From cf14278b92b0a91d01587f09b4b00ea655ae24e6 Mon Sep 17 00:00:00 2001
From: En-En <39373446+En-En-Code@users.noreply.github.com>
Date: Sun, 25 Jan 2026 13:11:53 +0000
Subject: [PATCH] fix: correct `listenfd` assertion

Forgot I wanted the expression for checking identical file descriptors
to be false.
---
 src/main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index eb73f57..f66a080 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -218,7 +218,7 @@ fn parse_args() -> RealData {
                 // - parse_args() must only be called once to avoid double closing.
                 // - no fd can be provided multiple times to avoid double closing.
                 assert!(
-                    data.listenfds.iter().any(|l| l.as_raw_fd() == fd),
+                    !data.listenfds.iter().any(|l| l.as_raw_fd() == fd),
                     "Multiple -listenfd with the same fd is not allowed"
                 );
                 let fd = unsafe { OwnedFd::from_raw_fd(fd) };