Add cache-tree.

[git.git] / cache-tree.h

diff --git a/cache-tree.h b/cache-tree.h
new file mode 100644 (file)
index 0000000..7b149af
--- /dev/null
+++ b/cache-tree.h
@@ -0,0 +1,29 @@
+#ifndef CACHE_TREE_H
+#define CACHE_TREE_H
+
+struct cache_tree;
+struct cache_tree_sub {
+       struct cache_tree *cache_tree;
+       int namelen;
+       int used;
+       char name[FLEX_ARRAY];
+};
+
+struct cache_tree {
+       int entry_count; /* negative means "invalid" */
+       unsigned char sha1[20];
+       int subtree_nr;
+       int subtree_alloc;
+       struct cache_tree_sub **down;
+};
+
+struct cache_tree *cache_tree(void);
+void cache_tree_free(struct cache_tree *);
+void cache_tree_invalidate_path(struct cache_tree *, const char *);
+
+int write_cache_tree(const unsigned char *, struct cache_tree *);
+struct cache_tree *read_cache_tree(unsigned char *);
+int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int);
+
+
+#endif