Codechange: Use null pointer literal instead of the NULL macro

This commit is contained in:
Henry Wilson
2019-04-10 22:07:06 +01:00
committed by Michael Lutz
parent 3b4f224c0b
commit 7c8e7c6b6e
463 changed files with 5674 additions and 5674 deletions

View File

@@ -72,7 +72,7 @@ public:
{
this->Clear();
free(this->data);
this->data = NULL;
this->data = nullptr;
}
protected:

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@@ -86,9 +86,9 @@ public:
/** move constructor - take ownership of blob data */
inline ByteBlob(BlobHeader * const & src)
{
assert(src != NULL);
assert(src != nullptr);
header = src;
*const_cast<BlobHeader**>(&src) = NULL;
*const_cast<BlobHeader**>(&src) = nullptr;
}
/** destructor */
@@ -221,7 +221,7 @@ public:
/** append new bytes at the end of existing data bytes - reallocates if necessary */
inline void AppendRaw(const void *p, size_t num_bytes)
{
assert(p != NULL);
assert(p != nullptr);
if (num_bytes > 0) {
memcpy(Append(num_bytes), p, num_bytes);
}
@@ -317,8 +317,8 @@ public:
OnTransfer(const OnTransfer& src) : header(src.header)
{
assert(src.header != NULL);
*const_cast<typename base::BlobHeader**>(&src.header) = NULL;
assert(src.header != nullptr);
*const_cast<typename base::BlobHeader**>(&src.header) = nullptr;
}
OnTransfer(CBlobT& src) : header(src.header)
@@ -328,7 +328,7 @@ public:
~OnTransfer()
{
assert(header == NULL);
assert(header == nullptr);
}
};

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@@ -34,8 +34,8 @@ protected:
Tcls *m_pT;
public:
/** default (NULL) construct or construct from a raw pointer */
inline CCountedPtr(Tcls *pObj = NULL) : m_pT(pObj)
/** default (nullptr) construct or construct from a raw pointer */
inline CCountedPtr(Tcls *pObj = nullptr) : m_pT(pObj)
{
AddRef();
}
@@ -56,16 +56,16 @@ protected:
/** add one ref to the underlaying object */
inline void AddRef()
{
if (m_pT != NULL) m_pT->AddRef();
if (m_pT != nullptr) m_pT->AddRef();
}
public:
/** release smart pointer (and decrement ref count) if not null */
inline void Release()
{
if (m_pT != NULL) {
if (m_pT != nullptr) {
Tcls *pT = m_pT;
m_pT = NULL;
m_pT = nullptr;
pT->Release();
}
}
@@ -73,21 +73,21 @@ public:
/** dereference of smart pointer - const way */
inline const Tcls *operator->() const
{
assert(m_pT != NULL);
assert(m_pT != nullptr);
return m_pT;
}
/** dereference of smart pointer - non const way */
inline Tcls *operator->()
{
assert(m_pT != NULL);
assert(m_pT != nullptr);
return m_pT;
}
/** raw pointer casting operator - const way */
inline operator const Tcls*() const
{
assert(m_pT == NULL);
assert(m_pT == nullptr);
return m_pT;
}
@@ -100,7 +100,7 @@ public:
/** operator & to support output arguments */
inline Tcls** operator&()
{
assert(m_pT == NULL);
assert(m_pT == nullptr);
return &m_pT;
}
@@ -121,16 +121,16 @@ public:
/** assignment operator helper */
inline void Assign(Tcls *pT);
/** one way how to test for NULL value */
/** one way how to test for nullptr value */
inline bool IsNull() const
{
return m_pT == NULL;
return m_pT == nullptr;
}
/** another way how to test for NULL value */
/** another way how to test for nullptr value */
//inline bool operator == (const CCountedPtr &sp) const {return m_pT == sp.m_pT;}
/** yet another way how to test for NULL value */
/** yet another way how to test for nullptr value */
//inline bool operator != (const CCountedPtr &sp) const {return m_pT != sp.m_pT;}
/** assign pointer w/o incrementing ref count */
@@ -144,7 +144,7 @@ public:
inline Tcls *Detach()
{
Tcls *pT = m_pT;
m_pT = NULL;
m_pT = nullptr;
return pT;
}
};
@@ -154,10 +154,10 @@ inline void CCountedPtr<Tcls_>::Assign(Tcls *pT)
{
/* if they are the same, we do nothing */
if (pT != m_pT) {
if (pT != NULL) pT->AddRef(); // AddRef new pointer if any
if (pT != nullptr) pT->AddRef(); // AddRef new pointer if any
Tcls *pTold = m_pT; // save original ptr
m_pT = pT; // update m_pT to new value
if (pTold != NULL) pTold->Release(); // release old ptr if any
if (pTold != nullptr) pTold->Release(); // release old ptr if any
}
}

