From a7f1a3654041ed4b1d4716f71a8396977aca8223 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 10 Dec 2018 12:57:01 +0100 Subject: [PATCH] bc: simplify bc_program_len() function old new delta bc_program_len 42 34 -8 Signed-off-by: Denys Vlasenko --- miscutils/bc.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/miscutils/bc.c b/miscutils/bc.c index 1879581e3..afd5c8d0e 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -6254,12 +6254,14 @@ static unsigned long bc_program_scale(BcNum *n) static unsigned long bc_program_len(BcNum *n) { - unsigned long len = n->len; - size_t i; - - if (n->rdx != n->len) return len; - for (i = n->len - 1; i < n->len && n->num[i] == 0; --len, --i); + size_t len = n->len; + if (n->rdx != len) return len; + for (;;) { + if (len == 0) break; + len--; + if (n->num[len] != 0) break; + } return len; }