thodg/libgit2/src/patch.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/patch.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_patch_h__
  #define INCLUDE_patch_h__
  
  #include "common.h"
  
  #include "git2/patch.h"
  #include "array.h"
  
  /* cached information about a hunk in a patch */
  typedef struct git_patch_hunk {
  	git_diff_hunk hunk;
  	size_t line_start;
  	size_t line_count;
  } git_patch_hunk;
  
  struct git_patch {
  	git_refcount rc;
  
  	git_repository *repo; /* may be null */
  
  	git_diff_options diff_opts;
  
  	git_diff_delta *delta;
  	git_diff_binary binary;
  	git_array_t(git_patch_hunk) hunks;
  	git_array_t(git_diff_line) lines;
  
  	size_t header_size;
  	size_t content_size;
  	size_t context_size;
  
  	void (*free_fn)(git_patch *patch);
  };
  
  extern int git_patch__invoke_callbacks(
  	git_patch *patch,
  	git_diff_file_cb file_cb,
  	git_diff_binary_cb binary_cb,
  	git_diff_hunk_cb hunk_cb,
  	git_diff_line_cb line_cb,
  	void *payload);
  
  extern int git_patch_line_stats(
  	size_t *total_ctxt,
  	size_t *total_adds,
  	size_t *total_dels,
  	const git_patch *patch);
  
  /** Options for parsing patch files. */
  typedef struct {
  	/**
  	 * The length of the prefix (in path segments) for the filenames.
  	 * This prefix will be removed when looking for files.  The default is 1.
  	 */
  	uint32_t prefix_len;
  } git_patch_options;
  
  #define GIT_PATCH_OPTIONS_INIT { 1 }
  
  extern void git_patch_free(git_patch *patch);
  
  #endif
  

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