On Mar 24, 2021, Jonathan Wakely <jwak...@redhat.com> wrote:
> diff --git a/libstdc++-v3/testsuite/util/testsuite_random.h
> b/libstdc++-v3/testsuite/util/testsuite_random.h
> index 0b670bfb771..c8323078492 100644
> --- a/libstdc++-v3/testsuite/util/testsuite_random.h
> +++ b/libstdc++-v3/testsuite/util/testsuite_random.h
> @@ -197,6 +197,19 @@ namespace __gnu_test
> }
> #endif
> + // Check whether TOKEN can construct a std::random_device successfully.
> + inline bool
> + random_device_available(const std::string& token) noexcept
> + {
> + try {
> + std::random_device dev(token);
> + return true;
> + } catch (...) {
> + std::printf("random_device(\"%s\") not available\n", token);
Another nit: I'm seeing line noise (do people still use this term? :-)
in libstdc++.log where unavailable random_device tokens should appear.
I suspect the token has to be converted to a C string in the call above.
--
Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/
Free Software Activist GNU Toolchain Engineer
Vim, Vi, Voltei pro Emacs -- GNUlius Caesar
