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authorDenys Vlasenko2018-12-19 17:59:30 +0100
committerDenys Vlasenko2018-12-19 17:59:30 +0100
commiteac0de55d69a4eea87689c1d4800eb8e80824aca (patch)
treef5262f97e846088a221738f7087b27c9081742e7
parent87888ce4d826a117bac89fe3475a8ae859a6e42a (diff)
downloadbusybox-eac0de55d69a4eea87689c1d4800eb8e80824aca.zip
busybox-eac0de55d69a4eea87689c1d4800eb8e80824aca.tar.gz
bc: avoid bc_vec_item() calls in bc_array_copy()
function old new delta zbc_program_copyToVar 311 300 -11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--miscutils/bc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 8316933..01442c3 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -2572,14 +2572,16 @@ static void bc_array_expand(BcVec *a, size_t len)
static void bc_array_copy(BcVec *d, const BcVec *s)
{
+ BcNum *dnum, *snum;
size_t i;
bc_vec_pop_all(d);
bc_vec_expand(d, s->cap);
d->len = s->len;
- for (i = 0; i < s->len; ++i) {
- BcNum *dnum = bc_vec_item(d, i), *snum = bc_vec_item(s, i);
+ dnum = (void*)d->v;
+ snum = (void*)s->v;
+ for (i = 0; i < s->len; i++, dnum++, snum++) {
bc_num_init(dnum, snum->len);
bc_num_copy(dnum, snum);
}