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@@ -155,8 +155,8 @@ struct DumpTarget {
{
static size_t type_id = ++LastTypeId();
if (s == NULL) {
/* No need to dump NULL struct. */
if (s == nullptr) {
/* No need to dump nullptr struct. */
WriteLine("%s = <null>", name);
return;
}

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@@ -94,7 +94,7 @@ public:
Clear();
/* free the memory block occupied by items */
free(((byte*)data) - HeaderSize);
data = NULL;
data = nullptr;
}
/** Clear (destroy) all items */

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@@ -26,7 +26,7 @@ int GetOptData::GetOpt()
const OptionData *odata;
char *s = this->cont;
if (s == NULL) {
if (s == nullptr) {
if (this->numleft == 0) return -1; // No arguments left -> finished.
s = this->argv[0];
@@ -37,8 +37,8 @@ int GetOptData::GetOpt()
/* Is it a long option? */
for (odata = this->options; odata->flags != ODF_END; odata++) {
if (odata->longname != NULL && !strcmp(odata->longname, s)) { // Long options always use the entire argument.
this->cont = NULL;
if (odata->longname != nullptr && !strcmp(odata->longname, s)) { // Long options always use the entire argument.
this->cont = nullptr;
goto set_optval;
}
}
@@ -49,19 +49,19 @@ int GetOptData::GetOpt()
/* Is it a short option? */
for (odata = this->options; odata->flags != ODF_END; odata++) {
if (odata->shortname != '\0' && *s == odata->shortname) {
this->cont = (s[1] != '\0') ? s + 1 : NULL;
this->cont = (s[1] != '\0') ? s + 1 : nullptr;
set_optval: // Handle option value of *odata .
this->opt = NULL;
this->opt = nullptr;
switch (odata->flags) {
case ODF_NO_VALUE:
return odata->id;
case ODF_HAS_VALUE:
case ODF_OPTIONAL_VALUE:
if (this->cont != NULL) { // Remainder of the argument is the option value.
if (this->cont != nullptr) { // Remainder of the argument is the option value.
this->opt = this->cont;
this->cont = NULL;
this->cont = nullptr;
return odata->id;
}
/* No more arguments, either return an error or a value-less option. */

