thodg/libgit2/src/tree-cache.h

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• Hash : c2f8b215
  Author :
  Date : 2014-09-28T07:00:49
  

  index: write out the tree cache extension
  
  Keeping the cache around after read-tree is only one part of the
  optimisation opportunities. In order to share the cache between program
  instances, we need to write the TREE extension to the index.
  
  Do so, taking the opportunity to rename 'entries' to 'entry_count' to
  match the name given in the format description. The included test is
  rather trivial, but works as a sanity check.
  

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• src/tree-cache.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #ifndef INCLUDE_tree_cache_h__
  #define INCLUDE_tree_cache_h__
  
  #include "common.h"
  #include "pool.h"
  #include "buffer.h"
  #include "git2/oid.h"
  
  typedef struct git_tree_cache {
  	struct git_tree_cache **children;
  	size_t children_count;
  
  	ssize_t entry_count;
  	git_oid oid;
  	size_t namelen;
  	char name[GIT_FLEX_ARRAY];
  } git_tree_cache;
  
  int git_tree_cache_write(git_buf *out, git_tree_cache *tree);
  int git_tree_cache_read(git_tree_cache **tree, const char *buffer, size_t buffer_size, git_pool *pool);
  void git_tree_cache_invalidate_path(git_tree_cache *tree, const char *path);
  const git_tree_cache *git_tree_cache_get(const git_tree_cache *tree, const char *path);
  int git_tree_cache_new(git_tree_cache **out, const char *name, git_pool *pool);
  /**
   * Read a tree as the root of the tree cache (like for `git read-tree`)
   */
  int git_tree_cache_read_tree(git_tree_cache **out, const git_tree *tree, git_pool *pool);
  void git_tree_cache_free(git_tree_cache *tree);
  
  #endif
  

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