PR71337 fix filesystem::temp_directory_path error handling

	PR libstdc++/71337
	* src/filesystem/ops.cc (temp_directory_path): Pass error_code
	argument to other filesystem operations.
	* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
	Add testcase for inaccessible directory.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241487 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 9 insertions, 4 deletions

diff --git a/libstdc++-v3/src/filesystem/ops.cc b/libstdc++-v3/src/filesystem/ops.cc
index f8ba74ecbb30..90c225b03391 100644
--- a/libstdc++-v3/src/filesystem/ops.cc
+++ b/libstdc++-v3/src/filesystem/ops.cc
@@ -1428,12 +1428,17 @@ fs::path fs::temp_directory_path(error_code& ec)
   for (auto e = env; tmpdir == nullptr && *e != nullptr; ++e)
     tmpdir = ::getenv(*e);
   path p = tmpdir ? tmpdir : "/tmp";
-  if (exists(p) && is_directory(p))
+  auto st = status(p, ec);
+  if (!ec)
     {
-      ec.clear();
-      return p;
+      if (is_directory(st))
+	{
+	  ec.clear();
+	  return p;
+	}
+      else
+	ec = std::make_error_code(std::errc::not_a_directory);
     }
-  ec = std::make_error_code(std::errc::not_a_directory);
   return {};
 #endif
 }