deleted sstream

src/settings/wifi/channel.cpp

@@ -1,6 +1,5 @@
 #include <settings/wifi/wifi.hpp>
 #include <iostream>
-#include <sstream>
 #include <fstream>
 #include <syslog.h>
 
@@ -15,24 +14,30 @@ namespace api
             void set_wifi_channel(int new_channel)
             {
                 std::ifstream wifisettingsfile(WIFI_SETTINGS_PATH);
-                std::string old_channel;
+                std::string old_channel_string;
                 std::string wifisettingsbuffer;
                 while (std::getline(wifisettingsfile, wifisettingsbuffer))
                 {
                     if (wifisettingsbuffer.find("channel=") == 0)
                     {
-                        old_channel = wifisettingsbuffer;
-                        old_channel.erase(0, 8);
+                        old_channel_string = wifisettingsbuffer;
+                        old_channel_string.erase(0, 8);
                         break;
                     }
                 }
                 wifisettingsfile.close();
-                std::stringstream systemrequest;
-                systemrequest << "sed -i \"/channel=" << old_channel << "/s//channel=" << new_channel << "/\" /etc/hostapd/hostapd.conf";
-                std::cout << systemrequest.str() << std::endl;
-                system(systemrequest.str().c_str());
+                std::cout << old_channel_string << std::endl;
+                int old_channel = std::stoi(old_channel_string);
+                std::string systemrequest;
+                systemrequest += "sed -i \"/channel=" \
+                    + std::to_string(old_channel) \
+                    + "/s//channel=" \
+                    + std::to_string(new_channel) \
+                    + "/\" /etc/hostapd/hostapd.conf";
+                std::cout << systemrequest << std::endl;
+                system(systemrequest.c_str());
                 system("rc restart hostapd");
-                std::string syslogstring = "WIFI channel changed to " + new_channel;
+                std::string syslogstring = "WIFI channel changed to " + std::to_string(new_channel);
                 syslog(LOG_INFO, "%s", syslogstring.c_str());
             }
         }