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-rw-r--r--miscutils/bc.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 6dc79118a..073a113fb 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -1840,12 +1840,19 @@ static BcStatus bc_num_d(BcNum *a, BcNum *b, BcNum *restrict c, size_t scale)
for (q = 0; (!s && n[len] != 0) || bc_num_compare(n, p, len) >= 0; ++q)
bc_num_subArrays(n, p, len);
c->num[i] = q;
+ // a=2^100000
+ // scale=40000
+ // 1/a <- without check below, this will not be interruptible
+ if (G_interrupt) {
+ s = BC_STATUS_FAILURE;
+ break;
+ }
}
bc_num_retireMul(c, scale, a->neg, b->neg);
bc_num_free(&cp);
- return BC_STATUS_SUCCESS; // can't make void, see bc_num_binary()
+ return s;
}
static BcStatus bc_num_r(BcNum *a, BcNum *b, BcNum *restrict c,
@@ -1864,7 +1871,8 @@ static BcStatus bc_num_r(BcNum *a, BcNum *b, BcNum *restrict c,
}
bc_num_init(&temp, d->cap);
- bc_num_d(a, b, c, scale);
+ s = bc_num_d(a, b, c, scale);
+ if (s) goto err;
if (scale != 0) scale = ts;