Re: [PATCH 5/7] perf header: use struct feat_fd for process and read

From: Jiri Olsa
Date: Thu May 18 2017 - 12:14:07 EST

On Wed, May 17, 2017 at 09:16:00PM -0700, David Carrillo-Cisneros wrote:
> As preparation for using header records in pipe mode, replace
> int fd with struct feat_fd fd in process and read functions for
> all header record types.
> To reduce the boiler plate, define and use the FEAT_PROCESS_STR_FUN
> macro for the common case of header records that are a simple string.

please separate those changes, AFAICS it's following:
- using feat_fd in read functions
- reworking do_read_string function
- replacing readn with new do_read* functions