#include #include static int update_func(st_data_t *key, st_data_t *value, st_data_t arg, int existing) { VALUE ret = rb_yield_values(existing ? 2 : 1, (VALUE)*key, (VALUE)*value); switch (ret) { case Qfalse: return ST_STOP; case Qnil: return ST_DELETE; default: *value = ret; return ST_CONTINUE; } } static VALUE test_st_update(VALUE self, VALUE key) { if (st_update(RHASH_TBL(self), (st_data_t)key, update_func, 0)) return Qtrue; else return Qfalse; } void Init_update(void) { VALUE st = rb_define_class_under(rb_define_module("Bug"), "StTable", rb_cHash); rb_define_method(st, "st_update", test_st_update, 1); }