| /* |
| * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. |
| * All rights reserved. |
| * |
| * This source code is licensed under both the BSD-style license (found in the |
| * LICENSE file in the root directory of this source tree) and the GPLv2 (found |
| * in the COPYING file in the root directory of this source tree). |
| * You may select, at your option, one of the above-listed licenses. |
| */ |
| |
| /* Note : this module is expected to remain private, do not expose it */ |
| |
| #ifndef ERROR_H_MODULE |
| #define ERROR_H_MODULE |
| |
| #if defined (__cplusplus) |
| extern "C" { |
| #endif |
| |
| |
| /* **************************************** |
| * Dependencies |
| ******************************************/ |
| #include <stddef.h> /* size_t */ |
| #include "zstd_errors.h" /* enum list */ |
| |
| |
| /* **************************************** |
| * Compiler-specific |
| ******************************************/ |
| #if defined(__GNUC__) |
| # define ERR_STATIC static __attribute__((unused)) |
| #elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) |
| # define ERR_STATIC static inline |
| #elif defined(_MSC_VER) |
| # define ERR_STATIC static __inline |
| #else |
| # define ERR_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */ |
| #endif |
| |
| |
| /*-**************************************** |
| * Customization (error_public.h) |
| ******************************************/ |
| typedef ZSTD_ErrorCode ERR_enum; |
| #define PREFIX(name) ZSTD_error_##name |
| |
| |
| /*-**************************************** |
| * Error codes handling |
| ******************************************/ |
| #undef ERROR /* reported already defined on VS 2015 (Rich Geldreich) */ |
| #define ERROR(name) ZSTD_ERROR(name) |
| #define ZSTD_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); } |
| |
| |
| /*-**************************************** |
| * Error Strings |
| ******************************************/ |
| |
| const char* ERR_getErrorString(ERR_enum code); /* error_private.c */ |
| |
| ERR_STATIC const char* ERR_getErrorName(size_t code) |
| { |
| return ERR_getErrorString(ERR_getErrorCode(code)); |
| } |
| |
| #if defined (__cplusplus) |
| } |
| #endif |
| |
| #endif /* ERROR_H_MODULE */ |