/*
utils.h -- header file for utils.c
Copyright (C) 1999-2005 Ivo Timmermans
- 2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2011 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef __TINC_UTILS_H__
#define __TINC_UTILS_H__
-extern int hex2bin(char *src, char *dst, int length);
-extern int bin2hex(char *src, char *dst, int length);
+extern int hex2bin(const char *src, char *dst, int length);
+extern int bin2hex(const char *src, char *dst, int length);
-extern int b64encode(char *src, char *dst, int length);
-extern int b64decode(char *src, char *dst, int length);
+extern int b64encode(const char *src, char *dst, int length);
+extern int b64encode_urlsafe(const char *src, char *dst, int length);
+extern int b64decode(const char *src, char *dst, int length);
#ifdef HAVE_MINGW
extern const char *winerror(int);
extern unsigned int bitfield_to_int(const void *bitfield, size_t size);
-#endif /* __TINC_UTILS_H__ */
+#endif /* __TINC_UTILS_H__ */