[libcxx-commits] [PATCH] D122628: [libcxx] random_device, use arc4random() on FreeBSD, NetBSD and DragonFlyBSD

[Brad Smith via Phabricator via libcxx-commits]

brad created this revision.
brad added reviewers: ldionne, emaste, krytarowski.
brad added a project: libc++.
Herald added a project: All.
brad requested review of this revision.
Herald added a reviewer: libc++.

With OpenBSD and now macOS using arc4random() for the random device, might as well look at the other BSD's that have arc4random().


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122628

Files:
  libcxx/include/__config


Index: libcxx/include/__config
===================================================================
--- libcxx/include/__config
+++ libcxx/include/__config
@@ -348,7 +348,8 @@
 //      Use rand_s(), for use on Windows.
 //      When this option is used, the token passed to `std::random_device`'s
 //      constructor *must* be "/dev/urandom" -- anything else is an error.
-#if defined(__OpenBSD__) || defined(__APPLE__)
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
+    defined(__OpenBSD__) || defined(__DragonFly__)
 #  define _LIBCPP_USING_ARC4_RANDOM
 #elif defined(__wasi__)
 #  define _LIBCPP_USING_GETENTROPY


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