From 71c82d1d8ca0617290600050728feda906878115 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Tue, 18 Dec 2018 12:43:21 +0100 Subject: [PATCH] bc: rewrite another for() loop function old new delta zbc_num_d 570 563 -7 Signed-off-by: Denys Vlasenko --- miscutils/bc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/miscutils/bc.c b/miscutils/bc.c index 6c63c1703..0cd8ba6b4 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -1933,7 +1933,6 @@ static FAST_FUNC BC_STATUS zbc_num_d(BcNum *a, BcNum *b, BcNum *restrict c, size BcDig *n, *p, q; size_t len, end, i; BcNum cp; - bool zero = true; if (b->len == 0) RETURN_STATUS(bc_error("divide by zero")); @@ -1961,8 +1960,13 @@ static FAST_FUNC BC_STATUS zbc_num_d(BcNum *a, BcNum *b, BcNum *restrict c, size if (scale > cp.rdx) bc_num_extend(&cp, scale - cp.rdx); if (b->rdx == b->len) { - for (i = 0; zero && i < len; ++i) zero = !b->num[len - i - 1]; - len -= i - 1; + for (;;) { + if (len == 0) break; + len--; + if (b->num[len] != 0) + break; + } + len++; } if (cp.cap == cp.len) bc_num_expand(&cp, cp.len + 1); -- 2.25.1