reftable/reftable-basics.h

   1 /*
   2  * Copyright 2020 Google LLC
   3  *
   4  * Use of this source code is governed by a BSD-style
   5  * license that can be found in the LICENSE file or at
   6  * https://developers.google.com/open-source/licenses/bsd
   7 */
   8
   9 #ifndef REFTABLE_BASICS_H
  10 #define REFTABLE_BASICS_H
  11
  12 #include <stddef.h>
  13
  14 /*
  15  * Hash functions understood by the reftable library. Note that the values are
  16  * arbitrary and somewhat random such that we can easily detect cases where the
  17  * hash hasn't been properly set up.
  18  */
  19 enum reftable_hash {
  20         REFTABLE_HASH_SHA1   = 89,
  21         REFTABLE_HASH_SHA256 = 247,
  22 };
  23 #define REFTABLE_HASH_SIZE_SHA1   20
  24 #define REFTABLE_HASH_SIZE_SHA256 32
  25 #define REFTABLE_HASH_SIZE_MAX    REFTABLE_HASH_SIZE_SHA256
  26
  27 /* Overrides the functions to use for memory management. */
  28 void reftable_set_alloc(void *(*malloc)(size_t),
  29                         void *(*realloc)(void *, size_t), void (*free)(void *));
  30
  31 #endif