RIOT: update submodule to 2020.04

Author: leandrolanzieri

RIOT

@@ -20,7 +20,7 @@
 
 #include <stdio.h>
 
-#include "tlsf-malloc.h"
+#include "tlsf.h"
 #include "msg.h"
 #include "shell.h"
 #include "ccn-lite-riot.h"

task-08/main.c

@@ -61,7 +61,7 @@ static void *_ipv6_fwd_eventloop(void *arg)
         gnrc_pktsnip_t *pkt = msg.content.ptr;
         if(msg.type == GNRC_NETAPI_MSG_TYPE_SND) {
             gnrc_pktsnip_t *ipv6 = gnrc_pktsnip_search_type(pkt, GNRC_NETTYPE_IPV6);
-            ipv6_addr_t addrs[GNRC_NETIF_IPV6_ADDRS_NUMOF];
+            ipv6_addr_t addrs[CONFIG_GNRC_NETIF_IPV6_ADDRS_NUMOF];
             int res;
             ipv6 = ipv6->data;
 

task-09/main.c

@@ -39,14 +39,18 @@ static gnrc_netreg_entry_t server = GNRC_NETREG_ENTRY_INIT_PID(GNRC_NETREG_DEMUX
 static void send(char *addr_str, char *port_str, char *data, unsigned int num,
                  unsigned int delay)
 {
-    int iface;
+    char *iface;
+    gnrc_netif_t *netif = NULL;
     uint16_t port;
     ipv6_addr_t addr;
 
     /* get interface, if available */
     iface = ipv6_addr_split_iface(addr_str);
-    if ((iface < 0) && (gnrc_netif_numof() == 1)) {
-        iface = gnrc_netif_iter(NULL)->pid;
+    if ((!iface) && (gnrc_netif_numof() == 1)) {
+        netif = gnrc_netif_iter(NULL);
+    }
+    else if (iface) {
+        netif = gnrc_netif_get_by_pid(atoi(iface));
     }
     /* parse destination address */
     if (ipv6_addr_from_str(&addr, addr_str) == NULL) {
@@ -86,11 +90,11 @@ static void send(char *addr_str, char *port_str, char *data, unsigned int num,
             return;
         }
         /* add netif header, if interface was given */
-        if (iface > 0) {
-            gnrc_pktsnip_t *netif = gnrc_netif_hdr_build(NULL, 0, NULL, 0);
+        if (netif) {
+            gnrc_pktsnip_t *netif_hdr = gnrc_netif_hdr_build(NULL, 0, NULL, 0);
 
-            ((gnrc_netif_hdr_t *)netif->data)->if_pid = (kernel_pid_t)iface;
-            LL_PREPEND(ip, netif);
+            ((gnrc_netif_hdr_t *)netif_hdr->data)->if_pid = netif->pid;
+            LL_PREPEND(ip, netif_hdr);
         }
         /* send packet */
         if (!gnrc_netapi_dispatch_send(GNRC_NETTYPE_UDP, GNRC_NETREG_DEMUX_CTX_ALL, ip)) {