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Eliminate -Wzero-as-null-pointer-constant warnings in the headers

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This commit is contained in:
Paul Cornett
2020-02-02 23:40:01 -08:00
parent 948ddc6e0f
commit 05183b7099
22 changed files with 59 additions and 59 deletions
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2
include/wx/dataview.h
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@@ -709,7 +709,7 @@ public:
wxDataViewItem GetCurrentItem() const;
void SetCurrentItem(const wxDataViewItem& item);
virtual wxDataViewItem GetTopItem() const { return wxDataViewItem(0); }
virtual wxDataViewItem GetTopItem() const { return wxDataViewItem(NULL); }
virtual int GetCountPerPage() const { return wxNOT_FOUND; }
// Currently focused column of the current item or NULL if no column has focus

2
include/wx/dc.h
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@@ -1327,7 +1327,7 @@ public:
: m_dc(thdc.m_dc),
m_hdc(thdc.m_hdc)
{
const_cast<TempHDC&>(thdc).m_hdc = 0;
const_cast<TempHDC&>(thdc).m_hdc = NULL;
}
~TempHDC()

12
include/wx/dynlib.h
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@@ -231,9 +231,9 @@ public:
// return the platform standard DLL extension (with leading dot)
static wxString GetDllExt(wxDynamicLibraryCategory cat = wxDL_LIBRARY);
wxDynamicLibrary() : m_handle(0) { }
wxDynamicLibrary() : m_handle(NULL) { }
wxDynamicLibrary(const wxString& libname, int flags = wxDL_DEFAULT)
: m_handle(0)
: m_handle(NULL)
{
Load(libname, flags);
}
@@ -243,7 +243,7 @@ public:
~wxDynamicLibrary() { Unload(); }
// return true if the library was loaded successfully
bool IsLoaded() const { return m_handle != 0; }
bool IsLoaded() const { return m_handle != NULL; }
// load the library with the given name (full or not), return true if ok
bool Load(const wxString& libname, int flags = wxDL_DEFAULT);
@@ -256,13 +256,13 @@ public:
// detach the library object from its handle, i.e. prevent the object from
// unloading the library in its dtor -- the caller is now responsible for
// doing this
wxDllType Detach() { wxDllType h = m_handle; m_handle = 0; return h; }
wxDllType Detach() { wxDllType h = m_handle; m_handle = NULL; return h; }
// unload the given library handle (presumably returned by Detach() before)
static void Unload(wxDllType handle);
// unload the library, also done automatically in dtor
void Unload() { if ( IsLoaded() ) { Unload(m_handle); m_handle = 0; } }
void Unload() { if ( IsLoaded() ) { Unload(m_handle); m_handle = NULL; } }
// Return the raw handle from dlopen and friends.
wxDllType GetLibHandle() const { return m_handle; }
@@ -363,7 +363,7 @@ public:
protected:
// common part of GetSymbol() and HasSymbol()
void *DoGetSymbol(const wxString& name, bool *success = 0) const;
void* DoGetSymbol(const wxString& name, bool* success = NULL) const;
#ifdef wxHAVE_DYNLIB_ERROR
// log the error after a dlxxx() function failure

2
include/wx/dynload.h
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@@ -123,7 +123,7 @@ public:
void Unload();
bool IsLoaded() const { return m_entry && m_entry->IsLoaded(); }
void *GetSymbol(const wxString &symbol, bool *success = 0)
void* GetSymbol(const wxString& symbol, bool* success = NULL)
{
return m_entry->GetSymbol( symbol, success );
}

2
include/wx/event.h
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@@ -91,7 +91,7 @@ typedef int wxEventType;
wxEventTableEntry(type, winid, idLast, wxNewEventTableFunctor(type, fn), obj)
#define wxDECLARE_EVENT_TABLE_TERMINATOR() \
wxEventTableEntry(wxEVT_NULL, 0, 0, 0, 0)
wxEventTableEntry(wxEVT_NULL, 0, 0, NULL, NULL)
// generate a new unique event type
extern WXDLLIMPEXP_BASE wxEventType wxNewEventType();

2
include/wx/gdiobj.h
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@@ -66,7 +66,7 @@ public:
virtual bool IsFree() const { return false; }
// Returns handle.
virtual WXHANDLE GetResourceHandle() const { return 0; }
virtual WXHANDLE GetResourceHandle() const { return NULL; }
#endif // defined(__WXMSW__)
protected:

