/* * Copyright (c) 1985 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if defined(LIBC_SCCS) && !defined(lint) /*static char *sccsid = "from: @(#)res_internal.h 6.22 (Berkeley) 3/19/91";*/ static char *rcsid = "$Id$"; #endif /* LIBC_SCCS and not lint */ #ifndef _RES_INTERNAL_H #define _RES_INTERNAL_H #include <pthread.h> #include <netdb.h> #include <resolv.h> #define HOST_BUFSIZE 4096 #undef ALIGN #define ALIGN(p, t) ((char *)(((((long)(p) - 1) / sizeof(t)) + 1) * sizeof(t))) #define SP(p, t, n) (ALIGN(p, t) + (n) * sizeof(t)) struct res_data { char *buf; struct __res_state state; int errval; int sock; }; #if PACKETSZ > 1024 #define MAXPACKET PACKETSZ #else #define MAXPACKET 1024 #endif typedef union { HEADER hdr; unsigned char buf[MAXPACKET]; } querybuf; typedef union { long al; char ac; } align; extern pthread_mutex_t host_iterate_lock; __BEGIN_DECLS struct hostent *_res_parse_answer(querybuf *answer, int anslen, int iquery, struct hostent *result, char *buf, int buflen, int *errval); void _res_set_error(int val); struct res_data *_res_init(void); __END_DECLS #endif