f177c15347
zstd has much better compression speed and ratio, and better decompression speed than currently available methods. Also set zstd as the default compression method for Compression as well as FileAccessCompressed functions.
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/**
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/*-*************************************
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* Dependencies
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***************************************/
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#include <stdlib.h> /* malloc */
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#include "error_private.h"
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#define ZSTD_STATIC_LINKING_ONLY
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#include "zstd.h" /* declaration of ZSTD_isError, ZSTD_getErrorName, ZSTD_getErrorCode, ZSTD_getErrorString, ZSTD_versionNumber */
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/*-****************************************
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* Version
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******************************************/
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unsigned ZSTD_versionNumber (void) { return ZSTD_VERSION_NUMBER; }
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/*-****************************************
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* ZSTD Error Management
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******************************************/
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/*! ZSTD_isError() :
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* tells if a return value is an error code */
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unsigned ZSTD_isError(size_t code) { return ERR_isError(code); }
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/*! ZSTD_getErrorName() :
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* provides error code string from function result (useful for debugging) */
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const char* ZSTD_getErrorName(size_t code) { return ERR_getErrorName(code); }
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/*! ZSTD_getError() :
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* convert a `size_t` function result into a proper ZSTD_errorCode enum */
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ZSTD_ErrorCode ZSTD_getErrorCode(size_t code) { return ERR_getErrorCode(code); }
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/*! ZSTD_getErrorString() :
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* provides error code string from enum */
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const char* ZSTD_getErrorString(ZSTD_ErrorCode code) { return ERR_getErrorString(code); }
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/*=**************************************************************
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* Custom allocator
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****************************************************************/
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/* default uses stdlib */
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void* ZSTD_defaultAllocFunction(void* opaque, size_t size)
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{
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void* address = malloc(size);
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(void)opaque;
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return address;
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}
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void ZSTD_defaultFreeFunction(void* opaque, void* address)
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{
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(void)opaque;
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free(address);
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}
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void* ZSTD_malloc(size_t size, ZSTD_customMem customMem)
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{
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return customMem.customAlloc(customMem.opaque, size);
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}
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void ZSTD_free(void* ptr, ZSTD_customMem customMem)
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{
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if (ptr!=NULL)
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customMem.customFree(customMem.opaque, ptr);
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}
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