thodg/libgit2/src/git_revwalk.c

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• Hash : 06160502
  Author :
  Date : 2008-10-31T12:30:28
  

  Take the first stab at defining revision traversal Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

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• src/git_revwalk.c

• /*
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or
   * without modification, are permitted provided that the following
   * conditions are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above
   *   copyright notice, this list of conditions and the following
   *   disclaimer in the documentation and/or other materials provided
   *   with the distribution.
   *
   * - Neither the name of the Git Development Community nor the
   *   names of its contributors may be used to endorse or promote
   *   products derived from this software without specific prior
   *   written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "git_revwalk.h"
  #include <stdlib.h>
  #include <string.h>
  
  struct git_revp_attr_t {
  	size_t app_size;
  	git_result_t (*app_init)(git_commit_t *, void *);
  };
  
  struct git_revp_t {
  	git_odb_t *db;
  	git_revp_attr_t attr;
  };
  
  
  git_revp_t *git_revp_alloc(
  	git_odb_t *db,
  	const git_revp_attr_t *attr)
  {
  	git_revp_t *walk = malloc(sizeof(*walk));
  	if (!walk)
  		return NULL;
  
  	walk->db = db;
  	if (attr)
  		memcpy(&walk->attr, attr, sizeof(walk->attr));
  	else
  		memset(&walk->attr, 0, sizeof(walk->attr));
  
  	return walk;
  }
  
  void git_revp_free(git_revp_t *walk)
  {
  	free(walk);
  }
  

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