/* $NetBSD: lcl.c,v 1.1.1.2 2012/09/09 16:07:56 christos Exp $ */ /* * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 1996-1999 by Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #if !defined(LINT) && !defined(CODECENTER) static const char rcsid[] = "Id: lcl.c,v 1.4 2005/04/27 04:56:30 sra Exp "; #endif /* Imports */ #include "port_before.h" #include #include #include #include #include #include #include #include #include #include "port_after.h" #include "irs_p.h" #include "lcl_p.h" /* Forward. */ static void lcl_close(struct irs_acc *); static struct __res_state * lcl_res_get(struct irs_acc *); static void lcl_res_set(struct irs_acc *, struct __res_state *, void (*)(void *)); /* Public */ struct irs_acc * irs_lcl_acc(const char *options) { struct irs_acc *acc; struct lcl_p *lcl; UNUSED(options); if (!(acc = memget(sizeof *acc))) { errno = ENOMEM; return (NULL); } memset(acc, 0x5e, sizeof *acc); if (!(lcl = memget(sizeof *lcl))) { errno = ENOMEM; free(acc); return (NULL); } memset(lcl, 0x5e, sizeof *lcl); lcl->res = NULL; lcl->free_res = NULL; acc->private = lcl; #ifdef WANT_IRS_GR acc->gr_map = irs_lcl_gr; #else acc->gr_map = NULL; #endif #ifdef WANT_IRS_PW acc->pw_map = irs_lcl_pw; #else acc->pw_map = NULL; #endif acc->sv_map = irs_lcl_sv; acc->pr_map = irs_lcl_pr; acc->ho_map = irs_lcl_ho; acc->nw_map = irs_lcl_nw; acc->ng_map = irs_lcl_ng; acc->res_get = lcl_res_get; acc->res_set = lcl_res_set; acc->close = lcl_close; return (acc); } /* Methods */ static struct __res_state * lcl_res_get(struct irs_acc *this) { struct lcl_p *lcl = (struct lcl_p *)this->private; if (lcl->res == NULL) { struct __res_state *res; res = (struct __res_state *)malloc(sizeof *res); if (res == NULL) return (NULL); memset(res, 0, sizeof *res); lcl_res_set(this, res, free); } if ((lcl->res->options & RES_INIT) == 0U && res_ninit(lcl->res) < 0) return (NULL); return (lcl->res); } static void lcl_res_set(struct irs_acc *this, struct __res_state *res, void (*free_res)(void *)) { struct lcl_p *lcl = (struct lcl_p *)this->private; if (lcl->res && lcl->free_res) { res_nclose(lcl->res); (*lcl->free_res)(lcl->res); } lcl->res = res; lcl->free_res = free_res; } static void lcl_close(struct irs_acc *this) { struct lcl_p *lcl = (struct lcl_p *)this->private; if (lcl) { if (lcl->free_res) (*lcl->free_res)(lcl->res); memput(lcl, sizeof *lcl); } memput(this, sizeof *this); } /*! \file */