diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vm.c | 10 |
1 files changed, 4 insertions, 6 deletions
@@ -132,17 +132,14 @@ envadjust(mrb_state *mrb, mrb_value *oldbase, mrb_value *newbase) /** def rec ; $deep =+ 1 ; if $deep > 1000 ; return 0 ; end ; rec ; end */ static void -stack_extend_alloc(mrb_state *mrb, int room, int keep) +stack_extend_alloc(mrb_state *mrb, int room) { mrb_value *oldbase = mrb->c->stbase; int size = mrb->c->stend - mrb->c->stbase; int off = mrb->c->stack - mrb->c->stbase; - /* do not leave uninitialized malloc region */ - if (keep > size) keep = size; - /* Use linear stack growth. - It is slightly slower than doubling thestack space, + It is slightly slower than doubling the stack space, but it saves memory on small devices. */ if (room <= size) size += MRB_STACK_GROWTH; @@ -164,9 +161,10 @@ static inline void stack_extend(mrb_state *mrb, int room, int keep) { if (mrb->c->stack + room >= mrb->c->stend) { - stack_extend_alloc(mrb, room, keep); + stack_extend_alloc(mrb, room); } if (room > keep) { + /* do not leave uninitialized malloc region */ stack_clear(&(mrb->c->stack[keep]), room - keep); } } |