h_errno.c revision 158792
1173147Srwatson/*- 2156287Srwatson * Copyright (c) 2006 The FreeBSD Project. All rights reserved. 3156287Srwatson * 4156287Srwatson * Redistribution and use in source and binary forms, with or without 5156287Srwatson * modification, are permitted provided that the following conditions 6156287Srwatson * are met: 7156287Srwatson * 1. Redistributions of source code must retain the above copyright 8195740Srwatson * notice, this list of conditions and the following disclaimer. 9156287Srwatson * 2. Redistributions in binary form must reproduce the above copyright 10186648Srwatson * notice, this list of conditions and the following disclaimer in the 11195740Srwatson * documentation and/or other materials provided with the distribution. 12186648Srwatson * 13156287Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14156287Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15156287Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16156287Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17156287Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18156287Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19161634Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20161634Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21161634Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22156287Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23156287Srwatson * SUCH DAMAGE. 24156287Srwatson * 25156287Srwatson * $FreeBSD: head/lib/libc/resolv/h_errno.c 158792 2006-05-21 11:29:26Z ume $ 26156287Srwatson */ 27156287Srwatson 28156287Srwatson#include <sys/types.h> 29156287Srwatson#include <netinet/in.h> 30156287Srwatson#include <arpa/nameser.h> 31156287Srwatson#include <resolv.h> 32156287Srwatson 33156287Srwatson#undef h_errno 34156287Srwatsonextern int h_errno; 35195740Srwatson 36156287Srwatsonint * 37156287Srwatson__h_errno(void) 38156287Srwatson{ 39156287Srwatson return (&__res_state()->res_h_errno); 40156287Srwatson} 41156287Srwatson 42156287Srwatsonvoid 43156287Srwatson__h_errno_set(res_state res, int err) 44156287Srwatson{ 45156287Srwatson h_errno = res->res_h_errno = err; 46185573Srwatson} 47185573Srwatson