1 /* $OpenBSD: res_init.c,v 1.1 2012/09/08 11:08:21 eric Exp $ */ 2 /* 3 * Copyright (c) 2012 Eric Faurot <eric@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <sys/types.h> 19 #include <netinet/in.h> 20 21 #include <resolv.h> 22 23 #include "asr.h" 24 25 /* 26 * XXX these function is actually internal to asr, but we use it here to force 27 * the creation a default resolver context in res_init(). 28 */ 29 struct asr_ctx *asr_use_resolver(struct asr *); 30 void asr_ctx_unref(struct asr_ctx *); 31 32 struct __res_state _res; 33 struct __res_state_ext _res_ext; 34 35 int h_errno; 36 37 int 38 res_init(void) 39 { 40 async_resolver_done(NULL); 41 asr_ctx_unref(asr_use_resolver(NULL)); 42 43 return (0); 44 } 45