FIX: `lf guard sim` - helptext change and increase arguments expected check to 3

diff --git a/client/cmdlfguard.c b/client/cmdlfguard.c
index 49b411d82f6646d926a0fb43cb6372cc04744fd3..66cc396b0fc149fc94ac0e6cb9cb850989f4fb67 100644 (file)
--- a/client/cmdlfguard.c
+++ b/client/cmdlfguard.c
@@ -31,13 +31,13 @@ int usage_lf_guard_sim(void) {
        PrintAndLog("The facility-code is 8-bit and the card number is 16-bit.  Larger values are truncated.");
        PrintAndLog("Currently work only on 26bit");
        PrintAndLog("");
-       PrintAndLog("Usage:  lf guard sim <format> <Card-Number>");
+       PrintAndLog("Usage:  lf guard sim <format> <Facility-Code> <Card-Number>");
        PrintAndLog("Options :");
        PrintAndLog("         <format> :  format length 26|32|36|40");  
        PrintAndLog("  <Facility-Code> :  8-bit value facility code");
        PrintAndLog("  <Card Number>   : 16-bit value card number");
        PrintAndLog("");
-       PrintAndLog("Sample  : lf guard sim 123 11223");
+       PrintAndLog("Sample  : lf guard sim 26 123 11223");
        return 0;
 }
 
@@ -207,7 +207,7 @@ int CmdGuardSim(const char *Cmd) {
        uint8_t bs[96];
        memset(bs, 0x00, sizeof(bs));
        
-       if (sscanf(Cmd, "%u %u %u", &fmtlen, &fc, &cn ) != 2) return usage_lf_guard_sim();
+       if (sscanf(Cmd, "%u %u %u", &fmtlen, &fc, &cn ) != 3) return usage_lf_guard_sim();
 
        fmtlen &= 0x7F;
        facilitycode = (fc & 0x000000FF);