From 48bf96602023b2ead855f13477b6f5e26b663b45 Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Sat, 10 Aug 2019 20:30:07 +0200
Subject: Clean up & check unions

---
 backends/evdev.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

(limited to 'backends/evdev.c')

diff --git a/backends/evdev.c b/backends/evdev.c
index 7a7913d..bd2098d 100644
--- a/backends/evdev.c
+++ b/backends/evdev.c
@@ -18,15 +18,6 @@
 
 #define BACKEND_NAME "evdev"
 
-typedef union {
-	struct {
-		uint32_t pad;
-		uint16_t type;
-		uint16_t code;
-	} fields;
-	uint64_t label;
-} evdev_channel_ident;
-
 static struct {
 	uint8_t detect;
 } evdev_config = {
@@ -46,6 +37,11 @@ int init(){
 		.shutdown = evdev_shutdown
 	};
 
+	if(sizeof(evdev_channel_ident) != sizeof(uint64_t)){
+		fprintf(stderr, "evdev channel identification union out of bounds\n");
+		return 1;
+	}
+
 	if(mm_backend_register(evdev)){
 		fprintf(stderr, "Failed to register evdev backend\n");
 		return 1;
-- 
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