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ref-cache: introduce a new type, ref_cache

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For now, it just wraps a `ref_entry *` that points at the root of the
tree. Soon it will hold more information.

Add two new functions, `create_ref_cache()` and `free_ref_cache()`.
Make `free_ref_entry()` private.

Change files-backend to use this type to hold its caches.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2017-04-16 08:41:32 +02:00
committed by Junio C Hamano
parent 958f964691
commit 7c22bc8a18
3 changed files with 46 additions and 13 deletions
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16
refs/ref-cache.c
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@ -63,9 +63,17 @@ struct ref_entry *create_ref_entry(const char *refname,
return ref;
}
struct ref_cache *create_ref_cache(struct files_ref_store *refs)
{
struct ref_cache *ret = xcalloc(1, sizeof(*ret));
ret->root = create_dir_entry(refs, "", 0, 1);
return ret;
}
static void clear_ref_dir(struct ref_dir *dir);
void free_ref_entry(struct ref_entry *entry)
static void free_ref_entry(struct ref_entry *entry)
{
if (entry->flag & REF_DIR) {
/*
@ -77,6 +85,12 @@ void free_ref_entry(struct ref_entry *entry)
free(entry);
}
void free_ref_cache(struct ref_cache *cache)
{
free_ref_entry(cache->root);
free(cache);
}
/*
* Clear and free all entries in dir, recursively.
*/