V8.13.384.2025.11.06

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

lib/lib_helper_ip.sh

@@ -13,26 +13,32 @@
 guard_sourcing
 
 #######################################
-# IP Notation cleaner for pure IP output only
+# IP notation cleaner for pure IP output only.
 # Globals:
 #   ARY_HANDLER_JUMPHOST
 #   ARY_HANDLER_JUMPHOST_UNIQUE
 # Arguments:
-#  None
+#   None
+# Returns:
+#   0: on success
 #######################################
 clean_ip() {
-  declare host
-  declare stripped
+  declare host="" stripped=""
   for host in "${ARY_HANDLER_JUMPHOST[@]}"; do
     # Remove leading '[' and trailing ']'
     stripped="${host#\[}"
     stripped="${stripped%\]}"
     # Skip if it contains a slash (CIDR range)
-    if [[ ${stripped} == */*   ]]; then
+    if [[ ${stripped} == */* ]]; then
         continue
     fi
     # Directly append, no duplicate check
+    # shellcheck disable=SC2034
     declare -ga ARY_HANDLER_JUMPHOST_UNIQUE+=("${stripped}")
   done
+  return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f clean_ip
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh