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0604273535
v1.7.4 (2020-08-23): - Fixed issue when running compressed EXEs - Changed build system to cmake - Upgraded zstd to version 1.4.5 - Added support for FSCTL_GET_RETRIEVAL_POINTERS - Miscellaneous bug fixes
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
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* Copyright (c) 2016-2020, 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 both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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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, calloc, free */
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#include <string.h> /* memset */
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#include "error_private.h"
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#include "zstd_internal.h"
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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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const char* ZSTD_versionString(void) { return ZSTD_VERSION_STRING; }
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/*-****************************************
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* ZSTD Error Management
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******************************************/
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#undef ZSTD_isError /* defined within zstd_internal.h */
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/*! ZSTD_isError() :
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* tells if a return value is an error code
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* symbol is required for external callers */
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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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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_calloc(size_t size, ZSTD_customMem customMem)
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{
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/* calloc implemented as malloc+memset;
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* not as efficient as calloc, but next best guess for custom malloc */
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void* const ptr = customMem.customAlloc(customMem.opaque, size);
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memset(ptr, 0, size);
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return ptr;
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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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