void *git_cache_try_store(git_cache *cache, void *entry)
{
uint32_t hash;
const git_oid *oid;
cache_node *node = NULL;
oid = &((git_cached_obj*)entry)->oid;
memcpy(&hash, oid->id, sizeof(hash));
node = &cache->nodes[hash & cache->size_mask];
/* increase the refcount on this object, because
* the cache now owns it */
git_cached_obj_incref(entry);
git_mutex_lock(&node->lock);
if (node->ptr == NULL) {
node->ptr = entry;
} else if (git_cached_obj_compare(node->ptr, oid) == 0) {
git_cached_obj_decref(entry, cache->free_obj);
entry = node->ptr;
} else {
git_cached_obj_decref(node->ptr, cache->free_obj);
node->ptr = entry;
}
/* increase the refcount again, because we are
* returning it to the user */
git_cached_obj_incref(entry);
git_mutex_unlock(&node->lock);
return entry;
}
int git_blob__parse(git_blob *blob, git_odb_object *odb_obj)
{
assert(blob);
git_cached_obj_incref((git_cached_obj *)odb_obj);
blob->odb_object = odb_obj;
return GIT_SUCCESS;
}
int git_blob__parse(void *blob, git_odb_object *odb_obj)
{
assert(blob);
git_cached_obj_incref((git_cached_obj *)odb_obj);
((git_blob *)blob)->odb_object = odb_obj;
return 0;
}
int git_blob__parse(void *_blob, git_odb_object *odb_obj)
{
git_blob *blob = (git_blob *) _blob;
assert(blob);
git_cached_obj_incref((git_cached_obj *)odb_obj);
blob->raw = 0;
blob->data.odb = odb_obj;
return 0;
}
void *git_cache_get(git_cache *cache, const git_oid *oid)
{
uint32_t hash;
cache_node *node = NULL;
void *result = NULL;
memcpy(&hash, oid->id, sizeof(hash));
node = &cache->nodes[hash & cache->size_mask];
git_mutex_lock(&node->lock);
{
if (node->ptr && git_cached_obj_compare(node->ptr, oid) == 0) {
git_cached_obj_incref(node->ptr);
result = node->ptr;
}
}
git_mutex_unlock(&node->lock);
return result;
}
int git_object_dup(git_object **dest, git_object *source)
{
git_cached_obj_incref(source);
*dest = source;
return 0;
}