sha1-lookup: switch hard-coded constants to the_hash_algo

Switch a hard-coded 18 to be a reference to the_hash_algo.  Rename the
sha1 parameter to be called hash instead.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2019-08-18 20:04:14 +00:00 committed by Junio C Hamano
parent fe9fec45f6
commit e84f3572bd

View File

@ -50,7 +50,7 @@ static uint32_t take2(const unsigned char *sha1)
* The sha1 of element i (between 0 and nr - 1) should be returned
* by "fn(i, table)".
*/
int sha1_pos(const unsigned char *sha1, void *table, size_t nr,
int sha1_pos(const unsigned char *hash, void *table, size_t nr,
sha1_access_fn fn)
{
size_t hi = nr;
@ -63,10 +63,10 @@ int sha1_pos(const unsigned char *sha1, void *table, size_t nr,
if (nr != 1) {
size_t lov, hiv, miv, ofs;
for (ofs = 0; ofs < 18; ofs += 2) {
for (ofs = 0; ofs < the_hash_algo->rawsz - 2; ofs += 2) {
lov = take2(fn(0, table) + ofs);
hiv = take2(fn(nr - 1, table) + ofs);
miv = take2(sha1 + ofs);
miv = take2(hash + ofs);
if (miv < lov)
return -1;
if (hiv < miv)
@ -88,7 +88,7 @@ int sha1_pos(const unsigned char *sha1, void *table, size_t nr,
do {
int cmp;
cmp = hashcmp(fn(mi, table), sha1);
cmp = hashcmp(fn(mi, table), hash);
if (!cmp)
return mi;
if (cmp > 0)