From 9d6dce119949d340ebb42becae018a3c11148690 Mon Sep 17 00:00:00 2001 From: Daniel J Walsh Date: Thu, 1 Aug 2019 03:46:14 -0400 Subject: github.com/containers/storage v1.12.13 Signed-off-by: Daniel J Walsh --- vendor/github.com/DataDog/zstd/zbuff_compress.c | 147 ------------------------ 1 file changed, 147 deletions(-) delete mode 100644 vendor/github.com/DataDog/zstd/zbuff_compress.c (limited to 'vendor/github.com/DataDog/zstd/zbuff_compress.c') diff --git a/vendor/github.com/DataDog/zstd/zbuff_compress.c b/vendor/github.com/DataDog/zstd/zbuff_compress.c deleted file mode 100644 index f39c60d89..000000000 --- a/vendor/github.com/DataDog/zstd/zbuff_compress.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * 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. - */ - - - -/* ************************************* -* Dependencies -***************************************/ -#define ZBUFF_STATIC_LINKING_ONLY -#include "zbuff.h" - - -/*-*********************************************************** -* Streaming compression -* -* A ZBUFF_CCtx object is required to track streaming operation. -* Use ZBUFF_createCCtx() and ZBUFF_freeCCtx() to create/release resources. -* Use ZBUFF_compressInit() to start a new compression operation. -* ZBUFF_CCtx objects can be reused multiple times. -* -* Use ZBUFF_compressContinue() repetitively to consume your input. -* *srcSizePtr and *dstCapacityPtr can be any size. -* The function will report how many bytes were read or written by modifying *srcSizePtr and *dstCapacityPtr. -* Note that it may not consume the entire input, in which case it's up to the caller to call again the function with remaining input. -* The content of dst will be overwritten (up to *dstCapacityPtr) at each function call, so save its content if it matters or change dst . -* @return : a hint to preferred nb of bytes to use as input for next function call (it's only a hint, to improve latency) -* or an error code, which can be tested using ZBUFF_isError(). -* -* ZBUFF_compressFlush() can be used to instruct ZBUFF to compress and output whatever remains within its buffer. -* Note that it will not output more than *dstCapacityPtr. -* Therefore, some content might still be left into its internal buffer if dst buffer is too small. -* @return : nb of bytes still present into internal buffer (0 if it's empty) -* or an error code, which can be tested using ZBUFF_isError(). -* -* ZBUFF_compressEnd() instructs to finish a frame. -* It will perform a flush and write frame epilogue. -* Similar to ZBUFF_compressFlush(), it may not be able to output the entire internal buffer content if *dstCapacityPtr is too small. -* @return : nb of bytes still present into internal buffer (0 if it's empty) -* or an error code, which can be tested using ZBUFF_isError(). -* -* Hint : recommended buffer sizes (not compulsory) -* input : ZSTD_BLOCKSIZE_MAX (128 KB), internal unit size, it improves latency to use this value. -* output : ZSTD_compressBound(ZSTD_BLOCKSIZE_MAX) + ZSTD_blockHeaderSize + ZBUFF_endFrameSize : ensures it's always possible to write/flush/end a full block at best speed. -* ***********************************************************/ - -ZBUFF_CCtx* ZBUFF_createCCtx(void) -{ - return ZSTD_createCStream(); -} - -ZBUFF_CCtx* ZBUFF_createCCtx_advanced(ZSTD_customMem customMem) -{ - return ZSTD_createCStream_advanced(customMem); -} - -size_t ZBUFF_freeCCtx(ZBUFF_CCtx* zbc) -{ - return ZSTD_freeCStream(zbc); -} - - -/* ====== Initialization ====== */ - -size_t ZBUFF_compressInit_advanced(ZBUFF_CCtx* zbc, - const void* dict, size_t dictSize, - ZSTD_parameters params, unsigned long long pledgedSrcSize) -{ - if (pledgedSrcSize==0) pledgedSrcSize = ZSTD_CONTENTSIZE_UNKNOWN; /* preserve "0 == unknown" behavior */ - return ZSTD_initCStream_advanced(zbc, dict, dictSize, params, pledgedSrcSize); -} - - -size_t ZBUFF_compressInitDictionary(ZBUFF_CCtx* zbc, const void* dict, size_t dictSize, int compressionLevel) -{ - return ZSTD_initCStream_usingDict(zbc, dict, dictSize, compressionLevel); -} - -size_t ZBUFF_compressInit(ZBUFF_CCtx* zbc, int compressionLevel) -{ - return ZSTD_initCStream(zbc, compressionLevel); -} - -/* ====== Compression ====== */ - - -size_t ZBUFF_compressContinue(ZBUFF_CCtx* zbc, - void* dst, size_t* dstCapacityPtr, - const void* src, size_t* srcSizePtr) -{ - size_t result; - ZSTD_outBuffer outBuff; - ZSTD_inBuffer inBuff; - outBuff.dst = dst; - outBuff.pos = 0; - outBuff.size = *dstCapacityPtr; - inBuff.src = src; - inBuff.pos = 0; - inBuff.size = *srcSizePtr; - result = ZSTD_compressStream(zbc, &outBuff, &inBuff); - *dstCapacityPtr = outBuff.pos; - *srcSizePtr = inBuff.pos; - return result; -} - - - -/* ====== Finalize ====== */ - -size_t ZBUFF_compressFlush(ZBUFF_CCtx* zbc, void* dst, size_t* dstCapacityPtr) -{ - size_t result; - ZSTD_outBuffer outBuff; - outBuff.dst = dst; - outBuff.pos = 0; - outBuff.size = *dstCapacityPtr; - result = ZSTD_flushStream(zbc, &outBuff); - *dstCapacityPtr = outBuff.pos; - return result; -} - - -size_t ZBUFF_compressEnd(ZBUFF_CCtx* zbc, void* dst, size_t* dstCapacityPtr) -{ - size_t result; - ZSTD_outBuffer outBuff; - outBuff.dst = dst; - outBuff.pos = 0; - outBuff.size = *dstCapacityPtr; - result = ZSTD_endStream(zbc, &outBuff); - *dstCapacityPtr = outBuff.pos; - return result; -} - - - -/* ************************************* -* Tool functions -***************************************/ -size_t ZBUFF_recommendedCInSize(void) { return ZSTD_CStreamInSize(); } -size_t ZBUFF_recommendedCOutSize(void) { return ZSTD_CStreamOutSize(); } -- cgit v1.2.3-54-g00ecf