error_private.h
76 lines
| 2.3 KiB
| text/x-c
|
CLexer
Gregory Szorc
|
r37513 | /* | ||
|
Gregory Szorc
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r30434 | * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. | ||
| * All rights reserved. | ||||
| * | ||||
|
Gregory Szorc
|
r37513 | * 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. | ||||
|
Gregory Szorc
|
r30434 | */ | ||
| /* 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 | ||||
| ******************************************/ | ||||
|
Gregory Szorc
|
r37513 | #undef ERROR /* reported already defined on VS 2015 (Rich Geldreich) */ | ||
| #define ERROR(name) ZSTD_ERROR(name) | ||||
| #define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | ||||
|
Gregory Szorc
|
r30434 | |||
| 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 */ | ||||