thodg/libgit2/src/oidmap.h

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• Hash : 5bfb3b58
  Author :
  Date : 2018-11-23T18:48:40
  

  khash: implement map-specific foreach macros
  
  The current foreach map macros simply redirect to the type-indifferent
  `kh_foreach` macro. As this type-indifferent macro directly accesses the
  structures, the current implementation makes it impossible to make the
  stuctures private to the implementation only. And making them private is
  required to move out the khash include into the implementations to
  decrease the namespace leak.
  

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• src/oidmap.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_oidmap_h__
  #define INCLUDE_oidmap_h__
  
  #include "common.h"
  
  #include "git2/oid.h"
  
  #define kmalloc git__malloc
  #define kcalloc git__calloc
  #define krealloc git__realloc
  #define kreallocarray git__reallocarray
  #define kfree git__free
  #include "khash.h"
  
  __KHASH_TYPE(oid, const git_oid *, void *)
  typedef khash_t(oid) git_oidmap;
  
  git_oidmap *git_oidmap_alloc(void);
  void git_oidmap_free(git_oidmap *map);
  void git_oidmap_clear(git_oidmap *map);
  
  size_t git_oidmap_size(git_oidmap *map);
  
  size_t git_oidmap_lookup_index(git_oidmap *map, const git_oid *key);
  int git_oidmap_valid_index(git_oidmap *map, size_t idx);
  
  int git_oidmap_exists(git_oidmap *map, const git_oid *key);
  int git_oidmap_has_data(git_oidmap *map, size_t idx);
  
  const git_oid *git_oidmap_key(git_oidmap *map, size_t idx);
  void git_oidmap_set_key_at(git_oidmap *map, size_t idx, git_oid *key);
  void *git_oidmap_value_at(git_oidmap *map, size_t idx);
  void git_oidmap_set_value_at(git_oidmap *map, size_t idx, void *value);
  void git_oidmap_delete_at(git_oidmap *map, size_t idx);
  
  int git_oidmap_put(git_oidmap *map, const git_oid *key, int *err);
  void git_oidmap_insert(git_oidmap *map, const git_oid *key, void *value, int *rval);
  void git_oidmap_delete(git_oidmap *map, const git_oid *key);
  
  size_t git_oidmap_begin(git_oidmap *map);
  size_t git_oidmap_end(git_oidmap *map);
  
  #define git_oidmap_foreach_value(h, vvar, code) { size_t __i;			\
  	for (__i = git_oidmap_begin(h); __i != git_oidmap_end(h); ++__i) {	\
  		if (!git_oidmap_has_data(h,__i)) continue;			\
  		(vvar) = git_oidmap_value_at(h,__i);				\
  		code;								\
  	} }
  
  #endif
  

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