feat: moved block dev loop to a daemon task. Fixed bug in string.c and

main loop

kernel/command.c

@@ -42,10 +42,10 @@ void echo(const char *arg);
 void help(const char *arg);
 
 cmd_handler cmd_handlers[] = {
-        {"help",  help},
-        {"echo",  echo},
-        {"print", print},
-        {"ide",   ide},
+        {"help\0",  help},
+        {"echo\0",  echo},
+        {"print\0", print},
+        {"ide\0",   ide},
         {NULL, NULL},
 };
 
@@ -127,8 +127,9 @@ void store_bootloader_info(multiboot_info_t *multiboot_info) {
 void noreturn main_loop(void* data) {
     while (true) {
         char *msg = readline(NULL);
-        char *args = strchr(msg, ' ') + 1;
-        args[-1] = 0;
+        char *args = strchr(msg, ' ');
+        args[0] = 0;
+        args = &args[1];
         int test_index = 0;
         while (true) {
             if (cmd_handlers[test_index].cmd == 0) {