Bug#916562: libc6: fputs(), fputc(), and fwrite() do not fail on write error

[Asher Gordon <AsDaGo@protonmail.ch>]

On Saturday, December 15, 2018 7:02 PM, Samuel Thibault <sthibault@debian.org> wrote:

> Hello,
>
> Asher Gordon, le sam. 15 déc. 2018 18:51:19 -0500, a ecrit:
>
> > If I use fputs(3), fputc(3), or fwrite(3) to write to a file that can
> > be opened for writing but cannot be written to (e.g /dev/full), the
> > functions return 1 rather than the expected EOF (or 0 in the case of
> > fread()).
>
> Well, that is not surprising since these functions are buffered. You
> need to call fflush() to make sure that no error happened on the actual
> underlying write.
>
> Samuel

You're right. I tried it with fflush() and it gave expected results. I guess we can close this bug now.