linux-kernel - [PATCH 1/4] kconfig: qconf: use preferred form of QString API

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Message-ID: <4616510.LvFx2qVVIh@devpool47.emlix.com>
Date: Thu, 19 Dec 2024 08:20:34 +0100
From: Rolf Eike Beer <eb@...ix.com>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] kconfig: qconf: use preferred form of QString API

A QString constructed from a character literal of length 0, i.e. "", is not
"null" for historical reasons. This does not matter here so use the preferred
method isEmpty() instead.

Also directly construct empty QString objects instead of passing in an empty
character literal that has to be parsed into an empty object first.

Signed-off-by: Rolf Eike Beer <eb@...ix.com>
---
 scripts/kconfig/qconf.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 6c92ef1e16ef..eaa465b0ccf9 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1464,8 +1464,8 @@ void ConfigMainWindow::loadConfig(void)
 {
 	QString str;

-	str = QFileDialog::getOpenFileName(this, "", configname);
-	if (str.isNull())
+	str = QFileDialog::getOpenFileName(this, QString(), configname);
+	if (str.isEmpty())
 		return;

 	if (conf_read(str.toLocal8Bit().constData()))
@@ -1491,8 +1491,8 @@ void ConfigMainWindow::saveConfigAs(void)
 {
 	QString str;

-	str = QFileDialog::getSaveFileName(this, "", configname);
-	if (str.isNull())
+	str = QFileDialog::getSaveFileName(this, QString(), configname);
+	if (str.isEmpty())
 		return;

 	if (conf_write(str.toLocal8Bit().constData())) {
-- 
2.47.1

-- 
Rolf Eike Beer

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