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

rhg: more efficient `HgPath::join`...

rhg: more efficient `HgPath::join` This commit makes `HgPath::join` slightly more efficient by avoiding one copy. It also avoids a particularly inefficient (quadratic) use of `HgPath::join` by using a new mutating function `HgPathBuf::push` instead. The name for `HgPathBuf::push` is chosen by analogy to `PathBuf::push`. Differential Revision: https://phab.mercurial-scm.org/D11721

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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_COMPRESS_LITERALS_H

      #define ZSTD_COMPRESS_LITERALS_H

      #include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */

      size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

      size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

      size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,

                                    ZSTD_hufCTables_t* nextHuf,

                                    ZSTD_strategy strategy, int disableLiteralCompression,

                                    void* dst, size_t dstCapacity,

                              const void* src, size_t srcSize,

                                    void* entropyWorkspace, size_t entropyWorkspaceSize,

                              const int bmi2);

      #endif /* ZSTD_COMPRESS_LITERALS_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_COMPRESS_LITERALS_H
				#define ZSTD_COMPRESS_LITERALS_H

				#include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */


				size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

				size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

				size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,
				ZSTD_hufCTables_t* nextHuf,
				ZSTD_strategy strategy, int disableLiteralCompression,
				void* dst, size_t dstCapacity,
				const void* src, size_t srcSize,
				void* entropyWorkspace, size_t entropyWorkspaceSize,
				const int bmi2);

				#endif /* ZSTD_COMPRESS_LITERALS_H */