Need to check the type of the method return value
MODIFY
mrbgems/mruby-socket/src/socket.c
mrbgems/mruby-socket/src/socket.c
@@ -265,7 +265,7 @@ sa2addrlist(mrb_state *mrb, const struct sockaddr *sa, socklen_t salen)
static int
socket_fd(mrb_state *mrb, mrb_value sock)
{
- return (int)mrb_integer(mrb_funcall_id(mrb, sock, MRB_SYM(fileno), 0));
+ return (int)mrb_as_int(mrb, mrb_funcall_id(mrb, sock, MRB_SYM(fileno), 0));
}
static int
@@ -468,9 +468,10 @@ mrb_basicsocket_setsockopt(mrb_state *mrb, mrb_value self)
} else if (argc == 1) {
if (strcmp(mrb_obj_classname(mrb, so), "Socket::Option") != 0)
mrb_raise(mrb, E_ARGUMENT_ERROR, "not an instance of Socket::Option");
- level = mrb_integer(mrb_funcall_id(mrb, so, MRB_SYM(level), 0));
- optname = mrb_integer(mrb_funcall_id(mrb, so, MRB_SYM(optname), 0));
+ level = mrb_as_int(mrb, mrb_funcall_id(mrb, so, MRB_SYM(level), 0));
+ optname = mrb_as_int(mrb, mrb_funcall_id(mrb, so, MRB_SYM(optname), 0));
optval = mrb_funcall_id(mrb, so, MRB_SYM(data), 0);
+ mrb_ensure_string_type(mrb, optval);
} else {
mrb_argnum_error(mrb, argc, 3, 3);
}

Need to check the type of the method return value