shell/cord_ep: Add user guidance & prevent accidental crash

RIOT-OS · May 4, 2022 · d34dcdb · d34dcdb
1 parent 126ed47
commit d34dcdb
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/sys/shell/commands/sc_cord_ep.c b/sys/shell/commands/sc_cord_ep.c
@@ -63,6 +63,10 @@ int _cord_ep_handler(int argc, char **argv)
  }
  if (argc > 3) {
  regif = argv[3];
+ if (regif[0] != '/') {
+ puts("error: registration interface must start with '/'");
+ return 1;
+ }
  }
  puts("Registering with RD now, this may take a short while...");
  if (cord_ep_register(&remote, regif) != CORD_EP_OK) {