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Ensure env is open in env.openDbi() to avoid Segfault #224

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Ensure env is open in env.openDbi() to avoid Segfault #224

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10 changes: 10 additions & 0 deletions src/env.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -592,6 +592,16 @@ NAN_METHOD(EnvWrap::openDbi) {

const unsigned argc = 2;
Local<Value> argv[argc] = { info.This(), info[0] };

// Ensure env has been opened.
// A hacky way to do that, it to check whether me_path has been set.
EnvWrap *ew = Nan::ObjectWrap::Unwrap<EnvWrap>(info.This());
const char* path = nullptr;
int rc = mdb_env_get_path(ew->env, &path);
if (path == nullptr) {
return Nan::ThrowError("The environment is not open.");
}

Nan::MaybeLocal<Object> maybeInstance = Nan::NewInstance(Nan::New(*dbiCtor), argc, argv);

// Check if database could be opened
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