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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_file-inl.h	Lines:	150	157	95.5 %
Date:	2022-09-11 04:22:34	Branches:	27	38	71.1 %


#ifndef SRC_NODE_FILE_INL_H_
#define SRC_NODE_FILE_INL_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_file.h"
#include "req_wrap-inl.h"

namespace node {
namespace fs {

FSContinuationData::FSContinuationData(uv_fs_t* req, int mode, uv_fs_cb done_cb)
  : done_cb_(done_cb), req_(req), mode_(mode) {
}

void FSContinuationData::PushPath(std::string&& path) {
  paths_.emplace_back(std::move(path));
}

void FSContinuationData::PushPath(const std::string& path) {
  paths_.push_back(path);
}

void FSContinuationData::MaybeSetFirstPath(const std::string& path) {
  if (first_path_.empty()) {
    first_path_ = path;
  }
}

std::string FSContinuationData::PopPath() {
  CHECK(!paths_.empty());
  std::string path = std::move(paths_.back());
  paths_.pop_back();
  return path;
}

void FSContinuationData::Done(int result) {
  req_->result = result;
  done_cb_(req_);
}

FSReqBase::FSReqBase(BindingData* binding_data,
                     v8::Local<v8::Object> req,
                     AsyncWrap::ProviderType type,
                     bool use_bigint)
  : ReqWrap(binding_data->env(), req, type),
    use_bigint_(use_bigint),
    binding_data_(binding_data) {
}

void FSReqBase::Init(const char* syscall,
                     const char* data,
                     size_t len,
                     enum encoding encoding) {
  syscall_ = syscall;
  encoding_ = encoding;

  if (data != nullptr) {
    CHECK(!has_data_);
    buffer_.AllocateSufficientStorage(len + 1);
    buffer_.SetLengthAndZeroTerminate(len);
    memcpy(*buffer_, data, len);
    has_data_ = true;
  }
}

FSReqBase::FSReqBuffer&
FSReqBase::Init(const char* syscall, size_t len, enum encoding encoding) {
  syscall_ = syscall;
  encoding_ = encoding;

  buffer_.AllocateSufficientStorage(len + 1);
  has_data_ = false;  // so that the data does not show up in error messages
  return buffer_;
}

FSReqCallback::FSReqCallback(BindingData* binding_data,
                             v8::Local<v8::Object> req,
                             bool use_bigint)
  : FSReqBase(binding_data,
              req,
              AsyncWrap::PROVIDER_FSREQCALLBACK,
              use_bigint) {}

template <typename NativeT, typename V8T>
void FillStatsArray(AliasedBufferBase<NativeT, V8T>* fields,
                    const uv_stat_t* s,
                    const size_t offset) {
#define SET_FIELD_WITH_STAT(stat_offset, stat)                                 \
  fields->SetValue(offset + static_cast<size_t>(FsStatsOffset::stat_offset),   \
                   static_cast<NativeT>(stat))

// On win32, time is stored in uint64_t and starts from 1601-01-01.
// libuv calculates tv_sec and tv_nsec from it and converts to signed long,
// which causes Y2038 overflow. On the other platforms it is safe to treat
// negative values as pre-epoch time.
#ifdef _WIN32
#define SET_FIELD_WITH_TIME_STAT(stat_offset, stat)                            \
  /* NOLINTNEXTLINE(runtime/int) */                                            \
  SET_FIELD_WITH_STAT(stat_offset, static_cast<unsigned long>(stat))
#else
#define SET_FIELD_WITH_TIME_STAT(stat_offset, stat)                            \
  SET_FIELD_WITH_STAT(stat_offset, static_cast<double>(stat))
#endif  // _WIN32