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@@ -25,12 +25,12 @@ struct OptionData {
byte id; ///< Unique identification of this option data, often the same as #shortname.
char shortname; ///< Short option letter if available, else use \c '\0'.
uint16 flags; ///< Option data flags. @see OptionDataFlags
const char *longname; ///< Long option name including '-'/'--' prefix, use \c NULL if not available.
const char *longname; ///< Long option name including '-'/'--' prefix, use \c nullptr if not available.
};
/** Data storage for parsing command line options. */
struct GetOptData {
char *opt; ///< Option value, if available (else \c NULL).
char *opt; ///< Option value, if available (else \c nullptr).
int numleft; ///< Number of arguments left in #argv.
char **argv; ///< Remaining command line arguments.
const OptionData *options; ///< Command line option descriptions.
@@ -43,11 +43,11 @@ struct GetOptData {
* @param options Command line option descriptions.
*/
GetOptData(int argc, char **argv, const OptionData *options) :
opt(NULL),
opt(nullptr),
numleft(argc),
argv(argv),
options(options),
cont(NULL)
cont(nullptr)
{
}
@@ -58,7 +58,7 @@ struct GetOptData {
* General macro for creating an option.
* @param id Identification of the option.
* @param shortname Short option name. Use \c '\0' if not used.
* @param longname Long option name including leading '-' or '--'. Use \c NULL if not used.
* @param longname Long option name including leading '-' or '--'. Use \c nullptr if not used.
* @param flags Flags of the option.
*/
#define GETOPT_GENERAL(id, shortname, longname, flags) { id, shortname, flags, longname }
@@ -66,21 +66,21 @@ struct GetOptData {
/**
* Short option without value.
* @param shortname Short option name. Use \c '\0' if not used.
* @param longname Long option name including leading '-' or '--'. Use \c NULL if not used.
* @param longname Long option name including leading '-' or '--'. Use \c nullptr if not used.
*/
#define GETOPT_NOVAL(shortname, longname) GETOPT_GENERAL(shortname, shortname, longname, ODF_NO_VALUE)
/**
* Short option with value.
* @param shortname Short option name. Use \c '\0' if not used.
* @param longname Long option name including leading '-' or '--'. Use \c NULL if not used.
* @param longname Long option name including leading '-' or '--'. Use \c nullptr if not used.
*/
#define GETOPT_VALUE(shortname, longname) GETOPT_GENERAL(shortname, shortname, longname, ODF_HAS_VALUE)
/**
* Short option with optional value.
* @param shortname Short option name. Use \c '\0' if not used.
* @param longname Long option name including leading '-' or '--'. Use \c NULL if not used.
* @param longname Long option name including leading '-' or '--'. Use \c nullptr if not used.
* @note Options with optional values are hopelessly ambiguous, eg "-opt -value", avoid them.
*/
#define GETOPT_OPTVAL(shortname, longname) GETOPT_GENERAL(shortname, shortname, longname, ODF_OPTIONAL_VALUE)
@@ -90,23 +90,23 @@ struct GetOptData {
* Short option without value.
* @param shortname Short option name. Use \c '\0' if not used.
*/
#define GETOPT_SHORT_NOVAL(shortname) GETOPT_NOVAL(shortname, NULL)
#define GETOPT_SHORT_NOVAL(shortname) GETOPT_NOVAL(shortname, nullptr)
/**
* Short option with value.
* @param shortname Short option name. Use \c '\0' if not used.
*/
#define GETOPT_SHORT_VALUE(shortname) GETOPT_VALUE(shortname, NULL)
#define GETOPT_SHORT_VALUE(shortname) GETOPT_VALUE(shortname, nullptr)
/**
* Short option with optional value.
* @param shortname Short option name. Use \c '\0' if not used.
* @note Options with optional values are hopelessly ambiguous, eg "-opt -value", avoid them.
*/
#define GETOPT_SHORT_OPTVAL(shortname) GETOPT_OPTVAL(shortname, NULL)
#define GETOPT_SHORT_OPTVAL(shortname) GETOPT_OPTVAL(shortname, nullptr)
/** Option terminator. */
#define GETOPT_END() { '\0', '\0', ODF_END, NULL}
#define GETOPT_END() { '\0', '\0', ODF_END, nullptr}
#endif /* GETOPTDATA_H */

