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Use nullptr instead of NULL in the code and documentation

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This is a combination of running clang-tidy with modernize-use-nullptr
check for some ports (GTK, X11, OSX) and manual changes to the ports for
which it couldn't be used easily (MSW, DFB) and also manually updating
the docs.

Also replace NULL with null or nullptr in the comments as this is more
consistent with the use of nullptr in the code and makes it simpler to
grep for the remaining occurrences of NULL itself.

And also use null in the assert messages.

Only a few occurrences of "NULL" are still left in non-C files, mostly
corresponding to unclear comments or string output which it might not be
safe to change.
This commit is contained in:
Vadim Zeitlin 2022-10-16 01:24:34 +02:00
parent 39ea524943
commit 4f4c5fcfdf
1844 changed files with 13721 additions and 13734 deletions
Download patch file Download diff file Expand all files Collapse all files

2
samples/html/about/about.cpp
View file

@ -114,7 +114,7 @@ bool MyApp::OnInit()
// frame constructor
MyFrame::MyFrame(const wxString& title)
: wxFrame((wxFrame *)NULL, wxID_ANY, title)
: wxFrame(nullptr, wxID_ANY, title)
{
SetIcon(wxICON(sample));

6
samples/html/help/help.cpp
View file

@ -139,7 +139,7 @@ bool MyApp::OnInit()
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size),
: wxFrame(nullptr, wxID_ANY, title, pos, size),
help(wxHF_DEFAULT_STYLE | wxHF_OPEN_FILES)
{
SetIcon(wxICON(sample));
@ -192,11 +192,11 @@ void MyFrame::OnClose(wxCloseEvent& event)
{
// Close the help frame; this will cause the config data to
// get written.
if ( help.GetFrame() ) // returns NULL if no help frame active
if ( help.GetFrame() ) // returns nullptr if no help frame active
help.GetFrame()->Close(true);
// now we can safely delete the config pointer
event.Skip();
delete wxConfig::Set(NULL);
delete wxConfig::Set(nullptr);
}

2
samples/html/helpview/helpview.cpp
View file

@ -84,7 +84,7 @@ bool MyApp::OnInit()
int MyApp::OnExit()
{
delete help;
delete wxConfig::Set(NULL);
delete wxConfig::Set(nullptr);
return 0;
}

2
samples/html/printing/printing.cpp
View file

@ -164,7 +164,7 @@ bool MyApp::OnInit()
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
: wxFrame(nullptr, wxID_ANY, title, pos, size)
{
SetIcon(wxICON(sample));

4
samples/html/test/test.cpp
View file

@ -199,7 +199,7 @@ bool MyApp::OnInit()
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size,
: wxFrame(nullptr, wxID_ANY, title, pos, size,
wxDEFAULT_FRAME_STYLE, "html_test_app")
{
// create a menu bar
@ -272,7 +272,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
m_Html->WriteCustomization(wxConfig::Get());
delete wxConfig::Set(NULL);
delete wxConfig::Set(nullptr);
// true is to force the frame to close
Close(true);

2
samples/html/virtual/virtual.cpp
View file

@ -184,7 +184,7 @@ wxHtmlWindow *html;
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
: wxFrame(nullptr, wxID_ANY, title, pos, size)
{
SetIcon(wxICON(sample));

2
samples/html/widget/widget.cpp
View file

@ -175,7 +175,7 @@ wxHtmlWindow *html;
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
: wxFrame(nullptr, wxID_ANY, title, pos, size)
{
SetIcon(wxICON(sample));

2
samples/html/zip/zip.cpp
View file

@ -137,7 +137,7 @@ wxHtmlWindow *html;
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
: wxFrame(nullptr, wxID_ANY, title, pos, size)
{
SetIcon(wxICON(sample));