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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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/**
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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 https://github.com/facebook/zstd.
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* An additional grant of patent rights can be found in the PATENTS file in the
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* same directory.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 2 as published by the
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* Free Software Foundation. This program is dual-licensed; you may select
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* either version 2 of the GNU General Public License ("GPL") or BSD license
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* ("BSD").
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*/
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/* Note : this module is expected to remain private, do not expose it */
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#ifndef ERROR_H_MODULE
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#define ERROR_H_MODULE
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/* ****************************************
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* Dependencies
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******************************************/
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#include <linux/types.h> /* size_t */
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#include <linux/zstd.h> /* enum list */
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/* ****************************************
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* Compiler-specific
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******************************************/
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#define ERR_STATIC static __attribute__((unused))
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/*-****************************************
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* Customization (error_public.h)
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******************************************/
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typedef ZSTD_ErrorCode ERR_enum;
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#define PREFIX(name) ZSTD_error_##name
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/*-****************************************
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* Error codes handling
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******************************************/
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#define ERROR(name) ((size_t)-PREFIX(name))
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ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); }
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ERR_STATIC ERR_enum ERR_getErrorCode(size_t code)
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{
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if (!ERR_isError(code))
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return (ERR_enum)0;
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return (ERR_enum)(0 - code);
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}
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#endif /* ERROR_H_MODULE */
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