1 /*
2  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  * Copyright 1993 by OpenVision Technologies, Inc.
10  *
11  * Permission to use, copy, modify, distribute, and sell this software
12  * and its documentation for any purpose is hereby granted without fee,
13  * provided that the above copyright notice appears in all copies and
14  * that both that copyright notice and this permission notice appear in
15  * supporting documentation, and that the name of OpenVision not be used
16  * in advertising or publicity pertaining to distribution of the software
17  * without specific, written prior permission. OpenVision makes no
18  * representations about the suitability of this software for any
19  * purpose.  It is provided "as is" without express or implied warranty.
20  *
21  * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
22  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
23  * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
24  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
25  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
26  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
27  * PERFORMANCE OF THIS SOFTWARE.
28  */
29 
30 /*
31  * $Id: util_localhost.c,v 1.1 1996/04/12 00:39:38 marc Exp $
32  */
33 
34 /* This file could be OS specific */
35 
36 /*
37  * Solaris Kerberos:  the MAXHOSTNAMELEN is defined in <netdb.h> not
38  * in <sys/param.h>, and gethostname requires <unistd.h>
39  */
40 #include <unistd.h>
41 #include <netdb.h>
42 #include <string.h>
43 
44 #include <gssapiP_generic.h>
45 
46 #ifndef MAXHOSTNAMELEN
47 #define MAXHOSTNAMELEN 64
48 #endif
49 
50 char *g_local_host_name()
51 {
52      char buf[MAXHOSTNAMELEN+1], *ptr;
53 
54      if (gethostname(buf, sizeof(buf)) < 0)
55 	  return 0;
56 
57      buf[sizeof(buf)-1] = '\0';
58 
59      if (! (ptr = xmalloc(strlen(buf) + 1)))
60 	  return 0;
61 
62      return strcpy(ptr, buf);
63 }
64