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66 lines
1.9 KiB
66 lines
1.9 KiB
/* |
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* Copyright (c) Yann Collet, Facebook, Inc. |
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* All rights reserved. |
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* |
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* This source code is licensed under both the BSD-style license (found in the |
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found |
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* in the COPYING file in the root directory of this source tree). |
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* You may select, at your option, one of the above-listed licenses. |
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*/ |
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/* Note : this module is expected to remain private, do not expose it */ |
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#ifndef ERROR_H_MODULE |
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#define ERROR_H_MODULE |
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/* **************************************** |
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* Dependencies |
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******************************************/ |
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#include "zstd_deps.h" /* size_t */ |
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#include <linux/zstd_errors.h> /* enum list */ |
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/* **************************************** |
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* Compiler-specific |
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******************************************/ |
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#define ERR_STATIC static __attribute__((unused)) |
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/*-**************************************** |
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* Customization (error_public.h) |
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******************************************/ |
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typedef ZSTD_ErrorCode ERR_enum; |
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#define PREFIX(name) ZSTD_error_##name |
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/*-**************************************** |
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* Error codes handling |
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******************************************/ |
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#undef ERROR /* already defined on Visual Studio */ |
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#define ERROR(name) ZSTD_ERROR(name) |
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#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) |
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ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } |
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ERR_STATIC ERR_enum ERR_getErrorCode(size_t code) { if (!ERR_isError(code)) return (ERR_enum)0; return (ERR_enum) (0-code); } |
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/* check and forward error code */ |
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#define CHECK_V_F(e, f) size_t const e = f; if (ERR_isError(e)) return e |
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#define CHECK_F(f) { CHECK_V_F(_var_err__, f); } |
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/*-**************************************** |
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* Error Strings |
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******************************************/ |
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const char* ERR_getErrorString(ERR_enum code); /* error_private.c */ |
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ERR_STATIC const char* ERR_getErrorName(size_t code) |
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{ |
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return ERR_getErrorString(ERR_getErrorCode(code)); |
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} |
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#endif /* ERROR_H_MODULE */
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