Optimise out fix

source/ubl-settings-resourcequota.c

@@ -302,25 +302,25 @@ void on_quotas_save(GtkWidget *self, dictionary *windows){
     char *hard = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->HardRestrictionCheck)) ? yon_char_append(yon_char_from_long(gtk_spin_button_get_value(GTK_SPIN_BUTTON(window->HardRestrictionSpin))),get_size_mod(GTK_COMBO_BOX(window->HardRestrictionCombo))) : NULL;
     char *paging = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->PagingLimitCheck)) ? yon_char_append(yon_char_from_long(gtk_spin_button_get_value(GTK_SPIN_BUTTON(window->PagingLimitSpin))),get_size_mod(GTK_COMBO_BOX(window->PagingLimitCombo))) : NULL;
     char *cpu = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->CpuLimitCheck)) ? yon_char_append(yon_char_from_long(gtk_spin_button_get_value(GTK_SPIN_BUTTON(window->CpuLimitSpin))),"%") : NULL;
-    char *read_limit = "";
+    char *read_limit = NULL;
-    char *read_devices = "";
+    char *read_devices = NULL;
     dictionary *dict;
     for_dictionaries(dict,window->devices){
         if (dict->data&&yon_dictionary_get_data(dict,device_limits*)->read)
-        read_devices = yon_char_unite(read_devices,"",yon_char_divide_search(yon_char_new(dict->key)," ",-1)," ",yon_dictionary_get_data(dict,device_limits*)->read,"\n",NULL);
+        read_devices = yon_char_unite(read_devices?read_devices:"","",yon_char_divide_search(yon_char_new(dict->key)," ",-1)," ",yon_dictionary_get_data(dict,device_limits*)->read,"\n",NULL);
     }
-    if (read_devices[strlen(read_devices)-1]=='\n') read_devices[strlen(read_devices)-1]='\0';
+    if (!yon_char_is_empty(read_devices)&&read_devices[strlen(read_devices)-1]=='\n') read_devices[strlen(read_devices)-1]='\0';
-    read_limit = yon_char_unite(read_limit,read_devices,NULL);
+    read_limit = yon_char_unite(read_limit?read_limit:"",read_devices,NULL);
     
     
-    char *write_limit = "";
+    char *write_limit = NULL;
-    char *write_devices = "";
+    char *write_devices = NULL;
     for_dictionaries(dict,window->devices){
         if (dict->data&&yon_dictionary_get_data(dict,device_limits*)->write)
-        write_devices = yon_char_unite(write_devices,"",yon_char_divide_search(yon_char_new(dict->key)," ",-1)," ",yon_dictionary_get_data(dict,device_limits*)->write,"\n",NULL);
+        write_devices = yon_char_unite(write_devices?write_devices:"","",yon_char_divide_search(yon_char_new(dict->key)," ",-1)," ",yon_dictionary_get_data(dict,device_limits*)->write,"\n",NULL);
     }
-    if (write_devices[strlen(write_devices)-1]=='\n') write_devices[strlen(write_devices)-1]='\0';
+    if (!yon_char_is_empty(write_devices)&&write_devices[strlen(write_devices)-1]=='\n') write_devices[strlen(write_devices)-1]='\0';
-    write_limit = yon_char_unite(write_limit,write_devices,NULL);
+    write_limit = yon_char_unite(write_limit?write_limit:"",write_devices,NULL);
     gtk_list_store_append(main_config.list,&iter);
     gtk_list_store_set(main_config.list,&iter,0,type,1,target,2,soft,3,hard,4,paging,5,cpu,6,read_limit,7,write_limit,8,string,-1);
     yon_config_register(CGROUP_QUOTA((char*)target),CGROUP_QUOTA_comd((char*)target),yon_char_new((char*)string));