从实时文件中读取C(文件大小不断增长) [英] C reading from a live file ( file keep growing in size )

问题描述

我有一个正在实时录制的应用程序，捕获文件的大小一直在增长 使用fread()和feof()，但是feof()早就打破了循环，那么从流中读取数据的最佳技术是什么

I have an application that is recording live , the capture file keep growing in size using fread() and feof() , but feof() is breaking the loop early , so what's the best technique to keep reading from the stream

• 我应该等待，然后才能推进文件流吗?
• 我应该再次打开文件并通过计算读取的字节总数前进到位置吗?
• 也许还有别的吗?

代码必须读取文件，构建数据包并发送 固定大小的文件可以很好地进行打包和发送

the code will have to read the file , build a packet and send it packaging and sending is going well with fixed size files

推荐答案

我将监视文件(类似于select(2)).收到通知后，我会尽可能地read然后再次等待.

I would monitor the file (something like select(2)). When notified, I would read as much as possible then wait again.

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