c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c
index 2ebd683..8115a57 100755
--- a/src/plugins/nat/nat.c
+++ b/src/plugins/nat/nat.c
@@ -293,7 +293,7 @@
     {
       /* no, make a new one */
       pool_get (tsm->users, u);
-      memset (u, 0, sizeof (*u));
+      clib_memset (u, 0, sizeof (*u));
       u->addr.as_u32 = addr->as_u32;
       u->fib_index = fib_index;
 
@@ -368,7 +368,7 @@
   else
     {
       pool_get (tsm->sessions, s);
-      memset (s, 0, sizeof (*s));
+      clib_memset (s, 0, sizeof (*s));
 
       /* Create list elts */
       pool_get (tsm->list_pool, per_user_translation_list_elt);
@@ -440,7 +440,7 @@
   else
     {
       pool_get (tsm->sessions, s);
-      memset (s, 0, sizeof (*s));
+      clib_memset (s, 0, sizeof (*s));
 
       /* Create list elts */
       pool_get (tsm->list_pool, per_user_translation_list_elt);
@@ -845,7 +845,7 @@
 	}
 
       pool_get (sm->static_mappings, m);
-      memset (m, 0, sizeof (*m));
+      clib_memset (m, 0, sizeof (*m));
       m->tag = vec_dup (tag);
       m->local_addr = l_addr;
       m->external_addr = e_addr;
@@ -1186,7 +1186,7 @@
 	}
 
       pool_get (sm->static_mappings, m);
-      memset (m, 0, sizeof (*m));
+      clib_memset (m, 0, sizeof (*m));
       m->tag = vec_dup (tag);
       m->external_addr = e_addr;
       m->external_port = e_port;