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/*
* Copyright 2020 Google LLC
*
* Use of this source code is governed by a BSD-style
* license that can be found in the LICENSE file or at
* https://developers.google.com/open-source/licenses/bsd
*/
#ifndef REFTABLE_BASICS_H
#define REFTABLE_BASICS_H
#include <stddef.h>
/* A buffer that contains arbitrary byte slices. */
struct reftable_buf {
size_t alloc;
size_t len;
char *buf;
};
#define REFTABLE_BUF_INIT { 0 }
/*
* Hash functions understood by the reftable library. Note that the values are
* arbitrary and somewhat random such that we can easily detect cases where the
* hash hasn't been properly set up.
*/
enum reftable_hash {
REFTABLE_HASH_SHA1 = 89,
REFTABLE_HASH_SHA256 = 247,
};
#define REFTABLE_HASH_SIZE_SHA1 20
#define REFTABLE_HASH_SIZE_SHA256 32
#define REFTABLE_HASH_SIZE_MAX REFTABLE_HASH_SIZE_SHA256
/* Overrides the functions to use for memory management. */
void reftable_set_alloc(void *(*malloc)(size_t),
void *(*realloc)(void *, size_t), void (*free)(void *));
#endif
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