1 files changed, 93 insertions, 0 deletions
diff --git a/src/compatibility_test.c b/src/compatibility_test.c
new file mode 100644
index 0000000..1741e07
--- /dev/null
+++ b/src/compatibility_test.c
@@ -0,0 +1,93 @@
+/**** POSIX *******************************************************************/
+#include <stdio.h>
+
+/**** LIBEVDEV ****************************************************************/
+#include <libevdev/libevdev.h>
+
+/**** RELABSD *****************************************************************/
+#include <relabsd/debug.h>
+
+#include <relabsd/config/parameters.h>
+
+#include <relabsd/device/axis.h>
+#include <relabsd/device/physical_device.h>
+
+/******************************************************************************/
+/**** LOCAL FUNCTIONS *********************************************************/
+/******************************************************************************/
+static int test_for_axis_and_print_info
+(
+   const struct libevdev * const restrict libevdev
+)
+{
+   int i, device_has_rel;
+   unsigned int rel_code;
+
+   device_has_rel = 0;
+
+   for (i = 0; i < RELABSD_AXIS_VALID_AXES_COUNT; ++i)
+   {
+      rel_code = relabsd_axis_name_to_evdev_rel((enum relabsd_axis_name) i);
+
+      if (libevdev_has_event_code(libevdev, EV_REL, rel_code))
+      {
+         printf
+         (
+            "Relative axis: %s\n",
+            relabsd_axis_name_to_string((enum relabsd_axis_name) i)
+         );
+
+         device_has_rel = 1;
+      }
+   }
+
+   return device_has_rel;
+}
+
+/******************************************************************************/
+/**** EXPORTED FUNCTIONS ******************************************************/
+/******************************************************************************/
+int relabsd_compatibility_test_main
+(
+   const int argc,
+   const char * const argv [const static argc],
+   struct relabsd_parameters parameters [const restrict static 1]
+)
+{
+   struct relabsd_physical_device device;
+   int is_compatible;
+   struct libevdev * libevdev;
+
+   if (relabsd_parameters_parse_options(argc, argv, parameters) < 0)
+   {
+      return -1;
+   }
+
+   if
+   (
+      relabsd_physical_device_open
+      (
+         relabsd_parameters_get_physical_device_file_name(parameters),
+         &device
+      )
+      < 0
+   )
+   {
+      return -1;
+   }
+
+   libevdev = relabsd_physical_device_get_libevdev(&device);
+   is_compatible = test_for_axis_and_print_info (libevdev);
+
+   if (!is_compatible)
+   {
+      return 0;
+   }
+
+   if (relabsd_parameters_are_compatible_with(libevdev, parameters))
+   {
+      return 2;
+   }
+
+   return 1;
+}