| /* 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 */ |