paulo@0: /*
paulo@0:  * $Id: dns.c,v 1.2 2003/12/26 12:02:20 mkern Exp $
paulo@0:  *
paulo@0:  * Copyright (C) 2003 giFT project (gift.sourceforge.net)
paulo@0:  *
paulo@0:  * This program is free software; you can redistribute it and/or modify it
paulo@0:  * under the terms of the GNU General Public License as published by the
paulo@0:  * Free Software Foundation; either version 2, or (at your option) any
paulo@0:  * later version.
paulo@0:  *
paulo@0:  * This program is distributed in the hope that it will be useful, but
paulo@0:  * WITHOUT ANY WARRANTY; without even the implied warranty of
paulo@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
paulo@0:  * General Public License for more details.
paulo@0:  */
paulo@0: 
paulo@0: #include "gt_gnutella.h"
paulo@0: #include "dns.h"
paulo@0: 
paulo@0: /*****************************************************************************/
paulo@0: 
paulo@0: struct hostent *gt_dns_lookup (const char *name)
paulo@0: {
paulo@0: 	return gethostbyname (name);
paulo@0: }
paulo@0: 
paulo@0: int gt_dns_get_errno (void)
paulo@0: {
paulo@0: #ifdef HAVE_HSTRERROR /* assume h_errno present if hstrerror() is */
paulo@0: 	return h_errno;
paulo@0: #else
paulo@0: #ifdef WIN32
paulo@0: 	return WSAGetLastError ();
paulo@0: #endif /* WIN32 */
paulo@0: 	return 0;
paulo@0: #endif
paulo@0: }
paulo@0: 
paulo@0: void gt_dns_set_errno (int error_code)
paulo@0: {
paulo@0: #ifdef HAVE_HSTRERROR
paulo@0: 	h_errno = 0;
paulo@0: #else
paulo@0: #ifdef WIN32
paulo@0: 	WSASetLastError (error_code);
paulo@0: #endif /* WIN32 */
paulo@0: #endif
paulo@0: }
paulo@0: 
paulo@0: const char *gt_dns_strerror (int error_code)
paulo@0: {
paulo@0: #ifdef HAVE_HSTRERROR
paulo@0: 	return hstrerror (error_code);
paulo@0: #else
paulo@0: 	return "Host name lookup failure";
paulo@0: #endif
paulo@0: }