optimizations of utils

include/utils.hpp

@@ -1,7 +1,6 @@
 #ifndef UTILS_HPP
 #define UTILS_HPP
 
-#include <dirent.h>
 #include <fcntl.h>
 #include <string.h>
 #include <unistd.h>
@@ -9,23 +8,23 @@
 #include <cstdint>
 #include <cstdlib>
 #include <filesystem>
-#include <fstream>
-#include <iomanip>
+#include <format>
 #include <log.hpp>
-#include <sstream>
 #include <string>
+#include <string_view>
 
 #define FILL_CHAR ' '
 
-std::string pNum(double num, uint8_t decs = 0);
-std::string pNum(float num, uint8_t decs = 0);
+// pretty prints num with given decs, 0 by default. its basically a macro so we inline it
+inline std::string pNum(auto num, uint8_t decs = 0) { return std::format("{:.{}f}", num, decs); }
+
 std::string pad(std::string s, uint8_t len, bool ljust = false);
 std::string center(std::string str, uint8_t len);
 std::string pBytes(double bytes, bool isKbytes = false);
 std::string readFile(std::string path, size_t trim = 4096);
 ssize_t readFile2(std::string path, char *buffer, size_t maxlen);
 ssize_t readFile2(const char *path, char *buffer, size_t maxlen);
-int get_val(const std::string &target, const std::string &content);
-std::string getFirstDir(std::string path);
+int get_val(std::string_view target, std::string_view content);
+std::string getFirstDir(std::string_view path);
 
 #endif