altos/lisp: Eliminate compiler warning about array bounds at -O3

[fw/altos] / src / lisp / ao_lisp_builtin.c

diff --git a/src/lisp/ao_lisp_builtin.c b/src/lisp/ao_lisp_builtin.c
index ebc69f7759ec0d348f427c2480b3682170173061..b808cbc51aa992c3c9a4aa9e4419f3d7d5beca85 100644 (file)
--- a/src/lisp/ao_lisp_builtin.c
+++ b/src/lisp/ao_lisp_builtin.c
@@ -41,9 +41,11 @@ const struct ao_lisp_type ao_lisp_builtin_type = {
 
 #ifdef AO_LISP_MAKE_CONST
 char *ao_lisp_builtin_name(enum ao_lisp_builtin_id b) {
+       (void) b;
        return "???";
 }
 char *ao_lisp_args_name(uint8_t args) {
+       (void) args;
        return "???";
 }
 #else
@@ -104,6 +106,7 @@ static const ao_poly ao_lisp_args_atoms[] = {
 char *
 ao_lisp_args_name(uint8_t args)
 {
+       args &= AO_LISP_FUNC_MASK;
        if (args < sizeof ao_lisp_args_atoms / sizeof ao_lisp_args_atoms[0])
                return ao_lisp_poly_atom(ao_lisp_args_atoms[args])->name;
        return "(unknown)";