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-rw-r--r--builtin/ls-files.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 1592290815..18105ec7ea 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -369,11 +369,14 @@ 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)
+static void prune_cache(const char *prefix, size_t prefixlen)
{
- int pos = cache_name_pos(prefix, max_prefix_len);
+ int pos;
unsigned int first, last;
+ if (!prefix)
+ return;
+ pos = cache_name_pos(prefix, prefixlen);
if (pos < 0)
pos = -pos-1;
memmove(active_cache, active_cache + pos,
@@ -384,7 +387,7 @@ static void prune_cache(const char *prefix)
while (last > first) {
int next = (last + first) >> 1;
const struct cache_entry *ce = active_cache[next];
- if (!strncmp(ce->name, prefix, max_prefix_len)) {
+ if (!strncmp(ce->name, prefix, prefixlen)) {
first = next+1;
continue;
}
@@ -641,8 +644,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
show_killed || show_modified || show_resolve_undo))
show_cached = 1;
- if (max_prefix)
- prune_cache(max_prefix);
+ prune_cache(max_prefix, max_prefix_len);
if (with_tree) {
/*
* Basic sanity check; show-stages and show-unmerged