From 83dac218130a5e91616d1cd515815f0ce9b6c332 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5rten=20Nordheim?= <marten.nordheim@qt.io>
Date: Mon, 27 Feb 2023 17:44:45 +0100
Subject: [PATCH] DNS Lookup: Use standard functions to print version/help

showHelp was already in use, but not showVersion.
Return 0 in both cases, even if it's unreachable.

Task-number: QTBUG-108873
Pick-to: 6.5
Change-Id: Iba820e89d7de066130163e7829f75bbfcfa3f7dd
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
---
 examples/network/dnslookup/dnslookup.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/examples/network/dnslookup/dnslookup.cpp b/examples/network/dnslookup/dnslookup.cpp
index 1fe2eaceb9..62ad622346 100644
--- a/examples/network/dnslookup/dnslookup.cpp
+++ b/examples/network/dnslookup/dnslookup.cpp
@@ -205,12 +205,11 @@ int main(int argc, char *argv[])
         fputs(qPrintable(parser.helpText()), stderr);
         return 1;
     case CommandLineVersionRequested:
-        printf("%s %s\n", qPrintable(QCoreApplication::applicationName()),
-               qPrintable(QCoreApplication::applicationVersion()));
-        return 0;
+        parser.showVersion();
+        Q_UNREACHABLE_RETURN(0);
     case CommandLineHelpRequested:
         parser.showHelp();
-        Q_UNREACHABLE();
+        Q_UNREACHABLE_RETURN(0);
     }
 //! [1]