2
include/wx/html/htmprint.h
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@@ -257,7 +257,7 @@ public:
// pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
// You can set different header/footer for odd and even pages
void SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes = 0);
void SetFonts(const wxString& normal_face, const wxString& fixed_face, const int* sizes = NULL);
// Sets fonts to be used when displaying HTML page. (if size null then default sizes used)
// Sets font sizes to be relative to the given size or the system

10
include/wx/msw/dib.h
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@@ -73,11 +73,11 @@ public:
// create a bitmap compatible with the given HDC (or screen by default) and
// return its handle, the caller is responsible for freeing it (using
// DeleteObject())
HBITMAP CreateDDB(HDC hdc = 0) const;
HBITMAP CreateDDB(HDC hdc = NULL) const;
// get the handle from the DIB and reset it, i.e. this object won't destroy
// the DIB after this (but the caller should do it)
HBITMAP Detach() { HBITMAP hbmp = m_handle; m_handle = 0; return hbmp; }
HBITMAP Detach() { HBITMAP hbmp = m_handle; m_handle = NULL; return hbmp; }
#if defined(__WXMSW__) && wxUSE_PALETTE
// create a palette for this DIB (always a trivial/default one for 24bpp)
@@ -92,7 +92,7 @@ public:
// ---------
// return true if DIB was successfully created, false otherwise
bool IsOk() const { return m_handle != 0; }
bool IsOk() const { return m_handle != NULL; }
// get the bitmap size
wxSize GetSize() const { DoGetObject(); return wxSize(m_width, m_height); }
@@ -121,7 +121,7 @@ public:
// a plain DIB or a DIB section (in which case the last parameter must be
// non NULL)
static HBITMAP ConvertToBitmap(const BITMAPINFO *pbi,
HDC hdc = 0,
HDC hdc = NULL,
const void *bits = NULL);
// create a plain DIB (not a DIB section) from a DDB, the caller is
@@ -242,7 +242,7 @@ private:
inline
void wxDIB::Init()
{
m_handle = 0;
m_handle = NULL;
m_ownsHandle = true;
m_data = NULL;

4
include/wx/msw/enhmeta.h
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@@ -43,7 +43,7 @@ public:
bool Play(wxDC *dc, wxRect *rectBound = NULL);
// accessors
virtual bool IsOk() const wxOVERRIDE { return m_hMF != 0; }
virtual bool IsOk() const wxOVERRIDE { return m_hMF != NULL; }
wxSize GetSize() const;
int GetWidth() const { return GetSize().x; }
@@ -59,7 +59,7 @@ public:
// Detach the HENHMETAFILE from this object, i.e. don't delete the handle
// in the dtor -- the caller is now responsible for doing this, e.g. using
// Free() method below.
WXHANDLE Detach() { WXHANDLE h = m_hMF; m_hMF = 0; return h; }
WXHANDLE Detach() { WXHANDLE h = m_hMF; m_hMF = NULL; return h; }
// Destroy the given HENHMETAFILE object.
static void Free(WXHANDLE handle);

4
include/wx/msw/font.h
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@@ -65,7 +65,7 @@ public:
underlined, face, encoding);
}
wxFont(const wxNativeFontInfo& info, WXHFONT hFont = 0)
wxFont(const wxNativeFontInfo& info, WXHFONT hFont = NULL)
{
Create(info, hFont);
}
@@ -90,7 +90,7 @@ public:
encoding));
}
bool Create(const wxNativeFontInfo& info, WXHFONT hFont = 0);
bool Create(const wxNativeFontInfo& info, WXHFONT hFont = NULL);
virtual ~wxFont();

6
include/wx/msw/gdiimage.h
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@@ -36,7 +36,7 @@ public:
{
m_width = m_height = m_depth = 0;
m_handle = 0;
m_handle = NULL;
}
wxGDIImageRefData(const wxGDIImageRefData& data) : wxGDIRefData()
@@ -50,7 +50,7 @@ public:
}
// accessors
virtual bool IsOk() const wxOVERRIDE { return m_handle != 0; }
virtual bool IsOk() const wxOVERRIDE { return m_handle != NULL; }
void SetSize(int w, int h) { m_width = w; m_height = h; }
@@ -104,7 +104,7 @@ public:
// accessors
WXHANDLE GetHandle() const
{ return IsNull() ? 0 : GetGDIImageData()->m_handle; }
{ return IsNull() ? NULL : GetGDIImageData()->m_handle; }
void SetHandle(WXHANDLE handle)
{ AllocExclusive(); GetGDIImageData()->m_handle = handle; }

