Make evemu ABI resilient

Hide the evemu struct, make it versioned, and instead use new/delete
and accessor functions. This should give us enough ABI stability to
run mixed library implementations.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/evemu-impl.h b/src/evemu-impl.h
new file mode 100644
index 0000000..2346590
--- /dev/null
+++ b/src/evemu-impl.h
@@ -0,0 +1,19 @@
+#ifndef _EVEMU_IMPL_H
+#define _EVEMU_IMPL_H
+
+#include <evemu.h>
+#include <linux/uinput.h>
+
+#define EVPLAY_NBITS    KEY_CNT
+#define EVPLAY_NBYTES   ((EVPLAY_NBITS + 7) / 8)
+
+struct evemu_device {
+        int version_major, version_minor;
+        char name[UINPUT_MAX_NAME_SIZE];
+        struct input_id id;
+        unsigned char mask[EV_CNT][EVPLAY_NBYTES];
+        int bytes[EV_CNT];
+        struct input_absinfo abs[ABS_CNT];
+};
+
+#endif