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mruby-bigint: use zero_p()

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2024-07-29 15:43:22 +09:00
parent 196c2bd0b9
commit dcf7adeeb7
1 changed files with 3 additions and 2 deletions
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mrbgems/mruby-bigint/core/bigint.c
+3 -2
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@@ -659,7 +659,7 @@ mpz_sizeinbase(mpz_t *x, mrb_int base)
size_t bits = digits(x) * DIG_SIZE;
mrb_assert(2 <= base && base <= 36);
if (x->sz == 0) return 0;
if (zero_p(x) || x->sz == 0) return 0;
for (j=0,i=1; i<=(size_t)base; i*=2,j++)
;
return bits/(j-1)+1;
@@ -1533,7 +1533,8 @@ mrb_bint_to_s(mrb_state *mrb, mrb_value x, mrb_int base)
{
struct RBigint *b = RBIGINT(x);
if (b->mp.sz == 0) return mrb_str_new_lit(mrb, "0");
if (zero_p(&b->mp) || b->mp.sz == 0)
return mrb_str_new_lit(mrb, "0");
size_t len = mpz_sizeinbase(&b->mp, (int)base);
if (MRB_INT_MAX-2 < len) {