thodg/libgit2/src/hash/hash_openssl.h

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• Hash : f673e232
  Author :
  Date : 2018-12-27T13:47:34
  

  git_error: use new names in internal APIs and usage Move to the `git_error` name in the internal API for error-related functions.

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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_hash_openssl_h__
  #define INCLUDE_hash_hash_openssl_h__
  
  #include "hash.h"
  
  #include <openssl/sha.h>
  
  struct git_hash_ctx {
  	SHA_CTX c;
  };
  
  #define git_hash_ctx_init(ctx) git_hash_init(ctx)
  #define git_hash_ctx_cleanup(ctx)
  
  GIT_INLINE(int) git_hash_global_init(void)
  {
  	return 0;
  }
  
  GIT_INLINE(int) git_hash_init(git_hash_ctx *ctx)
  {
  	assert(ctx);
  
  	if (SHA1_Init(&ctx->c) != 1) {
  		git_error_set(GIT_ERROR_SHA1, "hash_openssl: failed to initialize hash context");
  		return -1;
  	}
  
  	return 0;
  }
  
  GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
  {
  	assert(ctx);
  
  	if (SHA1_Update(&ctx->c, data, len) != 1) {
  		git_error_set(GIT_ERROR_SHA1, "hash_openssl: failed to update hash");
  		return -1;
  	}
  
  	return 0;
  }
  
  GIT_INLINE(int) git_hash_final(git_oid *out, git_hash_ctx *ctx)
  {
  	assert(ctx);
  
  	if (SHA1_Final(out->id, &ctx->c) != 1) {
  		git_error_set(GIT_ERROR_SHA1, "hash_openssl: failed to finalize hash");
  		return -1;
  	}
  
  	return 0;
  }
  
  #endif
  

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