Merge pull request #533 from merlokk/chktd

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index cca4da88bdd04ed0ace3d044efaceebba70da8a1..c471fdf73186f5b50d54193a45ff4f9e4b0175a3 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -1094,7 +1094,7 @@ int CmdHF14AMfChk(const char *Cmd)
 \r
                                        if( buf[0]=='#' ) continue;     //The line start with # is comment, skip\r
 \r
 \r
                                        if( buf[0]=='#' ) continue;     //The line start with # is comment, skip\r
 \r

-                                       if (!isxdigit(buf[0])){\r
+                                       if (!isxdigit((unsigned char)buf[0])){\r

                                                PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r
                                                continue;\r
                                        }\r
                                                PrintAndLog("File content error. '%s' must include 12 HEX symbols",buf);\r
                                                continue;\r
                                        }\r