thodg/libgit2/src/commit_list.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/commit_list.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_commit_list_h__
  #define INCLUDE_commit_list_h__
  
  #include "common.h"
  
  #include "git2/oid.h"
  
  #define PARENT1  (1 << 0)
  #define PARENT2  (1 << 1)
  #define RESULT   (1 << 2)
  #define STALE    (1 << 3)
  #define ALL_FLAGS (PARENT1 | PARENT2 | STALE | RESULT)
  
  #define PARENTS_PER_COMMIT	2
  #define COMMIT_ALLOC \
  	(sizeof(git_commit_list_node) + PARENTS_PER_COMMIT * sizeof(git_commit_list_node *))
  
  #define FLAG_BITS 4
  
  typedef struct git_commit_list_node {
  	git_oid oid;
  	int64_t time;
  	unsigned int seen:1,
  			 uninteresting:1,
  			 topo_delay:1,
  			 parsed:1,
  			 added:1,
  			 flags : FLAG_BITS;
  
  	unsigned short in_degree;
  	unsigned short out_degree;
  
  	struct git_commit_list_node **parents;
  } git_commit_list_node;
  
  typedef struct git_commit_list {
  	git_commit_list_node *item;
  	struct git_commit_list *next;
  } git_commit_list;
  
  git_commit_list_node *git_commit_list_alloc_node(git_revwalk *walk);
  int git_commit_list_time_cmp(const void *a, const void *b);
  void git_commit_list_free(git_commit_list **list_p);
  git_commit_list *git_commit_list_insert(git_commit_list_node *item, git_commit_list **list_p);
  git_commit_list *git_commit_list_insert_by_date(git_commit_list_node *item, git_commit_list **list_p);
  int git_commit_list_parse(git_revwalk *walk, git_commit_list_node *commit);
  git_commit_list_node *git_commit_list_pop(git_commit_list **stack);
  
  #endif
  

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