/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1995 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#include "uucp.h"

/*
 * get the uucp name
 * return:
 *      none
 */
void
uucpname(name)
register char *name;
{
        char *s;
        char NameBuf[MAXBASENAME + 1];
        FILE *NameFile;

        NameBuf[0] = '\0';
        if ((NameFile = fopen(SYSNAMEFILE, "r")) != NULL) {
                if (fscanf(NameFile, "%14s", NameBuf) != 1) {
                        (void) fprintf(stderr,
                                gettext("No system name specified in %s\n"),
                                SYSNAMEFILE);
                        cleanup(-1);
                }
                s = NameBuf;
                (void) fclose(NameFile);
        } else {
#ifdef BSD4_2
        char    NameBuf[MAXBASENAME + 1];

        gethostname(NameBuf, MAXBASENAME);
        /* strip off any domain name part */
        if ((s = index(NameBuf, '.')) != NULL)
                *s = '\0';
        s = NameBuf;
        s[MAXBASENAME] = '\0';
#else /* !BSD4_2 */
#ifdef UNAME
        struct utsname utsn;

        uname(&utsn);
        s = utsn.nodename;
#else /* !UNAME */
        char    NameBuf[MAXBASENAME + 1], *strchr();
        FILE    *NameFile;

        s = MYNAME;
        NameBuf[0] = '\0';

        if ((NameFile = fopen("/etc/whoami", "r")) != NULL) {
                /* etc/whoami wins */
                (void) fgets(NameBuf, MAXBASENAME + 1, NameFile);
                (void) fclose(NameFile);
                NameBuf[MAXBASENAME] = '\0';
                if (NameBuf[0] != '\0') {
                        if ((s = strchr(NameBuf, '\n')) != NULL)
                                *s = '\0';
                        s = NameBuf;
                }
        }
#endif /* UNAME */
#endif /* BSD4_2 */
        }

        (void) strncpy(name, s, MAXBASENAME);
        name[MAXBASENAME] = '\0';
        /* strip off any domain name from the host name */
        if ((s = strchr(name, '.')) != NULL)
                *s = '\0';
        return;
}