From edf8806f154a5015c2498253f7be07ebb088d84d Mon Sep 17 00:00:00 2001
From: pwpiwi <pwpiwi@users.noreply.github.com>
Date: Thu, 13 Jul 2017 18:12:53 +0200
Subject: [PATCH] fix lf io clone (issue #331): - remove confusing message
 about simulation - add h (help) parameter and usage text

---
 client/cmdlfio.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/client/cmdlfio.c b/client/cmdlfio.c
index c71928ec..4ccd5538 100644
--- a/client/cmdlfio.c
+++ b/client/cmdlfio.c
@@ -133,20 +133,21 @@ int CmdIOClone(const char *Cmd)
 {
   unsigned int hi = 0, lo = 0;
   int n = 0, i = 0;
+  char ch;
   UsbCommand c;
 
-  
-  //if (1 == sscanf(str, "0x%"SCNx32, &hi)) {
-    // value now contains the value in the string--decimal 255, in this case.
-  //}
-  
   while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
       hi = (hi << 4) | (lo >> 28);
       lo = (lo << 4) | (n & 0xf);
   }
 
-  PrintAndLog("Cloning tag with ID %08x %08x", hi, lo);
-  PrintAndLog("Press pm3-button to abort simulation");
+  if (sscanf(&Cmd[--i], "%c", &ch) == 1) {
+	  PrintAndLog("Usage:    lf io clone <tag-ID>");
+	  return 0;
+  }
+  
+  PrintAndLog("Cloning ioProx tag with ID %08x %08x", hi, lo);
+
   c.cmd = CMD_IO_CLONE_TAG;
   c.arg[0] = hi;
   c.arg[1] = lo;
-- 
2.39.2