ls-files: convert prune_cache to take an index

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams 2017-06-12 15:14:04 -07:00 committed by Junio C Hamano
parent 1d35e3bf05
commit 6510ae173a

View File

@ -380,30 +380,31 @@ static void show_files(struct dir_struct *dir)
/*
* Prune the index to only contain stuff starting with "prefix"
*/
static void prune_cache(const char *prefix, size_t prefixlen)
static void prune_index(struct index_state *istate,
const char *prefix, size_t prefixlen)
{
int pos;
unsigned int first, last;
if (!prefix)
return;
pos = cache_name_pos(prefix, prefixlen);
pos = index_name_pos(istate, prefix, prefixlen);
if (pos < 0)
pos = -pos-1;
first = pos;
last = active_nr;
last = istate->cache_nr;
while (last > first) {
int next = (last + first) >> 1;
const struct cache_entry *ce = active_cache[next];
const struct cache_entry *ce = istate->cache[next];
if (!strncmp(ce->name, prefix, prefixlen)) {
first = next+1;
continue;
}
last = next;
}
memmove(active_cache, active_cache + pos,
memmove(istate->cache, istate->cache + pos,
(last - pos) * sizeof(struct cache_entry *));
active_nr = last - pos;
istate->cache_nr = last - pos;
}
static int get_common_prefix_len(const char *common_prefix)
@ -661,7 +662,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
max_prefix = common_prefix(&pathspec);
max_prefix_len = get_common_prefix_len(max_prefix);
prune_cache(max_prefix, max_prefix_len);
prune_index(&the_index, max_prefix, max_prefix_len);
/* Treat unmatching pathspec elements as errors */
if (pathspec.nr && error_unmatch)