Added unit test for backtrace.

winpr/libwinpr/utils/test/CMakeLists.txt

@@ -7,6 +7,7 @@ set(${MODULE_PREFIX}_DRIVER ${MODULE_NAME}.c)
 set(${MODULE_PREFIX}_TESTS
 	TestIni.c
 	TestImage.c
+	TestBacktrace.c
 	TestQueue.c
 	TestPrint.c
 	TestPubSub.c

winpr/libwinpr/utils/test/TestBacktrace.c

@@ -0,0 +1,28 @@
+
+#include <winpr/debug.h>
+
+int TestBacktrace(int argc, char* argv[])
+{
+	int rc = -1;
+	size_t used, x;
+	char **msg;
+	void *stack = winpr_backtrace(20);
+	if (!stack)
+	{
+		fprintf(stderr, "winpr_backtrace failed!\n");
+		return -1;
+	}
+
+	msg = winpr_backtrace_symbols(stack, &used);
+	if (msg)
+	{
+		for (x=0; x<used; x++)
+			printf("%zd: %s\n", x, msg[x]);
+		rc = 0;
+	}
+	winpr_backtrace_symbols_fd(stack, stdout);
+	
+	winpr_backtrace_free(stack);
+	
+	return rc;
+}