Merge branch 'iclass-research' of https://github.com/PenturaLabs/proxmark3 into PenturaLabs-iclass-research

Conflicts:
	README.txt
	armsrc/apps.h
	client/Makefile
	client/cmdhficlass.c
	client/cmdhficlass.h

client/loclass/fileutils.h

@@ -0,0 +1,24 @@
+#ifndef FILEUTILS_H
+#define FILEUTILS_H
+/**
+ * @brief Utility function to save data to a file. This method takes a preferred name, but if that
+ * file already exists, it tries with another name until it finds something suitable.
+ * E.g. dumpdata-15.txt
+ * @param preferredName
+ * @param suffix the file suffix. Leave out the ".".
+ * @param data The binary data to write to the file
+ * @param datalen the length of the data
+ * @return 0 for ok, 1 for failz
+ */
+int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen);
+
+
+/**
+ * Utility function to print to console. This is used consistently within the library instead
+ * of printf, but it actually only calls printf. The reason to have this method is to
+ *make it simple to plug this library into proxmark, which has this function already to
+ * write also to a logfile. When doing so, just point this function to use PrintAndLog
+ * @param fmt
+ */
+void prnlog(char *fmt, ...);
+#endif // FILEUTILS_H