From 74e871e6e404c3293206d5b13502d7e0a54aecdf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=A8=E5=A4=B4=E4=BA=91?= <orz@orzz.org>
Date: Thu, 14 Oct 2021 22:37:22 +0800
Subject: [PATCH] warning: enumeral and non-enumeral type in conditional
 expression

---
 src/libipc/queue.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libipc/queue.h b/src/libipc/queue.h
index 1a782a9..f66860b 100755
--- a/src/libipc/queue.h
+++ b/src/libipc/queue.h
@@ -144,7 +144,7 @@ public:
     }
 
     std::size_t conn_count() const noexcept {
-        return (elems_ == nullptr) ? invalid_value : elems_->conn_count();
+        return (elems_ == nullptr) ? static_cast<std::size_t>(invalid_value) : elems_->conn_count();
     }
 
     bool valid() const noexcept {