  SET_FIELD_WITH_STAT(kDev, s->st_dev);
  SET_FIELD_WITH_STAT(kMode, s->st_mode);
  SET_FIELD_WITH_STAT(kNlink, s->st_nlink);
  SET_FIELD_WITH_STAT(kUid, s->st_uid);
  SET_FIELD_WITH_STAT(kGid, s->st_gid);
  SET_FIELD_WITH_STAT(kRdev, s->st_rdev);
  SET_FIELD_WITH_STAT(kBlkSize, s->st_blksize);
  SET_FIELD_WITH_STAT(kIno, s->st_ino);
  SET_FIELD_WITH_STAT(kSize, s->st_size);
  SET_FIELD_WITH_STAT(kBlocks, s->st_blocks);

  SET_FIELD_WITH_TIME_STAT(kATimeSec, s->st_atim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kATimeNsec, s->st_atim.tv_nsec);
  SET_FIELD_WITH_TIME_STAT(kMTimeSec, s->st_mtim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kMTimeNsec, s->st_mtim.tv_nsec);
  SET_FIELD_WITH_TIME_STAT(kCTimeSec, s->st_ctim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kCTimeNsec, s->st_ctim.tv_nsec);
  SET_FIELD_WITH_TIME_STAT(kBirthTimeSec, s->st_birthtim.tv_sec);
  SET_FIELD_WITH_TIME_STAT(kBirthTimeNsec, s->st_birthtim.tv_nsec);

#undef SET_FIELD_WITH_TIME_STAT
#undef SET_FIELD_WITH_STAT
}

v8::Local<v8::Value> FillGlobalStatsArray(BindingData* binding_data,
                                          const bool use_bigint,
                                          const uv_stat_t* s,
                                          const bool second) {
  const ptrdiff_t offset =
      second ? static_cast<ptrdiff_t>(FsStatsOffset::kFsStatsFieldsNumber) : 0;
  if (use_bigint) {
    auto* const arr = &binding_data->stats_field_bigint_array;
    FillStatsArray(arr, s, offset);
    return arr->GetJSArray();
  } else {
    auto* const arr = &binding_data->stats_field_array;
    FillStatsArray(arr, s, offset);
    return arr->GetJSArray();
  }
}

template <typename AliasedBufferT>
FSReqPromise<AliasedBufferT>*
FSReqPromise<AliasedBufferT>::New(BindingData* binding_data,
                                  bool use_bigint) {
  Environment* env = binding_data->env();
  v8::Local<v8::Object> obj;
  if (!env->fsreqpromise_constructor_template()
           ->NewInstance(env->context())
           .ToLocal(&obj)) {
    return nullptr;
  }
  v8::Local<v8::Promise::Resolver> resolver;
  if (!v8::Promise::Resolver::New(env->context()).ToLocal(&resolver) ||
      obj->Set(env->context(), env->promise_string(), resolver).IsNothing()) {
    return nullptr;
  }
  return new FSReqPromise(binding_data, obj, use_bigint);
}

template <typename AliasedBufferT>
FSReqPromise<AliasedBufferT>::~FSReqPromise() {
  // Validate that the promise was explicitly resolved or rejected but only if
  // the Isolate is not terminating because in this case the promise might have
  // not finished.
  CHECK_IMPLIES(!finished_, !env()->can_call_into_js());
}

