最新的freertos(10.0版本之后)目录里面是有stream_buffer.c的,所以ACfly的工程的freertos目录里面有stream_buffer.c,程序员大本营,技术文章内容聚合第一站。
int_type overflow( int_type c) { cout<<"overflow"<<endl;returnc; } streambuf* setbuf(char*s, streamsize n) { setp(s, s+n); setg(s, s, s+n);returnthis; } int_type underflow()override{ cout<<"here"<<endl; memset(buffer,'w',10); setg(buffer, buffer, buffer+10);return'...
#include "stream_buffer.h" #if( configUSE_TASK_NOTIFICATIONS != 1 ) #error configUSE_TASK_NOTIFICATIONS must be set to 1 to build stream_buffer.c #endif /* Lint e961, e9021 and e750 are suppressed as a MISRA exception justified because the MPU ports require MPU_WRAPPERS_INCLUDED_...
输出: first characterinfile: t18charactersinbuffer after it 1#include <iostream>2#include <sstream>34intmain()5{6std::stringstream stream("Hello, world");7std::cout <<"sgetc() returned '"<< (char)stream.rdbuf()->sgetc() <<"'\n";8std::cout <<"peek() returned '"<< (char)str...
全文近7000字。本文会先通过用 fs.readFile 和 fs.createReadStream分别读200MB的文件,对比内存使用情况,来聊聊为什么node需要引入Buffer和Stream;接着会聊四类Stream、stream的highWaterMark和“背压问题”、B…
1 int Read(byte[] buffer,int offset,int size) 该方法将数据读入 buffer 参数并返回成功读取的字节数。如果没有可以读取的数据,则 Read 方法返回 0。Read 操作将读取尽可能多的可用数据, 直至达到由 size 参数指定的字节数为止。如果远程主机关闭了连接并且已接收到所有可用数据,Read 方法将立即完成并返回零字...
Buffer是数据以二进制形式临时存放在内存中的物理映射,stream为搬运数据的传送带和加工器,有方向、状态、缓冲大小。 比如我们实现一个将图片和音频读取到内存然后加工为的视频程序,类似于将原料运输到工厂然后加工为月饼的流程。 Buffer 简介 缓冲区 数据的移动是为了处理或读取它,如果数据到达的速度比进程消耗的速度快...
boost::asio::buffer():本身并不申请内存,只是提供了一个对现有内存的封装。 boost::asio::streambuf:提供了一个流类型的buffer(这个buffer继承自std::streambuf),它自身根据需要动态申请内存的,。并且可以和STL stream一起使用。就像std::streambuf本身,它不能拷贝构造。
public:int sputc(int c) This is supported on Stores the argument c after the put pointer and moves the put pointer past the stored character. If there is enough space in the stream buffer, this will extend the size of the put area. sputc() returns EOF if an error occurs. The conditio...
node-stream-buffer is free and unencumbered public domain software. For more information, see the accompanying UNLICENSE file. Package Sidebar Install npm istream-buffers Repository github.com/samcday/node-stream-buffer Homepage github.com/samcday/node-stream-buffer#readme ...