pjlib/src/pj/addr_resolv_sock.c

/* $Id$ */
/* 
 * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */
#include <pj/addr_resolv.h>
#include <pj/assert.h>
#include <pj/string.h>
#include <pj/compat/socket.h>
#include <pj/errno.h>


PJ_DEF(pj_status_t) pj_gethostbyname(const pj_str_t *hostname, pj_hostent *phe)
{
    struct hostent *he;
    char copy[PJ_MAX_HOSTNAME];

    pj_assert(hostname && hostname ->slen < PJ_MAX_HOSTNAME);
    
    if (hostname->slen >= PJ_MAX_HOSTNAME)
	return PJ_ENAMETOOLONG;

    pj_memcpy(copy, hostname->ptr, hostname->slen);
    copy[ hostname->slen ] = '\0';

    he = gethostbyname(copy);
    if (!he)
	return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());

    phe->h_name = he->h_name;
    phe->h_aliases = he->h_aliases;
    phe->h_addrtype = he->h_addrtype;
    phe->h_length = he->h_length;
    phe->h_addr_list = he->h_addr_list;

    return PJ_SUCCESS;
}