeof (struct GNUNET_PeerIdentity));
+    GNUNET_memcpy (id, peer->id, sizeof (struct GNUNET_PeerIdentity));
     return;
   }
   peer->id = GNUNET_new (struct GNUNET_PeerIdentity);
   GNUNET_free (GNUNET_TESTING_hostkey_get (peer->system,
 							  peer->key_number,
 							  peer->id));
-  memcpy (id, peer->id, sizeof (struct GNUNET_PeerIdentity));
+  GNUNET_memcpy (id, peer->id, sizeof (struct GNUNET_PeerIdentity));
 }
 
 
@@ -1724,7 +1724,7 @@ GNUNET_TESTING_get_testname_from_underscore (const char *argv0)
   char *ret;
   char *dot;
 
-  memcpy (sbuf, argv0, slen);
+  GNUNET_memcpy (sbuf, argv0, slen);
   ret = strrchr (sbuf, '_');
   if (NULL == ret)
     return NULL;