template <typename AliasedBufferT>
FSReqPromise<AliasedBufferT>::FSReqPromise(
    BindingData* binding_data,
    v8::Local<v8::Object> obj,
    bool use_bigint)
  : FSReqBase(binding_data,
              obj,
              AsyncWrap::PROVIDER_FSREQPROMISE,
              use_bigint),
    stats_field_array_(
        env()->isolate(),
        static_cast<size_t>(FsStatsOffset::kFsStatsFieldsNumber)) {}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::Reject(v8::Local<v8::Value> reject) {
  finished_ = true;
  v8::HandleScope scope(env()->isolate());
  InternalCallbackScope callback_scope(this);
  v8::Local<v8::Value> value =
      object()->Get(env()->context(),
                    env()->promise_string()).ToLocalChecked();
  v8::Local<v8::Promise::Resolver> resolver = value.As<v8::Promise::Resolver>();
  USE(resolver->Reject(env()->context(), reject).FromJust());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::Resolve(v8::Local<v8::Value> value) {
  finished_ = true;
  v8::HandleScope scope(env()->isolate());
  InternalCallbackScope callback_scope(this);
  v8::Local<v8::Value> val =
      object()->Get(env()->context(),
                    env()->promise_string()).ToLocalChecked();
  v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
  USE(resolver->Resolve(env()->context(), value).FromJust());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::ResolveStat(const uv_stat_t* stat) {
  FillStatsArray(&stats_field_array_, stat);
  Resolve(stats_field_array_.GetJSArray());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::SetReturnValue(
    const v8::FunctionCallbackInfo<v8::Value>& args) {
  v8::Local<v8::Value> val =
      object()->Get(env()->context(),
                    env()->promise_string()).ToLocalChecked();
  v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
  args.GetReturnValue().Set(resolver->GetPromise());
}

template <typename AliasedBufferT>
void FSReqPromise<AliasedBufferT>::MemoryInfo(MemoryTracker* tracker) const {
  FSReqBase::MemoryInfo(tracker);
  tracker->TrackField("stats_field_array", stats_field_array_);
}

FSReqBase* GetReqWrap(const v8::FunctionCallbackInfo<v8::Value>& args,
                      int index,
                      bool use_bigint) {
  v8::Local<v8::Value> value = args[index];
  if (value->IsObject()) {
    return Unwrap<FSReqBase>(value.As<v8::Object>());
  }

  BindingData* binding_data = Environment::GetBindingData<BindingData>(args);
  Environment* env = binding_data->env();
  if (value->StrictEquals(env->fs_use_promises_symbol())) {
    if (use_bigint) {
      return FSReqPromise<AliasedBigInt64Array>::New(binding_data, use_bigint);
    } else {
      return FSReqPromise<AliasedFloat64Array>::New(binding_data, use_bigint);
    }
  }
  return nullptr;
}

// Returns nullptr if the operation fails from the start.
template <typename Func, typename... Args>
FSReqBase* AsyncDestCall(Environment* env, FSReqBase* req_wrap,
                         const v8::FunctionCallbackInfo<v8::Value>& args,
                         const char* syscall, const char* dest,
                         size_t len, enum encoding enc, uv_fs_cb after,
                         Func fn, Args... fn_args) {
  CHECK_NOT_NULL(req_wrap);
  req_wrap->Init(syscall, dest, len, enc);
  int err = req_wrap->Dispatch(fn, fn_args..., after);
  if (err < 0) {
    uv_fs_t* uv_req = req_wrap->req();
    uv_req->result = err;
    uv_req->path = nullptr;
    after(uv_req);  // after may delete req_wrap if there is an error
    req_wrap = nullptr;
  } else {
    req_wrap->SetReturnValue(args);
  }

  return req_wrap;
}

// Returns nullptr if the operation fails from the start.
template <typename Func, typename... Args>
FSReqBase* AsyncCall(Environment* env,
                     FSReqBase* req_wrap,
                     const v8::FunctionCallbackInfo<v8::Value>& args,
                     const char* syscall, enum encoding enc,
                     uv_fs_cb after, Func fn, Args... fn_args) {
  return AsyncDestCall(env, req_wrap, args,
                       syscall, nullptr, 0, enc,
                       after, fn, fn_args...);
}

// Template counterpart of SYNC_CALL, except that it only puts
// the error number and the syscall in the context instead of
// creating an error in the C++ land.
// ctx must be checked using value->IsObject() before being passed.
template <typename Func, typename... Args>
int SyncCall(Environment* env, v8::Local<v8::Value> ctx,
             FSReqWrapSync* req_wrap, const char* syscall,
             Func fn, Args... args) {
  env->PrintSyncTrace();
  int err = fn(env->event_loop(), &(req_wrap->req), args..., nullptr);
  if (err < 0) {
    v8::Local<v8::Context> context = env->context();
    v8::Local<v8::Object> ctx_obj = ctx.As<v8::Object>();
    v8::Isolate* isolate = env->isolate();
    ctx_obj->Set(context,
                 env->errno_string(),
                 v8::Integer::New(isolate, err)).Check();
    ctx_obj->Set(context,
                 env->syscall_string(),
                 OneByteString(isolate, syscall)).Check();
  }
  return err;
}

