mirror of https://github.com/facebook/rocksdb.git
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
|
//
|
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
//
|
|
// Must not be included from any .h files to avoid polluting the namespace
|
|
// with macros.
|
|
|
|
#pragma once
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <string>
|
|
#include "port/port.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
class Slice;
|
|
|
|
// Append a human-readable time in micros.
|
|
int AppendHumanMicros(uint64_t micros, char* output, int len,
|
|
bool fixed_format);
|
|
|
|
// Append a human-readable size in bytes
|
|
int AppendHumanBytes(uint64_t bytes, char* output, int len);
|
|
|
|
// Append a human-readable printout of "num" to *str
|
|
extern void AppendNumberTo(std::string* str, uint64_t num);
|
|
|
|
// Append a human-readable printout of "value" to *str.
|
|
// Escapes any non-printable characters found in "value".
|
|
extern void AppendEscapedStringTo(std::string* str, const Slice& value);
|
|
|
|
// Return a string printout of "num"
|
|
extern std::string NumberToString(uint64_t num);
|
|
|
|
// Return a human-readable version of num.
|
|
// for num >= 10.000, prints "xxK"
|
|
// for num >= 10.000.000, prints "xxM"
|
|
// for num >= 10.000.000.000, prints "xxG"
|
|
extern std::string NumberToHumanString(int64_t num);
|
|
|
|
// Return a human-readable version of "value".
|
|
// Escapes any non-printable characters found in "value".
|
|
extern std::string EscapeString(const Slice& value);
|
|
|
|
// Parse a human-readable number from "*in" into *value. On success,
|
|
// advances "*in" past the consumed number and sets "*val" to the
|
|
// numeric value. Otherwise, returns false and leaves *in in an
|
|
// unspecified state.
|
|
extern bool ConsumeDecimalNumber(Slice* in, uint64_t* val);
|
|
|
|
} // namespace rocksdb
|