fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
2.1 KiB
64 lines
2.1 KiB
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
#ifndef THRIFT_UTIL_VARINTUTILS_H_
|
|
#define THRIFT_UTIL_VARINTUTILS_H_ 1
|
|
|
|
#include <stdint.h>
|
|
|
|
namespace apache { namespace thrift {
|
|
|
|
namespace util {
|
|
|
|
/**
|
|
* Read an i16 from the wire as a varint. The MSB of each byte is set
|
|
* if there is another byte to follow. This can read up to 3 bytes.
|
|
*/
|
|
uint32_t readVarint16(uint8_t const* ptr, int16_t* i16,
|
|
uint8_t const* boundary);
|
|
|
|
/**
|
|
* Read an i32 from the wire as a varint. The MSB of each byte is set
|
|
* if there is another byte to follow. This can read up to 5 bytes.
|
|
*/
|
|
uint32_t readVarint32(uint8_t const* ptr, int32_t* i32,
|
|
uint8_t const* boundary);
|
|
|
|
/**
|
|
* Read an i64 from the wire as a proper varint. The MSB of each byte is set
|
|
* if there is another byte to follow. This can read up to 10 bytes.
|
|
* Caller is responsible for advancing ptr after call.
|
|
*/
|
|
uint32_t readVarint64(uint8_t const* ptr, int64_t* i64,
|
|
uint8_t const* boundary);
|
|
|
|
/**
|
|
* Write an i32 as a varint. Results in 1-5 bytes on the wire.
|
|
*/
|
|
uint32_t writeVarint32(uint32_t n, uint8_t* pkt);
|
|
|
|
/**
|
|
* Write an i16 as a varint. Results in 1-3 bytes on the wire.
|
|
*/
|
|
uint32_t writeVarint16(uint16_t n, uint8_t* pkt);
|
|
|
|
}}} // apache::thrift::util
|
|
|
|
#include "VarintUtils.tcc"
|
|
|
|
#endif // THRIFT_UTIL_VARINTUTILS_H_
|
|
|