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/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user or with the express written consent of
 * Sun Microsystems, Inc.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)rpcdname.c 1.7 91/03/11 Copyr 1989 Sun Micro";
#endif
 
/*
 * rpcdname.c
 * Gets the default domain name
 */
 
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <rpc/rpc.h>
 
#define default_domain ((char *)((struct rtems_rpc_task_variables *)rtems_rpc_task_variables)->rpcdname_default_domain)
 
static char *
get_default_domain()
{
	char temp[256];
 
	if (default_domain)
		return (default_domain);
	if (getdomainname(temp, sizeof(temp)) < 0)
		return (0);
	if ((int) strlen(temp) > 0) {
		default_domain = (char *)malloc((strlen(temp)+(unsigned)1));
		if (default_domain == 0)
			return (0);
		(void) strcpy(default_domain, temp);
		return (default_domain);
	}
	return (0);
}
 
/*
 * This is a wrapper for the system call getdomainname which returns a
 * ypclnt.h error code in the failure case.  It also checks to see that
 * the domain name is non-null, knowing that the null string is going to
 * get rejected elsewhere in the NIS client package.
 */
int
_rpc_get_default_domain(domain)
	char **domain;
{
	if ((*domain = get_default_domain()) != 0)
		return (0);
	return (-1);
}