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author | peter <peter@FreeBSD.org> | 2008-07-12 05:00:28 +0000 |
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committer | peter <peter@FreeBSD.org> | 2008-07-12 05:00:28 +0000 |
commit | ba8f85b49c38af7bc2a9acdef5dcde2de008d25e (patch) | |
tree | ceac31a567976fd5866cb5791b059781f6e045de /lib/bind/irs/lcl.c | |
parent | 0f328cea2580ffb8f9e363be671a517787111472 (diff) | |
download | FreeBSD-src-ba8f85b49c38af7bc2a9acdef5dcde2de008d25e.zip FreeBSD-src-ba8f85b49c38af7bc2a9acdef5dcde2de008d25e.tar.gz |
Flatten bind9 vendor work area
Diffstat (limited to 'lib/bind/irs/lcl.c')
-rw-r--r-- | lib/bind/irs/lcl.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/lib/bind/irs/lcl.c b/lib/bind/irs/lcl.c new file mode 100644 index 0000000..930c87e --- /dev/null +++ b/lib/bind/irs/lcl.c @@ -0,0 +1,142 @@ +/* + * 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 1.3.18.1 2005/04/27 05:01:02 sra Exp $"; +#endif + +/* Imports */ + +#include "port_before.h" + +#include <stdlib.h> +#include <errno.h> +#include <string.h> + +#include <sys/types.h> +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <resolv.h> + +#include <isc/memcluster.h> + +#include <irs.h> + +#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 */ |