}  // namespace fs
}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_NODE_FILE_INL_H_


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			#ifndef SRC_NODE_FILE_INL_H_
2			#define SRC_NODE_FILE_INL_H_
3
4			#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
5
6			#include "node_file.h"
7			#include "req_wrap-inl.h"
8
9			namespace node {
10			namespace fs {
11
12		6905	FSContinuationData::FSContinuationData(uv_fs_t* req, int mode, uv_fs_cb done_cb)
13		6905	: done_cb_(done_cb), req_(req), mode_(mode) {
14		6905	}
15
16		966	void FSContinuationData::PushPath(std::string&& path) {
17		966	paths_.emplace_back(std::move(path));
18		966	}
19
20		6541	void FSContinuationData::PushPath(const std::string& path) {
21		6541	paths_.push_back(path);
22		6541	}
23
24		713	void FSContinuationData::MaybeSetFirstPath(const std::string& path) {
25	✓✓	713	if (first_path_.empty()) {
26		531	first_path_ = path;
27			}
28		713	}
29
30		7507	std::string FSContinuationData::PopPath() {
31	✗✓	7507	CHECK(!paths_.empty());
32		7507	std::string path = std::move(paths_.back());
33		7507	paths_.pop_back();
34		7507	return path;
35			}
36
37		364	void FSContinuationData::Done(int result) {
38		364	req_->result = result;
39		364	done_cb_(req_);
40		364	}
41
42		57450	FSReqBase::FSReqBase(BindingData* binding_data,
43			v8::Local<v8::Object> req,
44			AsyncWrap::ProviderType type,
45		57450	bool use_bigint)
46			: ReqWrap(binding_data->env(), req, type),
47			use_bigint_(use_bigint),
48		57450	binding_data_(binding_data) {
49		57450	}
50
51		57372	void FSReqBase::Init(const char* syscall,
52			const char* data,
53			size_t len,
54			enum encoding encoding) {
55		57372	syscall_ = syscall;
56		57372	encoding_ = encoding;
57
58	✓✓	57372	if (data != nullptr) {
59	✗✓	236	CHECK(!has_data_);
60		236	buffer_.AllocateSufficientStorage(len + 1);
61		236	buffer_.SetLengthAndZeroTerminate(len);
62		236	memcpy(*buffer_, data, len);
63		236	has_data_ = true;
64			}
65		57372	}
66
67			FSReqBase::FSReqBuffer&
68		78	FSReqBase::Init(const char* syscall, size_t len, enum encoding encoding) {
69		78	syscall_ = syscall;
70		78	encoding_ = encoding;
71
72		78	buffer_.AllocateSufficientStorage(len + 1);
73		78	has_data_ = false; // so that the data does not show up in error messages
74		78	return buffer_;
75			}
76
77		52107	FSReqCallback::FSReqCallback(BindingData* binding_data,
78			v8::Local<v8::Object> req,
79		52107	bool use_bigint)
80			: FSReqBase(binding_data,
81			req,
82			AsyncWrap::PROVIDER_FSREQCALLBACK,
83		52107	use_bigint) {}
84
85			template <typename NativeT, typename V8T>
86		384198	void FillStatsArray(AliasedBufferBase<NativeT, V8T>* fields,
87			const uv_stat_t* s,
88			const size_t offset) {
89			#define SET_FIELD_WITH_STAT(stat_offset, stat) \
90			fields->SetValue(offset + static_cast<size_t>(FsStatsOffset::stat_offset), \
91			static_cast<NativeT>(stat))
92
93			// On win32, time is stored in uint64_t and starts from 1601-01-01.
94			// libuv calculates tv_sec and tv_nsec from it and converts to signed long,
