upstream/mercurial-mirror Files · contrib/python-zstandard/zstd/compress/zstd_double_fast.h

revlog: using two new functions in C capsule from Rust code...

revlog: using two new functions in C capsule from Rust code We expose `index_length` and `index_node` in the C capsule, so that the Rust representation of the C index can implement the `RevlogIndex` trait. Because our `Node` is actually a one-field struct, we have to decorate it for direct FFI exchange with the C `char*` It would be a good thing to get a length from the C layer, but doing so right now would probably interfere with the upcoming changes that will happen there for the hash length. Differential Revision: https://phab.mercurial-scm.org/D8152

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             zstd_double_fast.h
        
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      /*

       * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.

       * All rights reserved.

       *

       * This source code is licensed under both the BSD-style license (found in the

       * LICENSE file in the root directory of this source tree) and the GPLv2 (found

       * in the COPYING file in the root directory of this source tree).

       * You may select, at your option, one of the above-listed licenses.

       */

      #ifndef ZSTD_DOUBLE_FAST_H

      #define ZSTD_DOUBLE_FAST_H

      #if defined (__cplusplus)

      extern "C" {

      #endif

      #include "mem.h"      /* U32 */

      #include "zstd_compress_internal.h"     /* ZSTD_CCtx, size_t */

      void ZSTD_fillDoubleHashTable(ZSTD_matchState_t* ms,

                                    void const* end, ZSTD_dictTableLoadMethod_e dtlm);

      size_t ZSTD_compressBlock_doubleFast(

              ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],

              void const* src, size_t srcSize);

      size_t ZSTD_compressBlock_doubleFast_dictMatchState(

              ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],

              void const* src, size_t srcSize);

      size_t ZSTD_compressBlock_doubleFast_extDict(

              ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],

              void const* src, size_t srcSize);

      #if defined (__cplusplus)

      }

      #endif

      #endif /* ZSTD_DOUBLE_FAST_H */

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				/*
				* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
				* All rights reserved.
				*
				* This source code is licensed under both the BSD-style license (found in the
				* LICENSE file in the root directory of this source tree) and the GPLv2 (found
				* in the COPYING file in the root directory of this source tree).
				* You may select, at your option, one of the above-listed licenses.
				*/

				#ifndef ZSTD_DOUBLE_FAST_H
				#define ZSTD_DOUBLE_FAST_H

				#if defined (__cplusplus)
				extern "C" {
				#endif

				#include "mem.h" /* U32 */
				#include "zstd_compress_internal.h" /* ZSTD_CCtx, size_t */

				void ZSTD_fillDoubleHashTable(ZSTD_matchState_t* ms,
				void const* end, ZSTD_dictTableLoadMethod_e dtlm);
				size_t ZSTD_compressBlock_doubleFast(
				ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
				void const* src, size_t srcSize);
				size_t ZSTD_compressBlock_doubleFast_dictMatchState(
				ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
				void const* src, size_t srcSize);
				size_t ZSTD_compressBlock_doubleFast_extDict(
				ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
				void const* src, size_t srcSize);


				#if defined (__cplusplus)
				}
				#endif

				#endif /* ZSTD_DOUBLE_FAST_H */