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* 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_hash_h__

#define INCLUDE_hash_h__

#include "git2/oid.h"

typedef struct git_hash_prov git_hash_prov;

typedef struct git_hash_ctx git_hash_ctx;

int git_hash_global_init(void);

void git_hash_global_shutdown(void);

int git_hash_ctx_init(git_hash_ctx *ctx);

void git_hash_ctx_cleanup(git_hash_ctx *ctx);

#if defined(OPENSSL_SHA1)

# include "hash/hash_openssl.h"

#elif defined(WIN32_SHA1)

# include "hash/hash_win32.h"

#else

# include "hash/hash_generic.h"

#endif

typedef struct {

void *data;

size_t len;

} git_buf_vec;

int git_hash_init(git_hash_ctx *c);

int git_hash_update(git_hash_ctx *c, const void *data, size_t len);

int git_hash_final(git_oid *out, git_hash_ctx *c);

int git_hash_buf(git_oid *out, const void *data, size_t len);

int git_hash_vec(git_oid *out, git_buf_vec *vec, size_t n);

#endif /* INCLUDE_hash_h__ */