/**
   * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
   * All rights reserved.
   *
   * This source code is licensed under the BSD-style license found in the
   * LICENSE file in the root directory of https://github.com/facebook/zstd.
   * An additional grant of patent rights can be found in the PATENTS file in the
   * same directory.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License version 2 as published by the
   * Free Software Foundation. This program is dual-licensed; you may select
   * either version 2 of the GNU General Public License ("GPL") or BSD license
   * ("BSD").
   */
  
  /* Note : this module is expected to remain private, do not expose it */
  
  #ifndef ERROR_H_MODULE
  #define ERROR_H_MODULE
  
  /* ****************************************
  *  Dependencies
  ******************************************/
  #include <linux/types.h> /* size_t */
  #include <linux/zstd.h>  /* enum list */
  
  /* ****************************************
  *  Compiler-specific
  ******************************************/
  #define ERR_STATIC static __attribute__((unused))
  
  /*-****************************************
  *  Customization (error_public.h)
  ******************************************/
  typedef ZSTD_ErrorCode ERR_enum;
  #define PREFIX(name) ZSTD_error_##name
  
  /*-****************************************
  *  Error codes handling
  ******************************************/
  #define ERROR(name) ((size_t)-PREFIX(name))
  
  ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); }
  
  ERR_STATIC ERR_enum ERR_getErrorCode(size_t code)
  {
  	if (!ERR_isError(code))
  		return (ERR_enum)0;
  	return (ERR_enum)(0 - code);
  }
  
  #endif /* ERROR_H_MODULE */