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45 regels
1.4 KiB
45 regels
1.4 KiB
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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//
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// Must not be included from any .h files to avoid polluting the namespace
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// with macros.
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#ifndef STORAGE_LEVELDB_UTIL_LOGGING_H_
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#define STORAGE_LEVELDB_UTIL_LOGGING_H_
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#include <stdint.h>
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#include <stdio.h>
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#include <string>
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#include "port/port.h"
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namespace leveldb {
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class Slice;
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class WritableFile;
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// Append a human-readable printout of "num" to *str
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void AppendNumberTo(std::string* str, uint64_t num);
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// Append a human-readable printout of "value" to *str.
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// Escapes any non-printable characters found in "value".
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void AppendEscapedStringTo(std::string* str, const Slice& value);
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// Return a human-readable printout of "num"
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std::string NumberToString(uint64_t num);
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// Return a human-readable version of "value".
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// Escapes any non-printable characters found in "value".
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std::string EscapeString(const Slice& value);
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// Parse a human-readable number from "*in" into *value. On success,
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// advances "*in" past the consumed number and sets "*val" to the
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// numeric value. Otherwise, returns false and leaves *in in an
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// unspecified state.
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bool ConsumeDecimalNumber(Slice* in, uint64_t* val);
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} // namespace leveldb
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#endif // STORAGE_LEVELDB_UTIL_LOGGING_H_
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