cleanup

src/utils.cpp

@@ -1,5 +1,4 @@
 #include <fcntl.h>
-#include <string.h>
 #include <unistd.h>
 
 #include <array>
@@ -12,14 +11,14 @@
 #include <string_view>
 #include <utils.hpp>
 
-// pads given string to length
+/* pads given string to length */
 std::string pad(std::string s, uint8_t len, JUST j) {
     if (len > s.size())
         s.insert(j == JUST::LEFT ? s.end() : s.begin(), len - s.size(), FILL_CHAR);
     return s;
 }
 
-// returns the string centered within given length
+/* returns the string centered within given length */
 std::string center(std::string str, uint8_t len) {
     uint8_t padding = len - str.size();
     str.insert(str.begin(), padding / 2, FILL_CHAR);
@@ -27,7 +26,7 @@ std::string center(std::string str, uint8_t len) {
     return str;
 }
 
-// converts large number in (k)bytes to human readable numer with suffix and sane decimal
+/* converts large number in (k)bytes to human readable numer with suffix and sane decimal */
 std::string pBytes(double bytes, bool isKbytes) {
     std::array suffix_list = {'K', 'M', 'G', 'T', 'P', 'E', 'Z'};
     for (auto& suffix : suffix_list) {
@@ -42,7 +41,7 @@ std::string pBytes(double bytes, bool isKbytes) {
     return "++++";
 }
 
-/* SENSOR GETTERS  + UTILS*/
+/* reads maxlen of chars of the file in path into buffer */
 ssize_t readFile(const char* path, char* buffer, size_t maxlen) {
     int fd = open(path, O_RDONLY | O_CLOEXEC);
     if (fd < 0) {
@@ -55,7 +54,8 @@ ssize_t readFile(const char* path, char* buffer, size_t maxlen) {
     return len;
 }
 
-ssize_t readFile(std::string path, char* buffer, size_t maxlen) {
+/* overload so it takes std::string as path */
+ssize_t readFile(const std::string path, char* buffer, size_t maxlen) {
     return readFile(path.c_str(), buffer, maxlen);
 }