X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1cc80785e55ed476b817b806ea8d6028367a4f7e..beb2ce1f2dd06501d2bc914d8b19a3ea65c02e8f:/client/util.h

diff --git a/client/util.h b/client/util.h
index b158ec0a..593c9af7 100644
--- a/client/util.h
+++ b/client/util.h
@@ -7,6 +7,8 @@
 //-----------------------------------------------------------------------------
 // utilities
 //-----------------------------------------------------------------------------
+#ifndef __UTIL_H_
+#define __UTIL_H_
 
 #include <stdio.h>
 #include <stdint.h>		//included in data.h
@@ -140,4 +142,6 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits);
 void rol(uint8_t *data, const size_t len);
 uint32_t SwapBits(uint32_t value, int nrbits);
 uint32_t reflect(uint32_t v, int b);
-uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
\ No newline at end of file
+uint64_t HornerScheme(uint64_t num, uint64_t divider, uint64_t factor);
+
+#endif
\ No newline at end of file