--- /dev/null
+/*
+ * Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1 of
+ * the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <lttng/tracelog.h>
+
+void print_err(const char* msg, ...)
+{
+ va_list ap;
+
+ va_start(ap, msg);
+ vtracelog(TRACE_ERR, msg, ap);
+ va_end(ap);
+}
+
+int main(int argc, char **argv)
+{
+ int i;
+ int delay = 0;
+ const char *str = "mystring test";
+ long l = 0x42;
+
+ if (argc > 2)
+ delay = atoi(argv[1]);
+
+ fprintf(stderr, "Demo program starting.\n");
+
+ sleep(delay);
+
+ fprintf(stderr, "Tracing... ");
+
+ for (i = 0; i < 5; i++) {
+ print_err("This is a \"%s\" formatted %d error event %lx", str, i, l);
+ }
+
+ fprintf(stderr, " done.\n");
+ return 0;
+}