Merge #19963 #19971 #19974 #19975 #19976

19963: sys/event/timeout: add event_timeout_is_pending() r=benpicco a=benpicco



19971: sys/shell/gnrc_netif: Fix a few blockers for sharing ifconfig shell r=benpicco a=yarrick



19974: gnrc_ipv6_ext_frag: _completed: Add comment why list head is not checked for NULL pointer dereference r=benpicco a=miri64

 


19975: pkg/nanocbor: Bump to latest commit r=benpicco a=bergzand

### Contribution description

Not much to see here

Important changes:
- Add stream-like interface for encoder
- Separate functions for number of items left in arrays and maps

### Testing procedure

The usual test should still work

### Issues/PRs references

None

19976: core: Express -1 as ~0 in thread_status_t cast r=benpicco a=SimonIT



Co-authored-by: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Co-authored-by: Erik Ekman <eekman@google.com>
Co-authored-by: Martine Lenders <m.lenders@fu-berlin.de>
Co-authored-by: Koen Zandberg <koen@bergzand.net>
Co-authored-by: SimonIT <simonit.orig@gmail.com>

core/include/sched.h

@@ -184,7 +184,7 @@ typedef enum {
  */
 #define STATUS_ON_RUNQUEUE      STATUS_RUNNING  /**< to check if on run queue:
                                                    `st >= STATUS_ON_RUNQUEUE`   */
-#define STATUS_NOT_FOUND ((thread_status_t)-1)  /**< Describes an illegal thread status */
+#define STATUS_NOT_FOUND ((thread_status_t)~0)  /**< Describes an illegal thread status */
 /** @} */
 /**
  * @def SCHED_PRIO_LEVELS

pkg/nanocbor/Makefile

@@ -1,6 +1,6 @@
 PKG_NAME    = nanocbor
 PKG_URL     = https://github.com/bergzand/nanocbor
-PKG_VERSION = 1bc789705057c42be32aea17aeec97763aece3c7
+PKG_VERSION = ae01e393f152b8294028986256f8451c93f75cfc
 PKG_LICENSE = CC-0
 
 include $(RIOTBASE)/pkg/pkg.mk

sys/include/event/timeout.h

@@ -107,6 +107,18 @@ void event_timeout_set(event_timeout_t *event_timeout, uint32_t timeout);
  */
 void event_timeout_clear(event_timeout_t *event_timeout);
 
+/**
+ * @brief   Check if a timeout event is scheduled to be executed in the future
+ *
+ * @param[in]   event_timeout   event_timout context object to use
+ * @return      true if the event is scheduled, false otherwise
+ */
+static inline bool event_timeout_is_pending(const event_timeout_t *event_timeout)
+{
+    return ztimer_is_set(event_timeout->clock, &event_timeout->timer)
+        || event_is_queued(event_timeout->queue, event_timeout->event);
+}
+
 #ifdef __cplusplus
 }
 #endif

sys/net/gnrc/network_layer/ipv6/ext/frag/gnrc_ipv6_ext_frag.c

@@ -711,6 +711,7 @@ static gnrc_pktsnip_t *_completed(gnrc_ipv6_ext_frag_rbuf_t *rbuf)
     /* clist: first element is second element ;-) (from next of head) */
     gnrc_ipv6_ext_frag_limits_t *ptr =
             (gnrc_ipv6_ext_frag_limits_t *)rbuf->limits.next->next;
+    /* ptr should not be NULL at this point so it is safe to dereference with ptr->start here */
     if (rbuf->last && (ptr->start == 0)) {
         gnrc_pktsnip_t *res = NULL;
 

sys/shell/Makefile.dep

@@ -3,6 +3,9 @@ USEMODULE += stdin
 ifneq (,$(filter shell_cmds_default,$(USEMODULE)))
   USEMODULE += shell_cmd_sys
 
+  ifneq (,$(filter netif,$(USEMODULE)))
+    USEMODULE += l2util
+  endif
   ifneq (,$(filter app_metadata,$(USEMODULE)))
     USEMODULE += shell_cmd_app_metadata
   endif

sys/shell/cmds/gnrc_netif.c

@@ -29,6 +29,7 @@
 #include "net/gnrc/netif.h"
 #include "net/gnrc/netif/hdr.h"
 #include "net/ipv6/addr.h"
+#include "net/l2util.h"
 #include "net/lora.h"
 #include "net/loramac.h"
 #include "net/netif.h"
@@ -579,7 +580,7 @@ static unsigned _netif_list_flag(netif_t *iface, netopt_t opt, char *str,
     return line_thresh;
 }
 
-#ifdef MODULE_GNRC_IPV6
+#ifdef MODULE_IPV6
 static void _netif_list_ipv6(ipv6_addr_t *addr, uint8_t flags)
 {
     char addr_str[IPV6_ADDR_MAX_STR_LEN];
@@ -599,6 +600,7 @@ static void _netif_list_ipv6(ipv6_addr_t *addr, uint8_t flags)
     else {
         printf("unknown");
     }
+#if MODULE_GNRC_IPV6
     if (flags & GNRC_NETIF_IPV6_ADDRS_FLAGS_ANYCAST) {
         printf(" [anycast]");
     }
@@ -619,6 +621,7 @@ static void _netif_list_ipv6(ipv6_addr_t *addr, uint8_t flags)
             break;
         }
     }
+#endif
     _newline(0U, _LINE_THRESHOLD);
 }
 
