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src: refactor to nullptr #25888

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src: refactor to nullptr #25888

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7 changes: 4 additions & 3 deletions src/cares_wrap.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -395,7 +395,7 @@ void safe_free_hostent(struct hostent* host) {
free(host->h_addr_list[idx++]);
}
free(host->h_addr_list);
host->h_addr_list = 0;
host->h_addr_list = nullptr;
}

if (host->h_aliases != nullptr) {
Expand All @@ -404,7 +404,7 @@ void safe_free_hostent(struct hostent* host) {
free(host->h_aliases[idx++]);
}
free(host->h_aliases);
host->h_aliases = 0;
host->h_aliases = nullptr;
}

if (host->h_name != nullptr) {
Expand Down Expand Up @@ -1914,7 +1914,8 @@ void AfterGetNameInfo(uv_getnameinfo_t* req,
req_wrap->MakeCallback(env->oncomplete_string(), arraysize(argv), argv);
}

using ParseIPResult = decltype(static_cast<ares_addr_port_node*>(0)->addr);
using ParseIPResult =
decltype(static_cast<ares_addr_port_node*>(nullptr)->addr);

int ParseIP(const char* ip, ParseIPResult* result = nullptr) {
ParseIPResult tmp;
Expand Down
3 changes: 2 additions & 1 deletion src/debug_utils.cc
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Expand Up @@ -66,7 +66,8 @@ class PosixSymbolDebuggingContext final : public NativeSymbolDebuggingContext {
return ret;

if (info.dli_sname != nullptr) {
if (char* demangled = abi::__cxa_demangle(info.dli_sname, 0, 0, 0)) {
if (char* demangled =
abi::__cxa_demangle(info.dli_sname, nullptr, nullptr, nullptr)) {
ret.name = demangled;
free(demangled);
} else {
Expand Down
6 changes: 4 additions & 2 deletions src/node.h
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Expand Up @@ -562,13 +562,15 @@ extern "C" NODE_EXTERN void node_module_register(void* mod);
/* Called after the event loop exits but before the VM is disposed.
* Callbacks are run in reverse order of registration, i.e. newest first.
*/
NODE_EXTERN void AtExit(void (*cb)(void* arg), void* arg = 0);
NODE_EXTERN void AtExit(void (*cb)(void* arg), void* arg = nullptr);
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Anyone know is this has any chance of effecting the ecosystem?

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We already use nullptr elsewhere in this file, so I think this should be okay.


/* Registers a callback with the passed-in Environment instance. The callback
* is called after the event loop exits, but before the VM is disposed.
* Callbacks are run in reverse order of registration, i.e. newest first.
*/
NODE_EXTERN void AtExit(Environment* env, void (*cb)(void* arg), void* arg = 0);
NODE_EXTERN void AtExit(Environment* env,
void (*cb)(void* arg),
void* arg = nullptr);

typedef void (*promise_hook_func) (v8::PromiseHookType type,
v8::Local<v8::Promise> promise,
Expand Down
10 changes: 6 additions & 4 deletions src/node_crypto.cc
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Expand Up @@ -4827,7 +4827,7 @@ void DiffieHellman::Initialize(Environment* env, Local<Object> target) {

bool DiffieHellman::Init(int primeLength, int g) {
dh_.reset(DH_new());
if (!DH_generate_parameters_ex(dh_.get(), primeLength, g, 0))
if (!DH_generate_parameters_ex(dh_.get(), primeLength, g, nullptr))
return false;
return VerifyContext();
}
Expand All @@ -4850,8 +4850,10 @@ bool DiffieHellman::Init(const char* p, int p_len, int g) {

bool DiffieHellman::Init(const char* p, int p_len, const char* g, int g_len) {
dh_.reset(DH_new());
BIGNUM* bn_p = BN_bin2bn(reinterpret_cast<const unsigned char*>(p), p_len, 0);
BIGNUM* bn_g = BN_bin2bn(reinterpret_cast<const unsigned char*>(g), g_len, 0);
BIGNUM* bn_p =
BN_bin2bn(reinterpret_cast<const unsigned char*>(p), p_len, nullptr);
BIGNUM* bn_g =
BN_bin2bn(reinterpret_cast<const unsigned char*>(g), g_len, nullptr);
if (!DH_set0_pqg(dh_.get(), bn_p, nullptr, bn_g)) {
BN_free(bn_p);
BN_free(bn_g);
Expand Down Expand Up @@ -5019,7 +5021,7 @@ void DiffieHellman::ComputeSecret(const FunctionCallbackInfo<Value>& args) {
BignumPointer key(BN_bin2bn(
reinterpret_cast<unsigned char*>(Buffer::Data(args[0])),
Buffer::Length(args[0]),
0));
nullptr));

MallocedBuffer<char> data(DH_size(diffieHellman->dh_.get()));

Expand Down
2 changes: 1 addition & 1 deletion src/util-inl.h
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Expand Up @@ -143,7 +143,7 @@ typename ListHead<T, M>::Iterator ListHead<T, M>::end() const {

template <typename Inner, typename Outer>
constexpr uintptr_t OffsetOf(Inner Outer::*field) {
return reinterpret_cast<uintptr_t>(&(static_cast<Outer*>(0)->*field));
return reinterpret_cast<uintptr_t>(&(static_cast<Outer*>(nullptr)->*field));
}

template <typename Inner, typename Outer>
Expand Down
2 changes: 1 addition & 1 deletion src/util.cc
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Expand Up @@ -48,7 +48,7 @@ static void MakeUtf8String(Isolate* isolate,
const int flags =
String::NO_NULL_TERMINATION | String::REPLACE_INVALID_UTF8;
const int length =
string->WriteUtf8(isolate, target->out(), storage, 0, flags);
string->WriteUtf8(isolate, target->out(), storage, nullptr, flags);
target->SetLengthAndZeroTerminate(length);
}

Expand Down