c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vpp-api/client/client.c b/src/vpp-api/client/client.c
index a57db28..6a12c4a 100644
--- a/src/vpp-api/client/client.c
+++ b/src/vpp-api/client/client.c
@@ -115,7 +115,7 @@
 init (void)
 {
   vac_main_t *pm = &vac_main;
-  memset(pm, 0, sizeof(*pm));
+  clib_memset(pm, 0, sizeof(*pm));
   pthread_mutex_init(&pm->queue_lock, NULL);
   pthread_cond_init(&pm->suspend_cv, NULL);
   pthread_cond_init(&pm->resume_cv, NULL);
@@ -137,7 +137,7 @@
   pthread_cond_destroy(&pm->timeout_cv);
   pthread_cond_destroy(&pm->timeout_cancel_cv);
   pthread_cond_destroy(&pm->terminate_cv);
-  memset(pm, 0, sizeof(*pm));
+  clib_memset(pm, 0, sizeof(*pm));
 }
 
 /*
@@ -215,7 +215,7 @@
         case VL_API_MEMCLNT_KEEPALIVE:
           mp = (void *)msg;
           rmp = vl_msg_api_alloc (sizeof (*rmp));
-          memset (rmp, 0, sizeof (*rmp));
+          clib_memset (rmp, 0, sizeof (*rmp));
           rmp->_vl_msg_id = ntohs(VL_API_MEMCLNT_KEEPALIVE_REPLY);
           rmp->context = mp->context;
           shmem_hdr = am->shmem_hdr;
@@ -472,7 +472,7 @@
       /* Handle an alive-check ping from vpp. */
       mp = (void *)msg;
       rmp = vl_msg_api_alloc (sizeof (*rmp));
-      memset (rmp, 0, sizeof (*rmp));
+      clib_memset (rmp, 0, sizeof (*rmp));
       rmp->_vl_msg_id = ntohs(VL_API_MEMCLNT_KEEPALIVE_REPLY);
       rmp->context = mp->context;
       shmem_hdr = am->shmem_hdr;
diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c
index 0042a2b..5e10e18 100644
--- a/src/vpp-api/client/stat_client.c
+++ b/src/vpp-api/client/stat_client.c
@@ -89,7 +89,7 @@
   int mfd = -1;
   int sock;
 
-  memset (sm, 0, sizeof (*sm));
+  clib_memset (sm, 0, sizeof (*sm));
   if ((sock = socket (AF_UNIX, SOCK_SEQPACKET, 0)) < 0)
     {
       perror ("Couldn't open socket");
diff --git a/src/vpp-api/client/test.c b/src/vpp-api/client/test.c
index 8061fe5..da2211b 100644
--- a/src/vpp-api/client/test.c
+++ b/src/vpp-api/client/test.c
@@ -55,7 +55,7 @@
 #define M_NOALLOC(T,t)                          \
   do {						\
     result_ready = 0;                           \
-    memset (mp, 0, sizeof (*mp));		\
+    clib_memset (mp, 0, sizeof (*mp));		\
     mp->_vl_msg_id = ntohs (VL_API_##T);	\
     mp->client_index = am->my_client_index;	\
   } while(0);
diff --git a/src/vpp-api/vapi/vapi.c b/src/vpp-api/vapi/vapi.c
index 70382d1..031c421 100644
--- a/src/vpp-api/vapi/vapi.c
+++ b/src/vpp-api/vapi/vapi.c
@@ -262,8 +262,9 @@
     {
       goto fail;
     }
-  memset (ctx->vapi_msg_id_t_to_vl_msg_id, ~0,
-	  __vapi_metadata.count * sizeof (*ctx->vapi_msg_id_t_to_vl_msg_id));
+  clib_memset (ctx->vapi_msg_id_t_to_vl_msg_id, ~0,
+	       __vapi_metadata.count *
+	       sizeof (*ctx->vapi_msg_id_t_to_vl_msg_id));
   ctx->event_cbs = calloc (__vapi_metadata.count, sizeof (*ctx->event_cbs));
   if (!ctx->event_cbs)
     {
@@ -318,7 +319,7 @@
       return VAPI_ENOMEM;
     }
   ctx->requests = tmp;
-  memset (ctx->requests, 0, size);
+  clib_memset (ctx->requests, 0, size);
   /* coverity[MISSING_LOCK] - 177211 requests_mutex is not needed here */
   ctx->requests_start = ctx->requests_count = 0;
   if (chroot_prefix)
@@ -651,8 +652,8 @@
 							requests_start].callback_ctx,
 						       VAPI_ENORESP, true,
 						       NULL);
-	  memset (&ctx->requests[ctx->requests_start], 0,
-		  sizeof (ctx->requests[ctx->requests_start]));
+	  clib_memset (&ctx->requests[ctx->requests_start], 0,
+		       sizeof (ctx->requests[ctx->requests_start]));
 	  ++ctx->requests_start;
 	  --ctx->requests_count;
 	  if (ctx->requests_start == ctx->requests_size)
@@ -693,8 +694,8 @@
 	}
       if (is_last)
 	{
-	  memset (&ctx->requests[ctx->requests_start], 0,
-		  sizeof (ctx->requests[ctx->requests_start]));
+	  clib_memset (&ctx->requests[ctx->requests_start], 0,
+		       sizeof (ctx->requests[ctx->requests_start]));
 	  ++ctx->requests_start;
 	  --ctx->requests_count;
 	  if (ctx->requests_start == ctx->requests_size)