[Bug 283014] POSIX issue 7: fileno should be able to fail with EBADF

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283014

--- Comment #4 from [email protected] ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=7cd756ff4fe7e65a9a3f588904998bf6f4b37623

commit 7cd756ff4fe7e65a9a3f588904998bf6f4b37623
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2024-11-28 22:12:29 +0000
Commit:     Konstantin Belousov <[email protected]>
CommitDate: 2024-11-29 15:25:32 +0000

    fileno(3): set errno when returning -1

    as required by IEEE Std 1003.1™-2024.

    PR:     283014
    Reported by:    Graham Percival <[email protected]>
    Reviewed by:    emaste, imp
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D47834

 include/stdio.h         |  4 ----
 lib/libc/stdio/ferror.3 | 20 ++++++++++++++++++--
 lib/libc/stdio/fileno.c | 25 ++++++++++++++++++++-----
 3 files changed, 38 insertions(+), 11 deletions(-)

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