+/*
+ utils.h -- header file for utils.c
+ Copyright (C) 1999-2005 Ivo Timmermans
+ 2000-2009 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __TINC_UTILS_H__
+#define __TINC_UTILS_H__
+
+extern void hex2bin(char *src, char *dst, int length);
+extern void bin2hex(char *src, char *dst, int length);
+
+#ifdef HAVE_MINGW
+extern const char *winerror(int);
+#define strerror(x) ((x)>0?strerror(x):winerror(GetLastError()))
+#define sockerrno WSAGetLastError()
+#define sockstrerror(x) winerror(x)
+#define sockwouldblock(x) ((x) == WSAEWOULDBLOCK || (x) == WSAEINTR)
+#define sockmsgsize(x) ((x) == WSAEMSGSIZE)
+#define sockinprogress(x) ((x) == WSAEINPROGRESS || (x) == WSAEWOULDBLOCK)
+#define sockinuse(x) ((x) == WSAEADDRINUSE)
+#else
+#define sockerrno errno
+#define sockstrerror(x) strerror(x)
+#define sockwouldblock(x) ((x) == EWOULDBLOCK || (x) == EINTR)
+#define sockmsgsize(x) ((x) == EMSGSIZE)
+#define sockinprogress(x) ((x) == EINPROGRESS)
+#define sockinuse(x) ((x) == EADDRINUSE)
+#endif
+
+extern unsigned int bitfield_to_int(void *bitfield, size_t size);
+
+#endif /* __TINC_UTILS_H__ */