simplify readFile, use std::array instead of c-style bufs

src/utils.cpp

@@ -1,10 +1,6 @@
-#include <fcntl.h>
-#include <unistd.h>
-
 #include <array>
 #include <cstdint>
 #include <filesystem>
-#include <format>
 #include <log.hpp>
 #include <string>
 #include <string_view>
@@ -41,23 +37,6 @@ std::string pBytes(double bytes, const bool isKbytes) {
     return "++++";
 }
 
-/* reads maxlen of chars of the file in path into buffer */
-ssize_t readFile(const char* path, char* buffer, const size_t maxlen) {
-    const int fd = open(path, O_RDONLY | O_CLOEXEC);
-    if (fd < 0) {
-        applog(LOG::ERR, "Error reading {}", path);
-        return 0;
-    }
-    const ssize_t len = read(fd, buffer, maxlen - 1);
-    if (len >= 0) buffer[len] = '\0';
-    close(fd);
-    return len;
-}
-
-/* overload so it takes std::string as path */
-ssize_t readFile(const std::string& path, char* buffer, const size_t maxlen) {
-    return readFile(path.c_str(), buffer, maxlen);
-}
 
 /* finds first dir in path and returns it. don't refactor, you don't understand it, its fast enough, and you only use it on init */
 std::string getFirstDir(const std::string_view& path) {