thodg/libgit2/src/oid.h

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• Hash : 6c04269c
  Author :
  Date : 2016-03-04T00:50:35
  

  git_odb_exists_many_prefixes: query odb for multiple short ids Query the object database for multiple objects at a time, given their object ID (which may be abbreviated) and optional type.

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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"
  
  /**
   * Format a git_oid into a newly allocated c-string.
   *
   * The c-string is owned by the caller and needs to be manually freed.
   *
   * @param id the oid structure to format
   * @return the c-string; NULL if memory is exhausted. Caller must
   *			deallocate the string with git__free().
   */
  char *git_oid_allocfmt(const git_oid *id);
  
  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);
  }
  
  GIT_INLINE(void) git_oid__cpy_prefix(
  	git_oid *out, const git_oid *id, size_t len)
  {
  	memcpy(&out->id, id->id, (len + 1) / 2);
  
  	if (len & 1)
  		out->id[len / 2] &= 0xF0;
  }
  
  #endif
  

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