trace: remove global default trace json (#969)

Trace initialization should be handled by application (moving this to baresip)

.gitignore

@@ -9,7 +9,6 @@ libre.*dylib
 libre.pc
 libre.so*
 *.gcov
-re_trace.json
 
 # Windows build folder
 Win32/*

src/main/init.c

@@ -168,10 +168,6 @@ int libre_init(void)
 		return err;
 	}
 
-#ifdef RE_TRACE_ENABLED
-	re_trace_init("re_trace.json");
-#endif
-
 	err = re_thread_init();
 
 	return err;
@@ -183,10 +179,6 @@ int libre_init(void)
  */
 void libre_close(void)
 {
-
-#ifdef RE_TRACE_ENABLED
-	re_trace_close();
-#endif
 	(void)fd_setsize(0);
 	net_sock_close();
 	re_thread_close();

test/trace.c

@@ -28,6 +28,9 @@ int test_trace(void)
 	if (test_mode == TEST_THREAD)
 		return ESKIPPED;
 
+	err = re_trace_init("test_trace.json");
+	TEST_ERR(err);
+
 	RE_TRACE_PROCESS_NAME("retest");
 	RE_TRACE_THREAD_NAME("test_trace");
 	RE_TRACE_BEGIN("test", "Test Loop Start");
@@ -51,6 +54,18 @@ int test_trace(void)
 
 	RE_TRACE_END("test", "Test Loop End");
 
+	err = re_trace_close();
+	TEST_ERR(err);
+
+	/* Test TRACE after close - should do nothing */
+	RE_TRACE_BEGIN("test", "test after close");
+
+#ifdef WIN32
+	(void)_unlink("test_trace.json");
+#else
+	(void)unlink("test_trace.json");
+#endif
+
 out:
 	return err;
 }