C++实现详解下面是一个经过优化的C++环形缓冲区实现 #include<iostream>#include<vector>#include<stdexcept>#include<iomanip>// 用于设置输出格式classRingBuffer{public:RingBuffer(size_tsize):buffer(size,0),maxSize(size),head(0),tail(0),coun
1.1 用C++基于RingBuffer数据结构实现一个基本的缓冲区实例 扩展小知识,int 和 size_t 的区别 扩展小知识,%的使用 扩展小知识,const修饰函数 1.2 升级版本的RingBuffer缓冲区实现 A:头文件 B:源文件 C:升级内容 D:扩展知识,explicit 避免隐式转换 E:扩展知识,std::optional 2. RingBuffer在Linux网络驱动中的...
assert(buffer);structring_buffer *ring_buf =NULL;if(!is_power_of_2(size)) { fprintf(stderr,"size must be power of 2.\n");returnring_buf; } ring_buf= (structring_buffer *)malloc(sizeof(structring_buffer));if(!ring_buf) { fprintf(stderr,"Failed to malloc memory,errno:%u,reason...
buffer.data() + buffer.size(), buffer.data(),0);// 批量插入元素std::vector<int> elements_to_insert = {4,5,6,7,8}; ring.insert(ring.end(), elements_to_insert.begin(),
() <<"Len Available:"<< ringBuffer.freeSpace() <<"\n"; std::cout <<"Array Values:";while(!ringBuffer.empty()) { std::cout << (int)ringBuffer.getOne() <<""; } std::cout <<"\n"; std::cout <<"Len Read:"<< ringBuffer.length() <<"Len Available:"<< ringBuffer....
线程安全和非线程安全的固定大小,模板化,STL样式的atomic_ringbuffer.hpp缓冲区(分别为atomic_ringbuffer.hpp和ringbuffer.hpp )的单头C ++实现。 两种版本均完全支持RAII / RRID,并在可能的情况下提供强大的异常安全保证。 信息 已知两个文件都可以在-std=c++11和-std=c++14下在OS X 10.11上使用clang ++(版本...
strcmp(name, "stderr")) { rb_data.name_h = stderr; } else { if (NULL == (rb_data.name_h = ws_fopen(name, "wt"))) { if (err != NULL) { *err = errno; } return false; } } return true; } /* * Whether the ringbuf filenames are ready. * (...
(buffer); struct ring_buffer *ring_buf = NULL; if (!is_power_of_2(size)) { fprintf(stderr,size must be power of 2.\n); return ring_buf; } ring_buf = (struct ring_buffer *)malloc(sizeof(struct ring_buffer)); if (!ring_buf) { fprintf(stderr,Failed to malloc memory,errno:...
运行结果如下:ringbuffer sink ringbuffer_sink 将最新的日志消息保存在内存中:#include <spdlog/spdlog.h>#include 'spdlog/sinks/ringbuffer_sink.h'#include 'spdlog/fmt/ranges.h'int main() { auto ringbuffer_sink = std::make_shared<spdlog::sinks::ringbuffer_sink_mt>(5); ...
{ rb_data.name_h = stdout; } else if (!strcmp(name, "stderr")) { rb_data.name_h = stderr; } else { if (NULL == (rb_data.name_h = ws_fopen(name, "wt"))) { if (err != NULL) { *err = errno; } return FALSE; } } return TRUE; } /* * Whether the ringbuf file...