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-rw-r--r--src/feature/control/control_events.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/feature/control/control_events.h b/src/feature/control/control_events.h
index 74bbc0047d..535c8e5887 100644
--- a/src/feature/control/control_events.h
+++ b/src/feature/control/control_events.h
@@ -12,6 +12,7 @@
#ifndef TOR_CONTROL_EVENTS_H
#define TOR_CONTROL_EVENTS_H
+#include "lib/cc/ctassert.h"
#include "core/or/ocirc_event.h"
#include "core/or/orconn_event.h"
@@ -287,10 +288,7 @@ typedef uint64_t event_mask_t;
/* If EVENT_MAX_ ever hits 0x0040, we need to make the mask into a
* different structure, as it can only handle a maximum left shift of 1<<63. */
-
-#if EVENT_MAX_ >= EVENT_CAPACITY_
-#error control_connection_t.event_mask has an event greater than its capacity
-#endif
+CTASSERT(EVENT_MAX_ < EVENT_CAPACITY_);
#define EVENT_MASK_(e) (((uint64_t)1)<<(e))