#pragma once #include "common.hpp" POLYBAR_NS namespace file_util { /** * RAII file wrapper */ class file_ptr { public: explicit file_ptr(const string& path, const string& mode = "a+") : m_path(string(path)), m_mode(string(mode)) { m_ptr = fopen(m_path.c_str(), m_mode.c_str()); } ~file_ptr(); operator bool(); FILE* operator()(); protected: FILE* m_ptr = nullptr; string m_path; string m_mode; }; bool exists(const string& filename); string get_contents(const string& filename); void set_block(int fd); void set_nonblock(int fd); bool is_fifo(string filename); } POLYBAR_NS_END