Unfuckuping my code.

terminal/nfc.c

@@ -13,6 +13,7 @@
 #define E_BAD_CARD 1
 #define E_NO_SUCH_USER 2
 #define E_FUCKUP 3
+#define E_TIMEOUT 4
 
 static nfc_device_t *g_NFCDevice = NULL;
 
@@ -61,10 +62,10 @@ int nfc_read(char *UIDOut)
             }
         }
         printf("This appears to be %s.\n", DN);
-        strncpy(UIDOut, 128, DN);
+        strncpy(UIDOut, DN, 128);
         return 0;
     }
-    return 1;
+    return E_TIMEOUT;
 }
 
 int nfc_initialize(void)

terminal/nfc.h

@@ -4,6 +4,7 @@
 #define NFC_BAD_CARD 1
 #define NFC_NO_SUCH_USER 2
 #define NFC_FUCKUP 3
+#define NFC_TIMEOUT 4
 
 int nfc_initialize(void);
 int nfc_read(char *UIDOut);