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

1 files changed, 4 insertions, 4 deletions

diff --git a/src/transport/plugin_transport_wlan.c b/src/transport/plugin_transport_wlan.c
index 9c9c1e8c2..76fb1ce5a 100644
--- a/src/transport/plugin_transport_wlan.c
+++ b/src/transport/plugin_transport_wlan.c
@@ -732,7 +732,7 @@ send_ack (void *cls,
                    &radio_header->frame,
                    &endpoint->wlan_addr.mac,
                    sizeof (endpoint->wlan_addr.mac));
-  memcpy (&radio_header[1], hdr, msize);
+  GNUNET_memcpy (&radio_header[1], hdr, msize);
   if (NULL !=
       GNUNET_HELPER_send (endpoint->plugin->suid_helper,
                           &radio_header->header,
@@ -996,7 +996,7 @@ transmit_fragment (void *cls,
                      &radio_header->frame,
                      &endpoint->wlan_addr.mac,
                      sizeof (endpoint->wlan_addr.mac));
-    memcpy (&radio_header[1], hdr, msize);
+    GNUNET_memcpy (&radio_header[1], hdr, msize);
     GNUNET_assert (NULL == fm->sh);
     fm->sh = GNUNET_HELPER_send (endpoint->plugin->suid_helper,
                                  &radio_header->header,
@@ -1417,7 +1417,7 @@ wlan_plugin_send (void *cls,
   wlanheader->sender = *plugin->env->my_identity;
   wlanheader->target = session->target;
   wlanheader->crc = htonl (GNUNET_CRYPTO_crc32_n (msgbuf, msgbuf_size));
-  memcpy (&wlanheader[1],
+  GNUNET_memcpy (&wlanheader[1],
           msgbuf,
           msgbuf_size);
   GNUNET_STATISTICS_update (plugin->env->stats,
@@ -1704,7 +1704,7 @@ send_hello_beacon (void *cls)
          (unsigned int) size,
          mac_to_string (&bc_all_mac));
     get_wlan_header (plugin, &radioHeader->frame, &bc_all_mac, size);
-    memcpy (&radioHeader[1], hello, hello_size);
+    GNUNET_memcpy (&radioHeader[1], hello, hello_size);
     if (NULL !=
         GNUNET_HELPER_send (plugin->suid_helper,
                             &radioHeader->header,