读取()导致错误的文件描述符错误。

Context for this is that the program is basically reading through a filestream, 4K chunks at a time, looking for a certain pattern. It starts by reading in 4k, and if doesn't find the pattern there, it starts a loop which reads in the next 4k chunk (rinse and repeat until EOF or pattern is found). On many files the code is working properly, but some files are getting errors. Context for this is that the program is basical