2
include/wx/msw/ole/automtn.h
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@@ -67,7 +67,7 @@ public:
// Low-level invocation function. Pass either an array of variants,
// or an array of pointers to variants.
bool Invoke(const wxString& member, int action,
wxVariant& retValue, int noArgs, wxVariant args[], const wxVariant* ptrArgs[] = 0) const;
wxVariant& retValue, int noArgs, wxVariant args[], const wxVariant* ptrArgs[] = NULL) const;
// Invoke a member function
wxVariant CallMethod(const wxString& method, int noArgs, wxVariant args[]);

9
include/wx/msw/private.h
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@@ -162,7 +162,8 @@ protected:
// implicitly convertible to HANDLE, which is a pointer.
static HANDLE InvalidHandle()
{
return reinterpret_cast<HANDLE>(INVALID_VALUE);
wxUIntPtr h = INVALID_VALUE;
return reinterpret_cast<HANDLE>(h);
}
void DoClose()
@@ -449,7 +450,7 @@ private:
class MemoryHDC
{
public:
MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); }
MemoryHDC(HDC hdc = NULL) { m_hdc = ::CreateCompatibleDC(hdc); }
~MemoryHDC() { ::DeleteDC(m_hdc); }
operator HDC() const { return m_hdc; }
@@ -483,7 +484,7 @@ public:
~SelectInHDC() { if ( m_hdc ) ::SelectObject(m_hdc, m_hgdiobj); }
// return true if the object was successfully selected
operator bool() const { return m_hgdiobj != 0; }
operator bool() const { return m_hgdiobj != NULL; }
private:
HDC m_hdc;
@@ -578,7 +579,7 @@ class MonoBitmap : public AutoHBITMAP
{
public:
MonoBitmap(int w, int h)
: AutoHBITMAP(::CreateBitmap(w, h, 1, 1, 0))
: AutoHBITMAP(::CreateBitmap(w, h, 1, 1, NULL))
{
}
};

2
include/wx/msw/registry.h
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@@ -136,7 +136,7 @@ public:
size_t *pnValues, // number of values
size_t *pnMaxValueLen) const;
// return true if the key is opened
bool IsOpened() const { return m_hKey != 0; }
bool IsOpened() const { return m_hKey != NULL; }
// for "if ( !key ) wxLogError(...)" kind of expressions
operator bool() const { return m_dwLastError == 0; }

2
include/wx/msw/window.h
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@@ -453,7 +453,7 @@ public:
// The brush returned from here must remain valid at least until the next
// event loop iteration. Returning 0, as is done by default, indicates
// there is no custom background brush.
virtual WXHBRUSH MSWGetCustomBgBrush() { return 0; }
virtual WXHBRUSH MSWGetCustomBgBrush() { return NULL; }
// this function should return the brush to paint the children controls
// background or 0 if this window doesn't impose any particular background

2
include/wx/object.h
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@@ -150,7 +150,7 @@ name##PluginSentinel m_pluginsentinel
// The 'this' pointer is always true, so use this version
// to cast the this pointer and avoid compiler warnings.
#define wxDynamicCastThis(className) \
(IsKindOf(&className::ms_classInfo) ? (className *)(this) : (className *)0)
(IsKindOf(&className::ms_classInfo) ? (className*)this : NULL)
template <class T>
inline T *wxCheckCast(const void *ptr)

4
include/wx/quantize.h
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@@ -52,13 +52,13 @@ public:
// If you pass a palette pointer, you must free the palette yourself.
static bool Quantize(const wxImage& src, wxImage& dest, wxPalette** pPalette, int desiredNoColours = 236,
unsigned char** eightBitData = 0, int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS|wxQUANTIZE_FILL_DESTINATION_IMAGE|wxQUANTIZE_RETURN_8BIT_DATA);
unsigned char** eightBitData = NULL, int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS|wxQUANTIZE_FILL_DESTINATION_IMAGE|wxQUANTIZE_RETURN_8BIT_DATA);
// This version sets a palette in the destination image so you don't
// have to manage it yourself.
static bool Quantize(const wxImage& src, wxImage& dest, int desiredNoColours = 236,
unsigned char** eightBitData = 0, int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS|wxQUANTIZE_FILL_DESTINATION_IMAGE|wxQUANTIZE_RETURN_8BIT_DATA);
unsigned char** eightBitData = NULL, int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS|wxQUANTIZE_FILL_DESTINATION_IMAGE|wxQUANTIZE_RETURN_8BIT_DATA);
//// Helpers

