diff src/dns.c @ 0:d39e1d0d75b6

initial add
author paulo@hit-nxdomain.opendns.com
date Sat, 20 Feb 2010 21:18:28 -0800
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/dns.c	Sat Feb 20 21:18:28 2010 -0800
     1.3 @@ -0,0 +1,57 @@
     1.4 +/*
     1.5 + * $Id: dns.c,v 1.2 2003/12/26 12:02:20 mkern Exp $
     1.6 + *
     1.7 + * Copyright (C) 2003 giFT project (gift.sourceforge.net)
     1.8 + *
     1.9 + * This program is free software; you can redistribute it and/or modify it
    1.10 + * under the terms of the GNU General Public License as published by the
    1.11 + * Free Software Foundation; either version 2, or (at your option) any
    1.12 + * later version.
    1.13 + *
    1.14 + * This program is distributed in the hope that it will be useful, but
    1.15 + * WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.17 + * General Public License for more details.
    1.18 + */
    1.19 +
    1.20 +#include "gt_gnutella.h"
    1.21 +#include "dns.h"
    1.22 +
    1.23 +/*****************************************************************************/
    1.24 +
    1.25 +struct hostent *gt_dns_lookup (const char *name)
    1.26 +{
    1.27 +	return gethostbyname (name);
    1.28 +}
    1.29 +
    1.30 +int gt_dns_get_errno (void)
    1.31 +{
    1.32 +#ifdef HAVE_HSTRERROR /* assume h_errno present if hstrerror() is */
    1.33 +	return h_errno;
    1.34 +#else
    1.35 +#ifdef WIN32
    1.36 +	return WSAGetLastError ();
    1.37 +#endif /* WIN32 */
    1.38 +	return 0;
    1.39 +#endif
    1.40 +}
    1.41 +
    1.42 +void gt_dns_set_errno (int error_code)
    1.43 +{
    1.44 +#ifdef HAVE_HSTRERROR
    1.45 +	h_errno = 0;
    1.46 +#else
    1.47 +#ifdef WIN32
    1.48 +	WSASetLastError (error_code);
    1.49 +#endif /* WIN32 */
    1.50 +#endif
    1.51 +}
    1.52 +
    1.53 +const char *gt_dns_strerror (int error_code)
    1.54 +{
    1.55 +#ifdef HAVE_HSTRERROR
    1.56 +	return hstrerror (error_code);
    1.57 +#else
    1.58 +	return "Host name lookup failure";
    1.59 +#endif
    1.60 +}