thodg/libgit2/src/tree-cache.h

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• Hash : 0c7f49dd
  Author :
  Date : 2017-06-30T13:39:01
  

  Make sure to always include "common.h" first Next to including several files, our "common.h" header also declares various macros which are then used throughout the project. As such, we have to make sure to always include this file first in all implementation files. Otherwise, we might encounter problems or even silent behavioural differences due to macros or defines not being defined as they should be. So in fact, our header and implementation files should make sure to always include "common.h" first. This commit does so by establishing a common include pattern. Header files inside of "src" will now always include "common.h" as its first other file, separated by a newline from all the other includes to make it stand out as special. There are two cases for the implementation files. If they do have a matching header file, they will always include this one first, leading to "common.h" being transitively included as first file. If they do not have a matching header file, they instead include "common.h" as first file themselves. This fixes the outlined problems and will become our standard practice for header and source files inside of the "src/" from now on.

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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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