Function checkFile

tools/survey/storage.go:123–158

(write_path string)

}

func checkFile(write_path string) error {
	dirname := filepath.Dir(write_path)
	st, err := os.Lstat(dirname)
	if err != nil {
		if os.IsNotExist(err) {
			return fmt.Errorf("Directory %v does not exist", dirname)
		}
		if os.IsPermission(err) {
			return fmt.Errorf("Directory %v is not accessibile: %w",
				dirname, err)
		}

		return fmt.Errorf("Directory %v is not valid", dirname)
	}

	if !st.IsDir() {
		return fmt.Errorf("Directory %v is not a valid directory", dirname)
	}

	st, err = os.Lstat(write_path)
	if err != nil {
		if os.IsNotExist(err) {
			return fileDoesNotExist
		}

		if os.IsPermission(err) {
			return fmt.Errorf("Unable to create file: %w", err)
		}
	}

	if st.IsDir() {
		return fmt.Errorf("Path %v is a directory", write_path)
	}

	return nil
}