V8.00.000.2025.06.17

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

lib/cdi_0100_arg/0104_arg_passphrase_modules.sh

@@ -13,15 +13,14 @@
 guard_sourcing
 
 #######################################
-# Generates salt.
+# Generates a 16-byte salt.
 # Globals:
-#   ERR_GENERATE_SALT
 #   NL
 # Arguments:
 #   None
 # Returns:
 #   0: on success
-#   ERR_GENERATE_SALT
+#   ERR_GENERATE_SALT: on failure
 #######################################
 generate_salt() {
   declare var_salt=""
@@ -38,18 +37,20 @@ generate_salt() {
 
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f generate_salt
 
 #######################################
 # Reads and validates a secure one-line password file.
 # Globals:
-#   ERR_READ_PASS_FILE
 #   VAR_DEBUG_TRACE
 # Arguments:
 #   1: Path to password file
 #   2: Name of target variable (via nameref)
 # Returns:
 #   0: on success
-#   ERR_READ_PASS_FILE
+#   ERR_READ_PASS_FILE: on failure
 #######################################
 read_password_file() {
   declare -r var_input_file="${1}"
@@ -106,4 +107,7 @@ read_password_file() {
 
   return 0
 }
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f read_password_file
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh