src/hash.h

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7 #ifndef INCLUDE_hash_h__
   8 #define INCLUDE_hash_h__
   9
  10 #include "git2/oid.h"
  11
  12 typedef struct git_hash_prov git_hash_prov;
  13 typedef struct git_hash_ctx git_hash_ctx;
  14
  15 int git_hash_global_init(void);
  16 void git_hash_global_shutdown(void);
  17
  18 int git_hash_ctx_init(git_hash_ctx *ctx);
  19 void git_hash_ctx_cleanup(git_hash_ctx *ctx);
  20
  21 #if defined(OPENSSL_SHA1)
  22 # include "hash/hash_openssl.h"
  23 #elif defined(WIN32_SHA1)
  24 # include "hash/hash_win32.h"
  25 #else
  26 # include "hash/hash_generic.h"
  27 #endif
  28
  29 typedef struct {
  30         void *data;
  31         size_t len;
  32 } git_buf_vec;
  33
  34 int git_hash_init(git_hash_ctx *c);
  35 int git_hash_update(git_hash_ctx *c, const void *data, size_t len);
  36 int git_hash_final(git_oid *out, git_hash_ctx *c);
  37
  38 int git_hash_buf(git_oid *out, const void *data, size_t len);
  39 int git_hash_vec(git_oid *out, git_buf_vec *vec, size_t n);
  40
  41 #endif /* INCLUDE_hash_h__ */