1 files changed, 13 insertions, 6 deletions
diff --git a/src/commands/command.c b/src/commands/command.c
index ee53c90..eeac08e 100644
--- a/src/commands/command.c
+++ b/src/commands/command.c
@@ -1,17 +1,24 @@
 #include "../graphics/graphics.h"
 #include "../lib/lib.h"
+#include "../io/io.h"
 
 int32_t starts_with(const char *a, const char *b) {
-    if (strcmp(a, b, strlen(b)) == 0)
-        return 1
-    return 0
+    size_t length_pre = strlen(b);
+    size_t length_main = strlen(a);
+    return length_main < length_pre ? 0 : memory_compare(b, a, length_pre) == 0;
 }
 
+extern void shutdown();
+
 void exec_command(char *command) {
     if (starts_with(command, "ls"))
-        terminal_write_string("// listing files");
+        terminal_write_line("Listing files");
     else if (starts_with(command, "help"))
-	terminal_write_string("I can't help you write now");
+        terminal_write_line("I can't help you write now");
     else if (starts_with(command, "ping"))
-	terminal_write_string("pong!")
+        terminal_write_line("pong!");
+    else if (starts_with(command, "shutdown"))
+        shutdown();
+    else
+        terminal_write_line("Command not found!");
 }