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c-kzg-4844
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close file descriptor (#248)

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Matthew Keil 2023-03-28 16:23:17 -04:00 committed by GitHub
parent c5920c4ef4
commit db8f42507a
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1 changed files with 29 additions and 14 deletions
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43
bindings/node.js/src/kzg.cxx
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@ -1,9 +1,6 @@
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <sstream> // std::ostringstream
#include <algorithm> // std::copy
#include <iterator> // std::ostream_iterator
#include <string_view>
#include <napi.h>
#include "c_kzg_4844.h"
@ -132,22 +129,40 @@ inline Bytes48 *get_bytes48(const Napi::Env &env, const Napi::Value &val, std::s
Napi::Value LoadTrustedSetup(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
// Check if the trusted setup is already loaded
KzgAddonData *data = env.GetInstanceData<KzgAddonData>();
if (data->is_setup) {
Napi::Error::New(env, "kzg bindings are already setup").ThrowAsJavaScriptException();
return env.Undefined();
Napi::Error::New(env, "Error trusted setup is already loaded").ThrowAsJavaScriptException();
return env.Undefined();
}
// the validation checks for this happen in JS
const std::string file_path = info[0].As<Napi::String>().Utf8Value();
// Open the trusted setup file
std::string file_path = info[0].As<Napi::String>().Utf8Value();
FILE *file_handle = fopen(file_path.c_str(), "r");
if (file_handle == NULL) {
Napi::Error::New(env, "Error opening trusted setup file: " + file_path).ThrowAsJavaScriptException();
return env.Undefined();
if (file_handle == nullptr) {
Napi::Error::New(env, "Error opening trusted setup file: " + file_path).ThrowAsJavaScriptException();
return env.Undefined();
}
if (load_trusted_setup_file(&(data->settings), file_handle) != C_KZG_OK) {
Napi::Error::New(env, "Error loading trusted setup file: " + file_path).ThrowAsJavaScriptException();
return env.Undefined();
// Load the trusted setup from that file
C_KZG_RET ret = load_trusted_setup_file(&(data->settings), file_handle);
// Close the trusted setup file
if (fclose(file_handle) != 0) {
if (ret == C_KZG_OK) {
free_trusted_setup(&(data->settings));
}
Napi::Error::New(env, "Error closing trusted setup file").ThrowAsJavaScriptException();
return env.Undefined();
}
// Check that it was successful
if (ret != C_KZG_OK) {
Napi::Error::New(env, "Error loading trusted setup file: " + file_path).ThrowAsJavaScriptException();
return env.Undefined();
}
data->is_setup = true;
return env.Undefined();
}