diff options
| author | Alejandro Colomar <alx@kernel.org> | 2023-04-11 22:13:00 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx@kernel.org> | 2023-04-22 00:00:54 +0200 |
| commit | 21ae07e7cd7b54967d8e486e2b443816debe7fa1 (patch) | |
| tree | 2d53eee4940a4b1e3508edaba2a77a44321258ac | |
| parent | 59e44e4511391a98f531c08aaba17391f3b7075b (diff) | |
sockaddr.3type: POSIX Issue 8 will solve strict-aliasing issues with these types
Link: <https://austingroupbugs.net/view.php?id=1641>
Reported-by: Bastien Roucariès <rouca@debian.org>
Reported-by: Alejandro Colomar <alx@kernel.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Cc: glibc <libc-alpha@sourceware.org>
Cc: GCC <gcc@gcc.gnu.org>
Cc: Stefan Puiu <stefan.puiu@gmail.com>
Cc: Igor Sysoev <igor@sysoev.ru>
Cc: Rich Felker <dalias@libc.org>
Cc: Andrew Clayton <andrew@digital-domain.net>
Cc: Richard Biener <richard.guenther@gmail.com>
Cc: Zack Weinberg <zack@owlfolio.org>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Joseph Myers <joseph@codesourcery.com>
Cc: Jakub Jelinek <jakub@redhat.com>
Cc: Sam James <sam@gentoo.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
| -rw-r--r-- | man3type/sockaddr.3type | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/man3type/sockaddr.3type b/man3type/sockaddr.3type index 2fdf56c59..cf8d601f5 100644 --- a/man3type/sockaddr.3type +++ b/man3type/sockaddr.3type @@ -117,6 +117,14 @@ POSIX.1-2001. was invented by POSIX. See also .BR accept (2). +.PP +These structures were invented before modern ISO C strict-aliasing rules. +If aliasing rules are applied strictly, +these structures would be extremely difficult to use +without invoking Undefined Behavior. +POSIX Issue 8 will fix this by requiring that implementations +make sure that these structures +can be safely used as they were designed. .SH NOTES .I socklen_t is also defined in |