From 713fad1c588b09296e6a358ff2b15fc36b2bc640 Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Tue, 6 Jul 2021 07:39:09 +0200
Subject: [PATCH] QCryptographicHash: don't allocate a Private in hash()

Just create it on the stack, we know the lifetime.

Reduces memory allocations in static hash() from 2 to 1.

Change-Id: Ie0e22b023331da9a6f39c80b4cd1a5c016f63a87
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
---
 src/corelib/tools/qcryptographichash.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/corelib/tools/qcryptographichash.cpp b/src/corelib/tools/qcryptographichash.cpp
index ffa3e415e38..f5c5cbb2043 100644
--- a/src/corelib/tools/qcryptographichash.cpp
+++ b/src/corelib/tools/qcryptographichash.cpp
@@ -665,9 +665,9 @@ QByteArray QCryptographicHashPrivate::finalize()
 */
 QByteArray QCryptographicHash::hash(QByteArrayView data, Algorithm method)
 {
-    QCryptographicHash hash(method);
+    QCryptographicHashPrivate hash(method);
     hash.addData(data);
-    return hash.result();
+    return hash.finalize();
 }
 
 /*!