From f74015db20c1ac85df6397df7199a030e6db828f Mon Sep 17 00:00:00 2001
From: Uwe Hermann <uwe@hermann-uwe.de>
Date: Mon, 8 Feb 2016 21:17:34 +0100
Subject: [PATCH] Use nullptr in some more places.

This patch was generated using clang-tidy:

  clang-tidy -checks="-*,modernize-use-nullptr" -fix
---
 main.cpp                 | 12 ++++++------
 pv/view/signal.cpp       |  2 +-
 pv/widgets/wellarray.cpp |  2 +-
 signalhandler.cpp        |  6 +++---
 4 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/main.cpp b/main.cpp
index 3e004796..78a131a5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -84,12 +84,12 @@ int main(int argc, char *argv[])
 	// Parse arguments
 	while (1) {
 		static const struct option long_options[] = {
-			{"help", no_argument, 0, 'h'},
-			{"version", no_argument, 0, 'V'},
-			{"loglevel", required_argument, 0, 'l'},
-			{"input-file", required_argument, 0, 'i'},
-			{"input-format", required_argument, 0, 'I'},
-			{0, 0, 0, 0}
+			{"help", no_argument, nullptr, 'h'},
+			{"version", no_argument, nullptr, 'V'},
+			{"loglevel", required_argument, nullptr, 'l'},
+			{"input-file", required_argument, nullptr, 'i'},
+			{"input-format", required_argument, nullptr, 'I'},
+			{nullptr, 0, nullptr, 0}
 		};
 
 		const int c = getopt_long(argc, argv,
diff --git a/pv/view/signal.cpp b/pv/view/signal.cpp
index 67f8dde9..5cd5b183 100644
--- a/pv/view/signal.cpp
+++ b/pv/view/signal.cpp
@@ -116,7 +116,7 @@ void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
 {
 	name_widget_ = new QComboBox(parent);
 	name_widget_->setEditable(true);
-	name_widget_->setCompleter(0);
+	name_widget_->setCompleter(nullptr);
 
 	for (unsigned int i = 0; i < countof(ChannelNames); i++)
 		name_widget_->insertItem(i, ChannelNames[i]);
diff --git a/pv/widgets/wellarray.cpp b/pv/widgets/wellarray.cpp
index 1f3bf698..ad29b039 100644
--- a/pv/widgets/wellarray.cpp
+++ b/pv/widgets/wellarray.cpp
@@ -104,7 +104,7 @@ WellArray::WellArray(int rows, int cols, QWidget *parent)
     : QWidget(parent)
         ,nrows(rows), ncols(cols)
 {
-    d = 0;
+    d = nullptr;
     setFocusPolicy(Qt::StrongFocus);
     cellw = 28;
     cellh = 24;
diff --git a/signalhandler.cpp b/signalhandler.cpp
index fbbcf225..4736292c 100644
--- a/signalhandler.cpp
+++ b/signalhandler.cpp
@@ -42,8 +42,8 @@ bool SignalHandler::prepare_signals()
 	sigemptyset(&sig_action.sa_mask);
 	sig_action.sa_flags = SA_RESTART;
 
-	if (sigaction(SIGINT, &sig_action, 0) != 0 ||
-		sigaction(SIGTERM, &sig_action, 0) != 0) {
+	if (sigaction(SIGINT, &sig_action, nullptr) != 0 ||
+		sigaction(SIGTERM, &sig_action, nullptr) != 0) {
 		close(sockets_[0]);
 		close(sockets_[1]);
 		return false;
@@ -53,7 +53,7 @@ bool SignalHandler::prepare_signals()
 }
 
 SignalHandler::SignalHandler(QObject* parent) : QObject(parent),
-	socket_notifier_(0)
+	socket_notifier_(nullptr)
 {
 	socket_notifier_ = new QSocketNotifier(sockets_[1],
 		QSocketNotifier::Read, this);
-- 
2.30.2