1 /*

2 * $Id: dns.c,v 1.2 2003/12/26 12:02:20 mkern Exp $

3 *

4 * Copyright (C) 2003 giFT project (gift.sourceforge.net)

5 *

6 * This program is free software; you can redistribute it and/or modify it

7 * under the terms of the GNU General Public License as published by the

8 * Free Software Foundation; either version 2, or (at your option) any

9 * later version.

10 *

11 * This program is distributed in the hope that it will be useful, but

12 * WITHOUT ANY WARRANTY; without even the implied warranty of

13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

14 * General Public License for more details.

15 */

16

17 #include "gt_gnutella.h"

18 #include "dns.h"

19

20 /*****************************************************************************/

21

22 struct hostent *gt_dns_lookup (const char *name)

23 {

24 return gethostbyname (name);

25 }

26

27 int gt_dns_get_errno (void)

28 {

29 #ifdef HAVE_HSTRERROR /* assume h_errno present if hstrerror() is */

30 return h_errno;

31 #else

32 #ifdef WIN32

33 return WSAGetLastError ();

34 #endif /* WIN32 */

35 return 0;

36 #endif

37 }

38

39 void gt_dns_set_errno (int error_code)

40 {

41 #ifdef HAVE_HSTRERROR

42 h_errno = 0;

43 #else

44 #ifdef WIN32

45 WSASetLastError (error_code);

46 #endif /* WIN32 */

47 #endif

48 }

49

50 const char *gt_dns_strerror (int error_code)

51 {

52 #ifdef HAVE_HSTRERROR

53 return hstrerror (error_code);

54 #else

55 return "Host name lookup failure";

56 #endif

57 }