@@ -635,7 +638,7 @@ static void _netif_list_groups(ipv6_addr_t *addr)
 
 static void _netif_list(netif_t *iface)
 {
-#ifdef MODULE_GNRC_IPV6
+#ifdef MODULE_IPV6
     ipv6_addr_t ipv6_addrs[CONFIG_GNRC_NETIF_IPV6_ADDRS_NUMOF];
     ipv6_addr_t ipv6_groups[GNRC_NETIF_IPV6_GROUPS_NUMOF];
 #endif
@@ -657,7 +660,7 @@ static void _netif_list(netif_t *iface)
     if (res >= 0) {
         char hwaddr_str[res * 3];
         printf(" HWaddr: %s ",
-               gnrc_netif_addr_to_str(hwaddr, res, hwaddr_str));
+               l2util_addr_to_str(hwaddr, res, hwaddr_str));
     }
     res = netif_get_opt(iface, NETOPT_CHANNEL, 0, &u16, sizeof(u16));
     if (res >= 0) {
@@ -791,7 +794,7 @@ static void _netif_list(netif_t *iface)
     if (res >= 0) {
         char hwaddr_str[res * 3];
         printf("Long HWaddr: ");
-        printf("%s ", gnrc_netif_addr_to_str(hwaddr, res, hwaddr_str));
+        printf("%s ", l2util_addr_to_str(hwaddr, res, hwaddr_str));
         line_thresh++;
     }
     line_thresh = _newline(0U, line_thresh);
@@ -897,11 +900,11 @@ static void _netif_list(netif_t *iface)
         line_thresh++;
     }
     line_thresh = _newline(0U, line_thresh);
-#ifdef MODULE_GNRC_IPV6
     printf("Link type: %s",
            (netif_get_opt(iface, NETOPT_IS_WIRED, 0, &u16, sizeof(u16)) > 0) ?
            "wired" : "wireless");
     _newline(0U, ++line_thresh);
+#ifdef MODULE_IPV6
     res = netif_get_opt(iface, NETOPT_IPV6_ADDR, 0, ipv6_addrs,
                         sizeof(ipv6_addrs));
     if (res >= 0) {
@@ -938,7 +941,7 @@ static void _netif_list(netif_t *iface)
         for (unsigned i = 0; i < CONFIG_L2FILTER_LISTSIZE; i++) {
             if (filter[i].addr_len > 0) {
                 char hwaddr_str[filter[i].addr_len * 3];
-                gnrc_netif_addr_to_str(filter[i].addr, filter[i].addr_len,
+                l2util_addr_to_str(filter[i].addr, filter[i].addr_len,
                                    hwaddr_str);
                 printf("            %2i: %s\n", count++, hwaddr_str);
             }
@@ -1303,7 +1306,7 @@ static int _netif_set_lw_key(netif_t *iface, netopt_t opt, char *key_str)
 static int _netif_set_addr(netif_t *iface, netopt_t opt, char *addr_str)
 {
     uint8_t addr[GNRC_NETIF_L2ADDR_MAXLEN];
-    size_t addr_len = gnrc_netif_addr_from_str(addr_str, addr);
+    size_t addr_len = l2util_addr_from_str(addr_str, addr);
 
     if (addr_len == 0) {
         printf("error: unable to parse address.\n"
@@ -1452,7 +1455,7 @@ static int _netif_set_encrypt_key(netif_t *iface, netopt_t opt, char *key_str)
 static int _netif_addrm_l2filter(netif_t *iface, char *val, bool add)
 {
     uint8_t addr[GNRC_NETIF_L2ADDR_MAXLEN];
-    size_t addr_len = gnrc_netif_addr_from_str(val, addr);
+    size_t addr_len = l2util_addr_from_str(val, addr);
 
     if ((addr_len == 0) || (addr_len > CONFIG_L2FILTER_ADDR_MAXLEN)) {
         printf("error: given address is invalid\n");

tests/sys/events/main.c

@@ -197,6 +197,7 @@ int main(void)
     before = xtimer_now_usec();
 #endif
     event_timeout_set(&event_timeout, (1 * US_PER_SEC));
+    expect(event_timeout_is_pending(&event_timeout));
 
     event_timeout_t event_timeout_canceled;
 
@@ -205,6 +206,7 @@ int main(void)
                        (event_t *)&noevent_callback);
     event_timeout_set(&event_timeout_canceled, 500 * US_PER_MS);
     event_timeout_clear(&event_timeout_canceled);
+    expect(!event_timeout_is_pending(&event_timeout_canceled));
 
     puts("launching event queue");
     event_loop(&queue);