.ref-BSD-4_3_Net_2/usr/src/contrib/isode/compat/isohost.c

/* isohost.c - getlocalhost */

#ifndef lint
static char *rcsid = "$Header: /f/osi/compat/RCS/isohost.c,v 7.1 91/02/22 09:15:21 mrose Interim $";
#endif

/*
 * $Header: /f/osi/compat/RCS/isohost.c,v 7.1 91/02/22 09:15:21 mrose Interim $
 *
 *
 * $Log:        isohost.c,v $
 * Revision 7.1  91/02/22  09:15:21  mrose
 * Interim 6.8
 *
 * Revision 7.0  89/11/23  21:23:08  mrose
 * Release 6.0
 *
 */

/*
 *                                NOTICE
 *
 *    Acquisition, use, and distribution of this module and related
 *    materials are subject to the restrictions of a license agreement.
 *    Consult the Preface in the User's Manual for the full terms of
 *    this agreement.
 *
 */


/* LINTLIBRARY */

#include <stdio.h>
#include "general.h"
#include "manifest.h"
#ifdef  TCP
#include "internet.h"
#endif
#include "tailor.h"
#ifdef  SYS5
#include <sys/utsname.h>
#endif

/* \f */

char   *getlocalhost () {
    register char   *cp;
#ifdef  TCP
    register struct hostent *hp;
#endif
#ifdef  SYS5
    struct utsname uts;
#endif
    static char buffer[BUFSIZ];

    if (buffer[0])
        return buffer;

    isodetailor (NULLCP, 0);
    if (*isodename)
        (void) strcpy (buffer, isodename);
    else {
#if     !defined(SOCKETS) && !defined(SYS5)
        (void) strcpy (buffer, "localhost");
#endif
#ifdef  SOCKETS
        (void) gethostname (buffer, sizeof buffer);
#endif
#ifdef  SYS5
        (void) uname (&uts);
        (void) strcpy (buffer, uts.nodename);
#endif

#ifdef  TCP
        if (hp = gethostbyname (buffer))
            (void) strcpy (buffer, hp -> h_name);
        else
            SLOG (addr_log, LLOG_EXCEPTIONS, NULLCP,
                  ("%s: unknown host", buffer));
#endif

        if (cp = index (buffer, '.'))
            *cp = NULL;
    }

    return buffer;
}