95			// which causes Y2038 overflow. On the other platforms it is safe to treat
96			// negative values as pre-epoch time.
97			#ifdef _WIN32
98			#define SET_FIELD_WITH_TIME_STAT(stat_offset, stat) \
99			/* NOLINTNEXTLINE(runtime/int) */ \
100			SET_FIELD_WITH_STAT(stat_offset, static_cast<unsigned long>(stat))
101			#else
102			#define SET_FIELD_WITH_TIME_STAT(stat_offset, stat) \
103			SET_FIELD_WITH_STAT(stat_offset, static_cast<double>(stat))
104			#endif // _WIN32
105
106		192099	SET_FIELD_WITH_STAT(kDev, s->st_dev);
107		192099	SET_FIELD_WITH_STAT(kMode, s->st_mode);
108		192099	SET_FIELD_WITH_STAT(kNlink, s->st_nlink);
109		192099	SET_FIELD_WITH_STAT(kUid, s->st_uid);
110		192099	SET_FIELD_WITH_STAT(kGid, s->st_gid);
111		192099	SET_FIELD_WITH_STAT(kRdev, s->st_rdev);
112		192099	SET_FIELD_WITH_STAT(kBlkSize, s->st_blksize);
113		192099	SET_FIELD_WITH_STAT(kIno, s->st_ino);
114		192099	SET_FIELD_WITH_STAT(kSize, s->st_size);
115		192099	SET_FIELD_WITH_STAT(kBlocks, s->st_blocks);
116
117		192099	SET_FIELD_WITH_TIME_STAT(kATimeSec, s->st_atim.tv_sec);
118		192099	SET_FIELD_WITH_TIME_STAT(kATimeNsec, s->st_atim.tv_nsec);
119		192099	SET_FIELD_WITH_TIME_STAT(kMTimeSec, s->st_mtim.tv_sec);
120		192099	SET_FIELD_WITH_TIME_STAT(kMTimeNsec, s->st_mtim.tv_nsec);
121		192099	SET_FIELD_WITH_TIME_STAT(kCTimeSec, s->st_ctim.tv_sec);
122		192099	SET_FIELD_WITH_TIME_STAT(kCTimeNsec, s->st_ctim.tv_nsec);
123		192099	SET_FIELD_WITH_TIME_STAT(kBirthTimeSec, s->st_birthtim.tv_sec);
124		192099	SET_FIELD_WITH_TIME_STAT(kBirthTimeNsec, s->st_birthtim.tv_nsec);
125
126			#undef SET_FIELD_WITH_TIME_STAT
127			#undef SET_FIELD_WITH_STAT
128		192099	}
129
130		190453	v8::Local<v8::Value> FillGlobalStatsArray(BindingData* binding_data,
131			const bool use_bigint,
132			const uv_stat_t* s,
133			const bool second) {
134		190453	const ptrdiff_t offset =
135	✓✓	190453	second ? static_cast<ptrdiff_t>(FsStatsOffset::kFsStatsFieldsNumber) : 0;
136	✓✓	190453	if (use_bigint) {
137		114061	auto* const arr = &binding_data->stats_field_bigint_array;
138		114061	FillStatsArray(arr, s, offset);
139		228122	return arr->GetJSArray();
140			} else {
141		76392	auto* const arr = &binding_data->stats_field_array;
142		76392	FillStatsArray(arr, s, offset);
143		152784	return arr->GetJSArray();
144			}
145			}
146
147			template <typename AliasedBufferT>
148			FSReqPromise<AliasedBufferT>*
149		10686	FSReqPromise<AliasedBufferT>::New(BindingData* binding_data,
150			bool use_bigint) {
151		10686	Environment* env = binding_data->env();
152			v8::Local<v8::Object> obj;
153		10686	if (!env->fsreqpromise_constructor_template()
154		10686	->NewInstance(env->context())
155	✗✓	10686	.ToLocal(&obj)) {
156			return nullptr;
157			}
158			v8::Local<v8::Promise::Resolver> resolver;
159	✓✗	32058	if (!v8::Promise::Resolver::New(env->context()).ToLocal(&resolver) \|\|
160	✗✓✗✓	42744	obj->Set(env->context(), env->promise_string(), resolver).IsNothing()) {
161			return nullptr;
162			}
163		10686	return new FSReqPromise(binding_data, obj, use_bigint);
164			}
165