2
include/wx/rtti.h
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@@ -62,7 +62,7 @@ public:
~wxClassInfo();
wxObject *CreateObject() const
{ return m_objectConstructor ? (*m_objectConstructor)() : 0; }
{ return m_objectConstructor ? (*m_objectConstructor)() : NULL; }
bool IsDynamic() const { return (NULL != m_objectConstructor); }
const wxChar *GetClassName() const { return m_className; }

2
include/wx/thread.h
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@@ -598,7 +598,7 @@ public:
protected:
// exits from the current thread - can be called only from this thread
void Exit(ExitCode exitcode = 0);
void Exit(ExitCode exitcode = NULL);
// entry point for the thread - called by Run() and executes in the context
// of this thread.

2
include/wx/translation.h
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@@ -247,7 +247,7 @@ protected:
virtual wxString GetResourceType() const { return "MOFILE"; }
// returns module to load resources from
virtual WXHINSTANCE GetModule() const { return 0; }
virtual WXHINSTANCE GetModule() const { return NULL; }
};
#endif // __WINDOWS__

4
include/wx/utils.h
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@@ -840,7 +840,7 @@ WXDLLIMPEXP_CORE bool wxYieldIfNeeded();
size_t *outLen,
const wxString& resourceName,
const wxChar* resourceType = wxUserResourceStr,
WXHINSTANCE module = 0);
WXHINSTANCE module = NULL);
// This function allocates a new buffer and makes a copy of the resource
// data, remember to delete[] the buffer. And avoid using it entirely if
@@ -851,7 +851,7 @@ WXDLLIMPEXP_CORE bool wxYieldIfNeeded();
wxLoadUserResource(const wxString& resourceName,
const wxChar* resourceType = wxUserResourceStr,
int* pLen = NULL,
WXHINSTANCE module = 0);
WXHINSTANCE module = NULL);
#endif // __WINDOWS__
#endif

23
include/wx/wxcrt.h
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@@ -858,21 +858,20 @@ template<> struct wxStrtoxCharType<std::nullptr_t>
template<typename T>
inline double wxStrtod(const wxString& nptr, T endptr)
{
// Explicit comparison with 0 required when using T=nullptr with MSVS 2012.
if (endptr != 0)
if (!endptr)
{
// when we don't care about endptr, use the string representation that
// doesn't require any conversion (it doesn't matter for this function
// even if its UTF-8):
wxStringCharType** p = NULL;
return wxStrtod(nptr.wx_str(), p);
}
// note that it is important to use c_str() here and not mb_str() or
// wc_str(), because we store the pointer into (possibly converted)
// buffer in endptr and so it must be valid even when wxStrtod() returns
typedef typename wxStrtoxCharType<T>::Type CharType;
return wxStrtod((CharType)nptr.c_str(),
wxStrtoxCharType<T>::AsPointer(endptr));
}
// when we don't care about endptr, use the string representation that
// doesn't require any conversion (it doesn't matter for this function
// even if its UTF-8):
wxStringCharType** p = NULL;
return wxStrtod(nptr.wx_str(), p);
}
template<typename T>
inline double wxStrtod(const wxCStrData& nptr, T endptr)
@@ -891,16 +890,16 @@ inline double wxStrtod(const wxCStrData& nptr, T endptr)
template<typename T> \
inline rettype name(const wxString& nptr, T endptr, int base) \
{ \
if (endptr) \
if (!endptr) \
{ \
wxStringCharType** p = NULL; \
return name(nptr.wx_str(), p, base); \
} \
typedef typename wxStrtoxCharType<T>::Type CharType; \
return name((CharType)nptr.c_str(), \
wxStrtoxCharType<T>::AsPointer(endptr), \
base); \
} \
wxStringCharType** p = NULL; \
return name(nptr.wx_str(), p, base); \
} \
template<typename T> \
inline rettype name(const wxCStrData& nptr, T endptr, int base) \
{ return name(nptr.AsString(), endptr, base); }