| /* SPDX-License-Identifier: (GPL-2.0 or BSD-3-Clause-Clear) */ |
| /** |
| * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. |
| * All rights reserved. |
| */ |
| |
| /* 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 */ |
