[libcxx-commits] [PATCH] D122522: [libcxx] random_device, specify optimal entropy properties for all OS's using arc4random()

[Brad Smith via Phabricator via libcxx-commits]

brad created this revision.
brad added reviewers: ldionne, libc++.
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After noticing D116045 <https://reviews.llvm.org/D116045>, fix the function to take into consideration other OS's using arc4random().


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122522

Files:
  libcxx/src/random.cpp


Index: libcxx/src/random.cpp
===================================================================
--- libcxx/src/random.cpp
+++ libcxx/src/random.cpp
@@ -210,7 +210,7 @@
     return std::numeric_limits<result_type>::digits;
 
   return ent;
-#elif defined(__OpenBSD__) || defined(_LIBCPP_USING_FUCHSIA_CPRNG)
+#elif defined(_LIBCPP_USING_ARC4_RANDOM) || defined(_LIBCPP_USING_FUCHSIA_CPRNG)
   return std::numeric_limits<result_type>::digits;
 #else
   return 0;


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