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Document the preference of nullptr over NULL or (void*)0

0.16
practicalswift 7 years ago
parent
commit
bea8e9e66e
  1. 3
      doc/developer-notes.md
  2. 8
      src/qt/macdockiconhandler.mm
  3. 2
      src/qt/macnotificationhandler.mm
  4. 2
      src/random.cpp

3
doc/developer-notes.md

@ -37,6 +37,7 @@ code. @@ -37,6 +37,7 @@ code.
- **Miscellaneous**
- `++i` is preferred over `i++`.
- `nullptr` is preferred over `NULL` or `(void*)0`.
- `static_assert` is preferred over `assert` where possible. Generally; compile-time checking is preferred over run-time checking.
Block style example:
@ -276,7 +277,7 @@ Wallet @@ -276,7 +277,7 @@ Wallet
- *Rationale*: In RPC code that conditionally uses the wallet (such as
`validateaddress`) it is easy to forget that global pointer `pwalletMain`
can be NULL. See `test/functional/disablewallet.py` for functional tests
can be nullptr. See `test/functional/disablewallet.py` for functional tests
exercising the API with `-disablewallet`
- Include `db_cxx.h` (BerkeleyDB header) only when `ENABLE_WALLET` is set

8
src/qt/macdockiconhandler.mm

@ -18,7 +18,7 @@ @@ -18,7 +18,7 @@
extern void qt_mac_set_dock_menu(QMenu *);
#endif
static MacDockIconHandler *s_instance = NULL;
static MacDockIconHandler *s_instance = nullptr;
bool dockClickHandler(id self,SEL _cmd,...) {
Q_UNUSED(self)
@ -34,7 +34,7 @@ void setupDockClickHandler() { @@ -34,7 +34,7 @@ void setupDockClickHandler() {
Class cls = objc_getClass("NSApplication");
id appInst = objc_msgSend((id)cls, sel_registerName("sharedApplication"));
if (appInst != NULL) {
if (appInst != nullptr) {
id delegate = objc_msgSend(appInst, sel_registerName("delegate"));
Class delClass = (Class)objc_msgSend(delegate, sel_registerName("class"));
SEL shouldHandle = sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");
@ -53,7 +53,7 @@ MacDockIconHandler::MacDockIconHandler() : QObject() @@ -53,7 +53,7 @@ MacDockIconHandler::MacDockIconHandler() : QObject()
setupDockClickHandler();
this->m_dummyWidget = new QWidget();
this->m_dockMenu = new QMenu(this->m_dummyWidget);
this->setMainWindow(NULL);
this->setMainWindow(nullptr);
#if QT_VERSION < 0x050000
qt_mac_set_dock_menu(this->m_dockMenu);
#elif QT_VERSION >= 0x050200
@ -69,7 +69,7 @@ void MacDockIconHandler::setMainWindow(QMainWindow *window) { @@ -69,7 +69,7 @@ void MacDockIconHandler::setMainWindow(QMainWindow *window) {
MacDockIconHandler::~MacDockIconHandler()
{
delete this->m_dummyWidget;
this->setMainWindow(NULL);
this->setMainWindow(nullptr);
}
QMenu *MacDockIconHandler::dockMenu()

2
src/qt/macnotificationhandler.mm

@ -75,7 +75,7 @@ bool MacNotificationHandler::hasUserNotificationCenterSupport(void) @@ -75,7 +75,7 @@ bool MacNotificationHandler::hasUserNotificationCenterSupport(void)
MacNotificationHandler *MacNotificationHandler::instance()
{
static MacNotificationHandler *s_instance = NULL;
static MacNotificationHandler *s_instance = nullptr;
if (!s_instance) {
s_instance = new MacNotificationHandler();

2
src/random.cpp

@ -242,7 +242,7 @@ void GetOSRand(unsigned char *ent32) @@ -242,7 +242,7 @@ void GetOSRand(unsigned char *ent32)
}
#elif defined(HAVE_GETENTROPY_RAND) && defined(MAC_OSX)
// We need a fallback for OSX < 10.12
if (&getentropy != NULL) {
if (&getentropy != nullptr) {
if (getentropy(ent32, NUM_OS_RANDOM_BYTES) != 0) {
RandFailure();
}

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