On 5/6/19 2:05 PM, Florian Weimer wrote: >>> On 4/29/19 2:45 PM, Florian Weimer wrote: >>>> I get that error checking is important. But why not just use ferror and >>>> fflush? Closing the streams is excessive and tends to introduce >>>> use-after-free issues, as evidenced by the sanitizer workarounds.
> This means that for Linux at least, close_stdout should just call > fflush, not fclose. What is the problem? I mean if it is use-after-free as mentioned in the first mail, then write() after fflush() without error checking via another fflush() is in the same category, isn't it? Have a nice day, Berny