91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/*
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Common functions of Zstd compression library
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Copyright (C) 2015-2016, Yann Collet.
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BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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You can contact the author at :
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- zstd homepage : http://www.zstd.net/
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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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#include "zstd_static.h" /* declaration of ZSTD_isError, ZSTD_getErrorName, ZSTD_getErrorCode */
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#include "zbuff.h" /* declaration of ZBUFF_isError, ZBUFF_getErrorName */
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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_getErrorName(code); }
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/* **************************************************************
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* ZBUFF Error Management
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****************************************************************/
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unsigned ZBUFF_isError(size_t errorCode) { return ERR_isError(errorCode); }
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const char* ZBUFF_getErrorName(size_t errorCode) { return ERR_getErrorName(errorCode); }
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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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/* printf("alloc %p, %d opaque=%p \n", address, (int)size, 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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/* if (address) printf("free %p opaque=%p \n", address, opaque); */
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free(address);
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}
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