How can I convert a file descriptor (int fd) to a file pointer ( FILE* fp )

Question

I can use CFile to get member m_hFile,how to get the CFile's file descriptor(like File*)?I need to convert file handle to file pointer. Thanks!

Answer 1

To my knowledge CFile doesn't use the FILE * abstraction (it uses the windows ReadFile/WriteFile APIs), however you can use _fdopen to get a FILE * from a file descriptor and _open_osfhandl to get a file descriptor for a HANDLE.

You can also use CStdioFile to use FILE * based file operations.