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diff --git a/include/util.hpp b/include/util.hpp
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+// Display images inside a terminal
+// Copyright (C) 2023  JustKidding
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef NAMESPACE_UTIL_H
+#define NAMESPACE_UTIL_H
+
+#include <filesystem>
+#include <functional>
+#include <limits>
+#include <optional>
+#include <random>
+#include <string>
+#include <string_view>
+#include <vector>
+
+#include "flags.hpp"
+#include "os.hpp"
+#include "process.hpp"
+
+namespace util
+{
+auto str_split(std::string_view str, std::string_view delim) -> std::vector<std::string>;
+auto get_process_tree(int pid) -> std::vector<int>;
+auto get_process_tree_v2(int pid) -> std::vector<Process>;
+auto get_b2_hash_ssl(std::string_view str) -> std::string;
+auto get_cache_path() -> std::string;
+auto get_cache_file_save_location(const std::filesystem::path &path) -> std::string;
+auto get_log_filename() -> std::string;
+auto get_socket_path(int pid = os::get_pid()) -> std::string;
+void send_socket_message(std::string_view msg, std::string_view endpoint);
+auto base64_encode(const unsigned char *input, size_t length) -> std::string;
+void base64_encode_v2(const unsigned char *input, size_t length, unsigned char *out);
+void move_cursor(int row, int col);
+void save_cursor_position();
+void restore_cursor_position();
+void benchmark(const std::function<void(void)> &func);
+void send_command(const Flags &flags);
+void clear_terminal_area(int xcoord, int ycoord, int width, int height);
+auto generate_random_string(std::size_t length) -> std::string;
+auto round_up(int num_to_round, int multiple) -> int;
+auto temp_directory_path() -> std::filesystem::path;
+
+auto read_exif_rotation(const std::filesystem::path &path) -> std::optional<std::uint16_t>;
+template <typename T>
+auto generate_random_number(T min, T max = std::numeric_limits<T>::max()) -> T
+{
+    std::random_device dev;
+    std::mt19937 rng(dev());
+    std::uniform_int_distribution<T> dist(min, max);
+    return dist(rng);
+}
+} // namespace util
+
+#endif