From: Alexis Green <alexis@cessp.it>
Date: Mon, 1 Aug 2016 20:03:46 +0000 (-0700)
Subject: Fixing warning:
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/6e321dd8f3af554fd5f670be4c2e96e993e69ad1?hp=981aefe33dc0fe53eb03828e559eb6d37c6a9573

Fixing warning:
	warning: ignoring return va 'scanf', declared with attribute warn_unused_result [-Wunused-result]
---

diff --git a/client/cmdhflegic.c b/client/cmdhflegic.c
index ccdfa1da..0adf3c59 100644
--- a/client/cmdhflegic.c
+++ b/client/cmdhflegic.c
@@ -527,8 +527,7 @@ int CmdLegicRfRawWrite(const char *Cmd) {
 		PrintAndLog("# changing the DCF is irreversible  #");
 		PrintAndLog("#####################################");
 		PrintAndLog("do youe really want to continue? y(es) n(o)");		
-		scanf(" %c", &answer);
-		if (answer == 'y' || answer == 'Y') {
+		if (scanf(" %c", &answer) > 0 && (answer == 'y' || answer == 'Y')) {
 			SendCommand(&c);
 			return 0;
 		}