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@@ -21,42 +21,42 @@ struct CHashTableSlotT
Titem_ *m_pFirst;
inline CHashTableSlotT() : m_pFirst(NULL) {}
inline CHashTableSlotT() : m_pFirst(nullptr) {}
/** hash table slot helper - clears the slot by simple forgetting its items */
inline void Clear()
{
m_pFirst = NULL;
m_pFirst = nullptr;
}
/** hash table slot helper - linear search for item with given key through the given blob - const version */
inline const Titem_ *Find(const Key &key) const
{
for (const Titem_ *pItem = m_pFirst; pItem != NULL; pItem = pItem->GetHashNext()) {
for (const Titem_ *pItem = m_pFirst; pItem != nullptr; pItem = pItem->GetHashNext()) {
if (pItem->GetKey() == key) {
/* we have found the item, return it */
return pItem;
}
}
return NULL;
return nullptr;
}
/** hash table slot helper - linear search for item with given key through the given blob - non-const version */
inline Titem_ *Find(const Key &key)
{
for (Titem_ *pItem = m_pFirst; pItem != NULL; pItem = pItem->GetHashNext()) {
for (Titem_ *pItem = m_pFirst; pItem != nullptr; pItem = pItem->GetHashNext()) {
if (pItem->GetKey() == key) {
/* we have found the item, return it */
return pItem;
}
}
return NULL;
return nullptr;
}
/** hash table slot helper - add new item to the slot */
inline void Attach(Titem_ &new_item)
{
assert(new_item.GetHashNext() == NULL);
assert(new_item.GetHashNext() == nullptr);
new_item.SetHashNext(m_pFirst);
m_pFirst = &new_item;
}
@@ -66,12 +66,12 @@ struct CHashTableSlotT
{
if (m_pFirst == &item_to_remove) {
m_pFirst = item_to_remove.GetHashNext();
item_to_remove.SetHashNext(NULL);
item_to_remove.SetHashNext(nullptr);
return true;
}
Titem_ *pItem = m_pFirst;
for (;;) {
if (pItem == NULL) {
if (pItem == nullptr) {
return false;
}
Titem_ *pNextItem = pItem->GetHashNext();
@@ -79,7 +79,7 @@ struct CHashTableSlotT
pItem = pNextItem;
}
pItem->SetHashNext(item_to_remove.GetHashNext());
item_to_remove.SetHashNext(NULL);
item_to_remove.SetHashNext(nullptr);
return true;
}
@@ -87,27 +87,27 @@ struct CHashTableSlotT
inline Titem_ *Detach(const Key &key)
{
/* do we have any items? */
if (m_pFirst == NULL) {
return NULL;
if (m_pFirst == nullptr) {
return nullptr;
}
/* is it our first item? */
if (m_pFirst->GetKey() == key) {
Titem_ &ret_item = *m_pFirst;
m_pFirst = m_pFirst->GetHashNext();
ret_item.SetHashNext(NULL);
ret_item.SetHashNext(nullptr);
return &ret_item;
}
/* find it in the following items */
Titem_ *pPrev = m_pFirst;
for (Titem_ *pItem = m_pFirst->GetHashNext(); pItem != NULL; pPrev = pItem, pItem = pItem->GetHashNext()) {
for (Titem_ *pItem = m_pFirst->GetHashNext(); pItem != nullptr; pPrev = pItem, pItem = pItem->GetHashNext()) {
if (pItem->GetKey() == key) {
/* we have found the item, unlink and return it */
pPrev->SetHashNext(pItem->GetHashNext());
pItem->SetHashNext(NULL);
pItem->SetHashNext(nullptr);
return pItem;
}
}
return NULL;
return nullptr;
}
};
@@ -211,7 +211,7 @@ public:
int hash = CalcHash(key);
Slot &slot = m_slots[hash];
Titem_ *item = slot.Detach(key);
if (item != NULL) {
if (item != nullptr) {
m_num_items--;
}
return item;
@@ -221,7 +221,7 @@ public:
Titem_& Pop(const Tkey &key)
{
Titem_ *item = TryPop(key);
assert(item != NULL);
assert(item != nullptr);
return *item;
}
@@ -250,7 +250,7 @@ public:
{
int hash = CalcHash(new_item);
Slot &slot = m_slots[hash];
assert(slot.Find(new_item.GetKey()) == NULL);
assert(slot.Find(new_item.GetKey()) == nullptr);
slot.Attach(new_item);
m_num_items++;
}