166			template <typename AliasedBufferT>
167		21356	FSReqPromise<AliasedBufferT>::~FSReqPromise() {
168			// Validate that the promise was explicitly resolved or rejected but only if
169			// the Isolate is not terminating because in this case the promise might have
170			// not finished.
171	✗✓✗✓	10678	CHECK_IMPLIES(!finished_, !env()->can_call_into_js());
172	✓✓	32034	}
173
174			template <typename AliasedBufferT>
175		10686	FSReqPromise<AliasedBufferT>::FSReqPromise(
176			BindingData* binding_data,
177			v8::Local<v8::Object> obj,
178			bool use_bigint)
179			: FSReqBase(binding_data,
180			obj,
181			AsyncWrap::PROVIDER_FSREQPROMISE,
182			use_bigint),
183			stats_field_array_(
184			env()->isolate(),
185		10686	static_cast<size_t>(FsStatsOffset::kFsStatsFieldsNumber)) {}
186
187			template <typename AliasedBufferT>
188		826	void FSReqPromise<AliasedBufferT>::Reject(v8::Local<v8::Value> reject) {
189		826	finished_ = true;
190		1652	v8::HandleScope scope(env()->isolate());
191		826	InternalCallbackScope callback_scope(this);
192			v8::Local<v8::Value> value =
193		2478	object()->Get(env()->context(),
194		826	env()->promise_string()).ToLocalChecked();
195		826	v8::Local<v8::Promise::Resolver> resolver = value.As<v8::Promise::Resolver>();
196		1652	USE(resolver->Reject(env()->context(), reject).FromJust());
197		826	}
198
199			template <typename AliasedBufferT>
200		9566	void FSReqPromise<AliasedBufferT>::Resolve(v8::Local<v8::Value> value) {
201		9566	finished_ = true;
202		19132	v8::HandleScope scope(env()->isolate());
203		9566	InternalCallbackScope callback_scope(this);
204			v8::Local<v8::Value> val =
205		28698	object()->Get(env()->context(),
206		9566	env()->promise_string()).ToLocalChecked();
207		9566	v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
208		19132	USE(resolver->Resolve(env()->context(), value).FromJust());
209		9566	}
210
211			template <typename AliasedBufferT>
212		3292	void FSReqPromise<AliasedBufferT>::ResolveStat(const uv_stat_t* stat) {
213		3292	FillStatsArray(&stats_field_array_, stat);
214		6584	Resolve(stats_field_array_.GetJSArray());
215		3292	}
216
217			template <typename AliasedBufferT>
218		10686	void FSReqPromise<AliasedBufferT>::SetReturnValue(
219			const v8::FunctionCallbackInfo<v8::Value>& args) {
220			v8::Local<v8::Value> val =
221		32058	object()->Get(env()->context(),
222		10686	env()->promise_string()).ToLocalChecked();
223		10686	v8::Local<v8::Promise::Resolver> resolver = val.As<v8::Promise::Resolver>();
224		10686	args.GetReturnValue().Set(resolver->GetPromise());
225		10686	}
226
227			template <typename AliasedBufferT>
228		2	void FSReqPromise<AliasedBufferT>::MemoryInfo(MemoryTracker* tracker) const {
229		2	FSReqBase::MemoryInfo(tracker);
230		2	tracker->TrackField("stats_field_array", stats_field_array_);
231			}
232
233	✓✗	801922	FSReqBase* GetReqWrap(const v8::FunctionCallbackInfo<v8::Value>& args,
234			int index,
235			bool use_bigint) {
236		801922	v8::Local<v8::Value> value = args[index];
237	✓✓	801922	if (value->IsObject()) {
