From fa89652e68fc07fb6c9f3d9e34dc11d35f0cc1e1 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Thu, 15 May 2025 20:06:32 +0200
Subject: [PATCH] init: Reject + sign in -*port parsing

It would be confusing to specify the sign for an unsigned value here, so
reject it.
---
 src/init.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/init.cpp b/src/init.cpp
index dfc0724adf1..388a21bc88b 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1179,8 +1179,8 @@ bool CheckHostPortOptions(const ArgsManager& args) {
         "-rpcport",
     }) {
         if (const auto port{args.GetArg(port_option)}) {
-            uint16_t n;
-            if (!ParseUInt16(*port, &n) || n == 0) {
+            const auto n{ToIntegral<uint16_t>(*port)};
+            if (!n || *n == 0) {
                 return InitError(InvalidPortErrMsg(port_option, *port));
             }
         }