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64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
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/**
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* Copyright (c) 2016 Tino Reichardt
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include "lz4frame.h"
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#include "lz4mt.h"
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/* will be used for lib errors */
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size_t lz4mt_errcode;
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/* ****************************************
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* LZ4MT Error Management
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******************************************/
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/**
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* LZ4MT_isError() - tells if a return value is an error code
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*/
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unsigned LZ4MT_isError(size_t code)
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{
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return (code > ERROR(maxCode));
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}
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/**
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* LZ4MT_getErrorString() - give error code string from function result
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*/
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const char *LZ4MT_getErrorString(size_t code)
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{
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static const char *notErrorCode = "Unspecified error lz4mt code";
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if (LZ4F_isError(lz4mt_errcode))
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return LZ4F_getErrorName(lz4mt_errcode);
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switch ((LZ4MT_ErrorCode)(0-code)) {
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case PREFIX(no_error):
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return "No error detected";
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case PREFIX(memory_allocation):
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return "Allocation error : not enough memory";
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case PREFIX(read_fail):
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return "Read failure";
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case PREFIX(write_fail):
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return "Write failure";
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case PREFIX(data_error):
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return "Malformed input";
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case PREFIX(frame_compress):
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return "Could not compress frame at once";
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case PREFIX(frame_decompress):
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return "Could not decompress frame at once";
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case PREFIX(compressionParameter_unsupported):
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return "Compression parameter is out of bound";
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case PREFIX(compression_library):
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return "Compression library reports failure";
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case PREFIX(maxCode):
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default:
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return notErrorCode;
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}
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}
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