gahr commented on code in PR #3496:
URL: https://github.com/apache/avro/pull/3496#discussion_r2454455638


##########
lang/c++/test/StreamTests.cc:
##########
@@ -134,36 +135,34 @@ void testNonEmpty2(const TestData &td) {
     Verify1()(*is, td.dataSize);
 }
 
-static const char filename[] = "test_str.bin";
-
-struct FileRemover {
-    const std::filesystem::path file;
-    explicit FileRemover(const char *fn) : file(fn) {}
-    ~FileRemover() { std::filesystem::remove(file); }
+struct FileGuard {
+    const std::filesystem::path path{ std::tmpnam(nullptr) };

Review Comment:
   > 
https://learn.microsoft.com/en-us/previous-versions/visualstudio/visual-studio-2010/hs3e7355(v=vs.100)
   > In the example code there is `// Note: tmpnam is deprecated; consider 
using tmpnam_s instead`
   
   Ah, I see that `tmpnam` is "obsolescent" in POSIX.



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