thodg/libgit2/src/oid.h

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• Hash : 59547ce7
  Author :
  Date : 2013-08-14T10:34:07
  

  oid: Helper for old-school hashcmp

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• src/oid.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_oid_h__
  #define INCLUDE_oid_h__
  
  #include "git2/oid.h"
  
  GIT_INLINE(int) git_oid__hashcmp(const unsigned char *sha1, const unsigned char *sha2)
  {
  	int i;
  
  	for (i = 0; i < GIT_OID_RAWSZ; i++, sha1++, sha2++) {
  		if (*sha1 != *sha2)
  			return *sha1 - *sha2;
  	}
  
  	return 0;
  }
  
  /*
   * Compare two oid structures.
   *
   * @param a first oid structure.
   * @param b second oid structure.
   * @return <0, 0, >0 if a < b, a == b, a > b.
   */
  GIT_INLINE(int) git_oid__cmp(const git_oid *a, const git_oid *b)
  {
  	return git_oid__hashcmp(a->id, b->id);
  }
  
  #endif
  

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