thodg/libgit2/include/git2/tree.h

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• Hash : b0b83135
  Author :
  Date : 2011-03-22T16:15:50
  

  Add close wappers for commit, tree, tag and blob In the same spirit that git_repository_lookup is no longer available, add wrappers so the users don't have to cast when closing their objects. Signed-off-by: Carlos Martín Nieto <cmn@elego.de>

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• include/git2/tree.h

• /*
   * This file is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License, version 2,
   * as published by the Free Software Foundation.
   *
   * In addition to the permissions in the GNU General Public License,
   * the authors give you unlimited permission to link the compiled
   * version of this file into combinations with other programs,
   * and to distribute those combinations without any restriction
   * coming from the use of this file.  (The General Public License
   * restrictions do apply in other respects; for example, they cover
   * modification of the file, and distribution when not linked into
   * a combined executable.)
   *
   * This file is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; see the file COPYING.  If not, write to
   * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  #ifndef INCLUDE_git_tree_h__
  #define INCLUDE_git_tree_h__
  
  #include "common.h"
  #include "types.h"
  #include "oid.h"
  #include "object.h"
  
  /**
   * @file git2/tree.h
   * @brief Git tree parsing, loading routines
   * @defgroup git_tree Git tree parsing, loading routines
   * @ingroup Git
   * @{
   */
  GIT_BEGIN_DECL
  
  /**
   * Lookup a tree object from the repository.
   *
   * @param tree pointer to the looked up tree
   * @param repo the repo to use when locating the tree.
   * @param id identity of the tree to locate.
   * @return 0 on success; error code otherwise
   */
  GIT_INLINE(int) git_tree_lookup(git_tree **tree, git_repository *repo, const git_oid *id)
  {
  	return git_object_lookup((git_object **)tree, repo, id, GIT_OBJ_TREE);
  }
  
  /**
   * Close an open tree
   *
   * This is a wrapper around git_object_close()
   *
   * IMPORTANT:
   * It *is* necessary to call this method when you stop
   * using a tree. Failure to do so will cause a memory leak.
   *
   * @param tree the tree to close
   */
  
  GIT_INLINE(void) git_tree_close(git_tree *tree)
  {
  	return git_object_close((git_object *) tree);
  }
  
  
  /**
   * Get the id of a tree.
   *
   * @param tree a previously loaded tree.
   * @return object identity for the tree.
   */
  GIT_EXTERN(const git_oid *) git_tree_id(git_tree *tree);
  
  /**
   * Get the number of entries listed in a tree
   *
   * @param tree a previously loaded tree.
   * @return the number of entries in the tree
   */
  GIT_EXTERN(size_t) git_tree_entrycount(git_tree *tree);
  
  /**
   * Lookup a tree entry by its filename
   *
   * @param tree a previously loaded tree.
   * @param filename the filename of the desired entry
   * @return the tree entry; NULL if not found
   */
  GIT_EXTERN(git_tree_entry *) git_tree_entry_byname(git_tree *tree, const char *filename);
  
  /**
   * Lookup a tree entry by its position in the tree
   *
   * @param tree a previously loaded tree.
   * @param idx the position in the entry list
   * @return the tree entry; NULL if not found
   */
  GIT_EXTERN(git_tree_entry *) git_tree_entry_byindex(git_tree *tree, int idx);
  
  /**
   * Get the UNIX file attributes of a tree entry
   *
   * @param entry a tree entry
   * @return attributes as an integer
   */
  GIT_EXTERN(unsigned int) git_tree_entry_attributes(git_tree_entry *entry);
  
  /**
   * Get the filename of a tree entry
   *
   * @param entry a tree entry
   * @return the name of the file
   */
  GIT_EXTERN(const char *) git_tree_entry_name(git_tree_entry *entry);
  
  /**
   * Get the id of the object pointed by the entry
   *
   * @param entry a tree entry
   * @return the oid of the object
   */
  GIT_EXTERN(const git_oid *) git_tree_entry_id(git_tree_entry *entry);
  
  /**
   * Convert a tree entry to the git_object it points too.
   *
   * @param object pointer to the converted object
   * @param repo repository where to lookup the pointed object
   * @param entry a tree entry
   * @return a reference to the pointed object in the repository
   */
  GIT_EXTERN(int) git_tree_entry_2object(git_object **object_out, git_repository *repo, git_tree_entry *entry);
  
  /** @} */
  GIT_END_DECL
  #endif
  

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