thodg/libgit2/src/hash/hash_openssl.h

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• Hash : a3aa5f4d
  Author :
  Date : 2013-09-11T12:45:20
  

  Add simple global shutdown hooks Increasingly there are a number of components that want to do some cleanup at global shutdown time (at least if there are not going to be memory leaks). This creates a very simple system of shutdown hooks that will be invoked by git_threads_shutdown. Right now, the maximum number of hooks is hardcoded, but since adding a hook is not a public API, it should be fine and I thought it was better to start off with really simple code.

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• src/hash/hash_openssl.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_hash_openssl_h__
  #define INCLUDE_hash_openssl_h__
  
  #include "hash.h"
  
  #include <openssl/sha.h>
  
  struct git_hash_ctx {
  	SHA_CTX c;
  };
  
  #define git_hash_global_init() 0
  #define git_hash_ctx_init(ctx) git_hash_init(ctx)
  #define git_hash_ctx_cleanup(ctx)
  
  GIT_INLINE(int) git_hash_init(git_hash_ctx *ctx)
  {
  	assert(ctx);
  	SHA1_Init(&ctx->c);
  	return 0;
  }
  
  GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
  {
  	assert(ctx);
  	SHA1_Update(&ctx->c, data, len);
  	return 0;
  }
  
  GIT_INLINE(int) git_hash_final(git_oid *out, git_hash_ctx *ctx)
  {
  	assert(ctx);
  	SHA1_Final(out->id, &ctx->c);
  	return 0;
  }
  
  #endif /* INCLUDE_hash_openssl_h__ */
  

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