[libcxx-commits] [libcxx] [libc++][print] Adds ostream overloads. (PR #73262)

[Mark de Wever via libcxx-commits]

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@@ -198,7 +198,11 @@ inline constexpr bool __use_unicode = true;
 #  endif
 
 _LIBCPP_HIDE_FROM_ABI inline bool __is_terminal(FILE* __stream) {
-#  ifdef _WIN32
+  // The macro _LIBCPP_TESTING_PRINT_IS_TERMINAL is used to change
+  // the behavior in the test. This is not part of the public API.
+#  ifdef _LIBCPP_TESTING_PRINT_IS_TERMINAL
+  return _LIBCPP_TESTING_PRINT_IS_TERMINAL(__stream);
+#  elif defined(_WIN32)
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mordante wrote:

Did the other places in this file too.

https://github.com/llvm/llvm-project/pull/73262