238		52107	return Unwrap<FSReqBase>(value.As<v8::Object>());
239			}
240
241		749815	BindingData* binding_data = Environment::GetBindingData<BindingData>(args);
242		749815	Environment* env = binding_data->env();
243	✓✓	1499630	if (value->StrictEquals(env->fs_use_promises_symbol())) {
244	✓✓	5343	if (use_bigint) {
245		428	return FSReqPromise<AliasedBigInt64Array>::New(binding_data, use_bigint);
246			} else {
247		4915	return FSReqPromise<AliasedFloat64Array>::New(binding_data, use_bigint);
248			}
249			}
250		744472	return nullptr;
251			}
252
253			// Returns nullptr if the operation fails from the start.
254			template <typename Func, typename... Args>
255		114744	FSReqBase* AsyncDestCall(Environment* env, FSReqBase* req_wrap,
256			const v8::FunctionCallbackInfo<v8::Value>& args,
257			const char* syscall, const char* dest,
258			size_t len, enum encoding enc, uv_fs_cb after,
259			Func fn, Args... fn_args) {
260	✗✓	114744	CHECK_NOT_NULL(req_wrap);
261		114744	req_wrap->Init(syscall, dest, len, enc);
262		114744	int err = req_wrap->Dispatch(fn, fn_args..., after);
263	✗✓	114744	if (err < 0) {
264			uv_fs_t* uv_req = req_wrap->req();
265			uv_req->result = err;
266			uv_req->path = nullptr;
267			after(uv_req); // after may delete req_wrap if there is an error
268			req_wrap = nullptr;
269			} else {
270		114744	req_wrap->SetReturnValue(args);
271			}
272
273		114744	return req_wrap;
274			}
275
276			// Returns nullptr if the operation fails from the start.
277			template <typename Func, typename... Args>
278		114272	FSReqBase* AsyncCall(Environment* env,
279			FSReqBase* req_wrap,
280			const v8::FunctionCallbackInfo<v8::Value>& args,
281			const char* syscall, enum encoding enc,
282			uv_fs_cb after, Func fn, Args... fn_args) {
283		114272	return AsyncDestCall(env, req_wrap, args,
284			syscall, nullptr, 0, enc,
285		114272	after, fn, fn_args...);
286			}
287
288			// Template counterpart of SYNC_CALL, except that it only puts
289			// the error number and the syscall in the context instead of
290			// creating an error in the C++ land.
291			// ctx must be checked using value->IsObject() before being passed.
292			template <typename Func, typename... Args>
293		744189	int SyncCall(Environment* env, v8::Local<v8::Value> ctx,
294			FSReqWrapSync* req_wrap, const char* syscall,
295			Func fn, Args... args) {
296		744189	env->PrintSyncTrace();
297		744189	int err = fn(env->event_loop(), &(req_wrap->req), args..., nullptr);
298		744189	if (err < 0) {
299		2735	v8::Local<v8::Context> context = env->context();
300		2735	v8::Local<v8::Object> ctx_obj = ctx.As<v8::Object>();
301		2735	v8::Isolate* isolate = env->isolate();
302		10940	ctx_obj->Set(context,
303			env->errno_string(),
304			v8::Integer::New(isolate, err)).Check();
305		10940	ctx_obj->Set(context,
306			env->syscall_string(),
307			OneByteString(isolate, syscall)).Check();
308			}
309		744189	return err;
310			}
311
312			} // namespace fs
313			} // namespace node
314
315			#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
316
317			#endif // SRC_NODE_FILE_INL_H_