On Fri, 15 Nov 2024 09:34:54 +0100 Heinrich Schuchardt <heinrich.schucha...@canonical.com> wrote:
> Rasmus Villemoes <r...@prevas.dk> schrieb am Fr., 15. Nov. 2024, > 08:18: [...] > > Or use getrandom(), which according to the man page has been +1 > > exposed via glibc since glibc 2.25. Or just read from /dev/urandom > > which should work everywhere. > > /dev/urandom is not available in containers. > getrandom is not available in OpenBSD. https://man.openbsd.org/OpenBSD-6.0/getentropy Yes, "getentropy() is not intended for regular code; [...]", but when in doubt and there is no one size that fits all, there's nothing wrong with a good old #ifdef or a compat wrapper IMHO. Torsten
