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94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
/*
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* Copyright (c) 2016-present, 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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#ifndef ZSTD_ERRORS_H_398273423
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#define ZSTD_ERRORS_H_398273423
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/*===== dependency =====*/
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#include <stddef.h> /* size_t */
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/* ===== ZSTDERRORLIB_API : control library symbols visibility ===== */
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#ifndef ZSTDERRORLIB_VISIBILITY
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# if defined(__GNUC__) && (__GNUC__ >= 4)
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# define ZSTDERRORLIB_VISIBILITY __attribute__ ((visibility ("default")))
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# else
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# define ZSTDERRORLIB_VISIBILITY
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# endif
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#endif
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#if defined(ZSTD_DLL_EXPORT) && (ZSTD_DLL_EXPORT==1)
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# define ZSTDERRORLIB_API __declspec(dllexport) ZSTDERRORLIB_VISIBILITY
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#elif defined(ZSTD_DLL_IMPORT) && (ZSTD_DLL_IMPORT==1)
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# define ZSTDERRORLIB_API __declspec(dllimport) ZSTDERRORLIB_VISIBILITY /* It isn't required but allows to generate better code, saving a function pointer load from the IAT and an indirect jump.*/
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#else
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# define ZSTDERRORLIB_API ZSTDERRORLIB_VISIBILITY
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#endif
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/*-*********************************************
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* Error codes list
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*-*********************************************
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* Error codes _values_ are pinned down since v1.3.1 only.
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* Therefore, don't rely on values if you may link to any version < v1.3.1.
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*
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* Only values < 100 are considered stable.
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*
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* note 1 : this API shall be used with static linking only.
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* dynamic linking is not yet officially supported.
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* note 2 : Prefer relying on the enum than on its value whenever possible
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* This is the only supported way to use the error list < v1.3.1
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* note 3 : ZSTD_isError() is always correct, whatever the library version.
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**********************************************/
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typedef enum {
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ZSTD_error_no_error = 0,
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ZSTD_error_GENERIC = 1,
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ZSTD_error_prefix_unknown = 10,
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ZSTD_error_version_unsupported = 12,
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ZSTD_error_frameParameter_unsupported = 14,
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ZSTD_error_frameParameter_windowTooLarge = 16,
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ZSTD_error_corruption_detected = 20,
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ZSTD_error_checksum_wrong = 22,
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ZSTD_error_dictionary_corrupted = 30,
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ZSTD_error_dictionary_wrong = 32,
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ZSTD_error_dictionaryCreation_failed = 34,
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ZSTD_error_parameter_unsupported = 40,
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ZSTD_error_parameter_outOfBound = 42,
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ZSTD_error_tableLog_tooLarge = 44,
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ZSTD_error_maxSymbolValue_tooLarge = 46,
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ZSTD_error_maxSymbolValue_tooSmall = 48,
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ZSTD_error_stage_wrong = 60,
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ZSTD_error_init_missing = 62,
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ZSTD_error_memory_allocation = 64,
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ZSTD_error_workSpace_tooSmall= 66,
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ZSTD_error_dstSize_tooSmall = 70,
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ZSTD_error_srcSize_wrong = 72,
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ZSTD_error_dstBuffer_null = 74,
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/* following error codes are __NOT STABLE__, they can be removed or changed in future versions */
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ZSTD_error_frameIndex_tooLarge = 100,
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ZSTD_error_seekableIO = 102,
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ZSTD_error_maxCode = 120 /* never EVER use this value directly, it can change in future versions! Use ZSTD_isError() instead */
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} ZSTD_ErrorCode;
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/*! ZSTD_getErrorCode() :
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convert a `size_t` function result into a `ZSTD_ErrorCode` enum type,
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which can be used to compare with enum list published above */
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ZSTDERRORLIB_API ZSTD_ErrorCode ZSTD_getErrorCode(size_t functionResult);
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ZSTDERRORLIB_API const char* ZSTD_getErrorString(ZSTD_ErrorCode code); /**< Same as ZSTD_getErrorName, but using a `ZSTD_ErrorCode` enum argument */
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ZSTD_ERRORS_H_398273423 */
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