diff options
Diffstat (limited to 'src/numeric.c')
| -rw-r--r-- | src/numeric.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/numeric.c b/src/numeric.c index b0b80c523..6adfff344 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -962,8 +962,9 @@ fix_xor(mrb_state *mrb, mrb_value x) #define NUMERIC_SHIFT_WIDTH_MAX (MRB_INT_BIT-1) static mrb_value -lshift(mrb_state *mrb, mrb_int val, size_t width) +lshift(mrb_state *mrb, mrb_int val, mrb_int width) { + mrb_assert(width >= 0); if (width > NUMERIC_SHIFT_WIDTH_MAX) { mrb_raisef(mrb, E_RANGE_ERROR, "width(%S) > (%S:MRB_INT_BIT-1)", mrb_fixnum_value(width), @@ -974,8 +975,9 @@ lshift(mrb_state *mrb, mrb_int val, size_t width) } static mrb_value -rshift(mrb_int val, size_t width) +rshift(mrb_int val, mrb_int width) { + mrb_assert(width >= 0); if (width >= NUMERIC_SHIFT_WIDTH_MAX) { if (val < 0) { val = -1; |