libweston: move TYPEVERIFY macro into shared

This will be useful in the test harness macros. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
2021-02-15 13:34:01 +02:00
parent 69039ceb43
commit eb5a95bfc9
2 changed files with 10 additions and 5 deletions
@@ -134,6 +134,14 @@ extern "C" {
 # endif
 #endif

+/** Ensure argument is of given type */
+#ifndef TYPEVERIFY
+#define TYPEVERIFY(type, arg) ({		\
+	typeof(arg) tmp___ = (arg);		\
+	(void)((type)0 == tmp___);		\
+	tmp___; })
+#endif
+
 #ifdef  __cplusplus
 }
 #endif