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/* 
 * Copyright (c) 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. 
 */

#ifndef ZSTD_ERRORS_H_398273423
#define ZSTD_ERRORS_H_398273423

#if defined (__cplusplus)
extern "C" {
#endif

/*===== dependency =====*/
#include <stddef.h>   /* size_t */


/* =====   ZSTDERRORLIB_API : control library symbols visibility   ===== */ 
#ifndef ZSTDERRORLIB_VISIBILITY 
#  if defined(__GNUC__) && (__GNUC__ >= 4) 
#    define ZSTDERRORLIB_VISIBILITY __attribute__ ((visibility ("default"))) 
#  else 
#    define ZSTDERRORLIB_VISIBILITY 
#  endif 
#endif 
#if defined(ZSTD_DLL_EXPORT) && (ZSTD_DLL_EXPORT==1) 
#  define ZSTDERRORLIB_API __declspec(dllexport) ZSTDERRORLIB_VISIBILITY 
#elif defined(ZSTD_DLL_IMPORT) && (ZSTD_DLL_IMPORT==1) 
#  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.*/ 
#else 
#  define ZSTDERRORLIB_API ZSTDERRORLIB_VISIBILITY 
#endif 
 
/*-********************************************* 
 *  Error codes list 
 *-********************************************* 
 *  Error codes _values_ are pinned down since v1.3.1 only. 
 *  Therefore, don't rely on values if you may link to any version < v1.3.1. 
 * 
 *  Only values < 100 are considered stable. 
 * 
 *  note 1 : this API shall be used with static linking only. 
 *           dynamic linking is not yet officially supported. 
 *  note 2 : Prefer relying on the enum than on its value whenever possible 
 *           This is the only supported way to use the error list < v1.3.1 
 *  note 3 : ZSTD_isError() is always correct, whatever the library version. 
 **********************************************/ 
typedef enum {
  ZSTD_error_no_error = 0, 
  ZSTD_error_GENERIC  = 1, 
  ZSTD_error_prefix_unknown                = 10, 
  ZSTD_error_version_unsupported           = 12, 
  ZSTD_error_frameParameter_unsupported    = 14, 
  ZSTD_error_frameParameter_windowTooLarge = 16, 
  ZSTD_error_corruption_detected = 20, 
  ZSTD_error_checksum_wrong      = 22, 
  ZSTD_error_dictionary_corrupted      = 30, 
  ZSTD_error_dictionary_wrong          = 32, 
  ZSTD_error_dictionaryCreation_failed = 34, 
  ZSTD_error_parameter_unsupported   = 40, 
  ZSTD_error_parameter_outOfBound    = 42, 
  ZSTD_error_tableLog_tooLarge       = 44, 
  ZSTD_error_maxSymbolValue_tooLarge = 46, 
  ZSTD_error_maxSymbolValue_tooSmall = 48, 
  ZSTD_error_stage_wrong       = 60, 
  ZSTD_error_init_missing      = 62, 
  ZSTD_error_memory_allocation = 64, 
  ZSTD_error_workSpace_tooSmall= 66, 
  ZSTD_error_dstSize_tooSmall = 70, 
  ZSTD_error_srcSize_wrong    = 72, 
  ZSTD_error_dstBuffer_null   = 74,
  /* following error codes are __NOT STABLE__, they can be removed or changed in future versions */ 
  ZSTD_error_frameIndex_tooLarge = 100, 
  ZSTD_error_seekableIO          = 102, 
  ZSTD_error_dstBuffer_wrong     = 104,
  ZSTD_error_srcBuffer_wrong     = 105,
  ZSTD_error_maxCode = 120  /* never EVER use this value directly, it can change in future versions! Use ZSTD_isError() instead */ 
} ZSTD_ErrorCode;

/*! ZSTD_getErrorCode() :
    convert a `size_t` function result into a `ZSTD_ErrorCode` enum type,
    which can be used to compare with enum list published above */ 
ZSTDERRORLIB_API ZSTD_ErrorCode ZSTD_getErrorCode(size_t functionResult); 
ZSTDERRORLIB_API const char* ZSTD_getErrorString(ZSTD_ErrorCode code);   /**< Same as ZSTD_getErrorName, but using a `ZSTD_ErrorCode` enum argument */ 


#if defined (__cplusplus)
}
#endif

#endif /* ZSTD_ERRORS_H_398273423 */