X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/660d641a03456e99ea83c68dbd3d03bae2b64573..8720c8f5d78adc1b74db72a6d5a4b6dbf82137bb:/client/util.h

diff --git a/client/util.h b/client/util.h
index 1d410592..44a7eb56 100644
--- a/client/util.h
+++ b/client/util.h
@@ -16,8 +16,12 @@
 #include <ctype.h>
 #include <time.h>
 
-#define MIN(a, b) (((a) < (b)) ? (a) : (b))
-#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#ifndef MIN
+# define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+#ifndef MAX
+# define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif
 
 int ukbhit(void);
 
@@ -41,3 +45,5 @@ uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
 int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
 int param_getstr(const char *line, int paramnum, char * str);
 
+// Needed to Authenticate to Ultralight C tags & DESFIRE tags
+void rol (uint8_t *data, const size_t len);