51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
|
#include <node_api.h>
|
||
|
|
#undef NAPI_VERSION
|
||
|
|
#include <node_buffer.h>
|
||
|
|
#include <v8.h>
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
napi_value CreateBuffer(napi_env env, napi_callback_info info) {
|
||
|
|
v8::Isolate* isolate = v8::Isolate::TryGetCurrent();
|
||
|
|
if (isolate == nullptr) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
const size_t length = 4;
|
||
|
|
|
||
|
|
uint8_t* data = new uint8_t[length];
|
||
|
|
for (size_t i = 0; i < 4; i++) {
|
||
|
|
data[i] = static_cast<uint8_t>(length);
|
||
|
|
}
|
||
|
|
|
||
|
|
auto finalizer = [](char* data, void* hint) {
|
||
|
|
delete[] static_cast<uint8_t*>(reinterpret_cast<void*>(data));
|
||
|
|
};
|
||
|
|
|
||
|
|
// NOTE: Buffer API is invoked directly rather than
|
||
|
|
// napi version to trigger the FATAL error from V8.
|
||
|
|
v8::MaybeLocal<v8::Object> maybe = node::Buffer::New(
|
||
|
|
isolate, static_cast<char*>(reinterpret_cast<void*>(data)), length,
|
||
|
|
finalizer, nullptr);
|
||
|
|
|
||
|
|
return reinterpret_cast<napi_value>(*maybe.ToLocalChecked());
|
||
|
|
}
|
||
|
|
|
||
|
|
napi_value Init(napi_env env, napi_value exports) {
|
||
|
|
napi_status status;
|
||
|
|
napi_property_descriptor descriptors[] = {{"createBuffer", NULL, CreateBuffer,
|
||
|
|
NULL, NULL, NULL, napi_default,
|
||
|
|
NULL}};
|
||
|
|
|
||
|
|
status = napi_define_properties(
|
||
|
|
env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors);
|
||
|
|
if (status != napi_ok)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
return exports;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace
|
||
|
|
|
||
|
|
NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)
|