Cpp Char 数组越界的问题记录

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void uiChangeGraph(std::string_view path) {
  char tmp[FILENAME_BUF_SIZE]{ 0 };
  auto t = currentProject()->openGraph(path, tmp);
}

SightNodeGraph* Project::openGraph(std::string_view path, char* pathWithoutExtOut) {
  std::string targetPath{path};
  std::filesystem::path temp(targetPath);
  if (temp.has_extension()) {
    std::string ext = temp.extension().generic_string();
    if (ext == ".json" || ext == ".yaml") {
      targetPath = std::string(targetPath, 0, targetPath.rfind('.'));
    }
  }
  if (pathWithoutExtOut) {
    sprintf(pathWithoutExtOut, "%s", targetPath.c_str());
  }
  return currentGraph();
}