diff options
Diffstat (limited to 'contrib/bind/lib/irs/gen_pr.c')
| -rw-r--r-- | contrib/bind/lib/irs/gen_pr.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/contrib/bind/lib/irs/gen_pr.c b/contrib/bind/lib/irs/gen_pr.c deleted file mode 100644 index de09571..0000000 --- a/contrib/bind/lib/irs/gen_pr.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE - * CONSORTIUM 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: gen_pr.c,v 1.12 1999/10/13 16:39:30 vixie Exp $"; -#endif - -/* Imports */ - -#include "port_before.h" - -#include <sys/types.h> -#include <netinet/in.h> -#include <arpa/nameser.h> - -#include <errno.h> -#include <resolv.h> -#include <stdlib.h> -#include <string.h> - -#include <isc/memcluster.h> -#include <irs.h> - -#include "port_after.h" - -#include "irs_p.h" -#include "gen_p.h" - -/* Types */ - -struct pvt { - struct irs_rule * rules; - struct irs_rule * rule; - struct __res_state * res; - void (*free_res)(void *); -}; - -/* Forward */ - -static void pr_close(struct irs_pr*); -static struct protoent * pr_next(struct irs_pr *); -static struct protoent * pr_byname(struct irs_pr *, const char *); -static struct protoent * pr_bynumber(struct irs_pr *, int); -static void pr_rewind(struct irs_pr *); -static void pr_minimize(struct irs_pr *); -static struct __res_state * pr_res_get(struct irs_pr *); -static void pr_res_set(struct irs_pr *, - struct __res_state *, - void (*)(void *)); - -/* Public */ - -struct irs_pr * -irs_gen_pr(struct irs_acc *this) { - struct gen_p *accpvt = (struct gen_p *)this->private; - struct irs_pr *pr; - struct pvt *pvt; - - if (!(pr = memget(sizeof *pr))) { - errno = ENOMEM; - return (NULL); - } - memset(pr, 0x5e, sizeof *pr); - if (!(pvt = memget(sizeof *pvt))) { - memput(pr, sizeof *pr); - errno = ENOMEM; - return (NULL); - } - memset(pvt, 0, sizeof *pvt); - pvt->rules = accpvt->map_rules[irs_pr]; - pvt->rule = pvt->rules; - pr->private = pvt; - pr->close = pr_close; - pr->next = pr_next; - pr->byname = pr_byname; - pr->bynumber = pr_bynumber; - pr->rewind = pr_rewind; - pr->minimize = pr_minimize; - pr->res_get = pr_res_get; - pr->res_set = pr_res_set; - return (pr); -} - -/* Methods */ - -static void -pr_close(struct irs_pr *this) { - struct pvt *pvt = (struct pvt *)this->private; - - memput(pvt, sizeof *pvt); - memput(this, sizeof *this); -} - -static struct protoent * -pr_next(struct irs_pr *this) { - struct pvt *pvt = (struct pvt *)this->private; - struct protoent *rval; - struct irs_pr *pr; - - while (pvt->rule) { - pr = pvt->rule->inst->pr; - rval = (*pr->next)(pr); - if (rval) - return (rval); - if (!(pvt->rules->flags & IRS_CONTINUE)) - break; - pvt->rule = pvt->rule->next; - if (pvt->rule) { - pr = pvt->rule->inst->pr; - (*pr->rewind)(pr); - } - } - return (NULL); -} - -static struct protoent * -pr_byname(struct irs_pr *this, const char *name) { - struct pvt *pvt = (struct pvt *)this->private; - struct irs_rule *rule; - struct protoent *rval; - struct irs_pr *pr; - - rval = NULL; - for (rule = pvt->rules; rule; rule = rule->next) { - pr = rule->inst->pr; - rval = (*pr->byname)(pr, name); - if (rval || !(rule->flags & IRS_CONTINUE)) - break; - } - return (rval); -} - -static struct protoent * -pr_bynumber(struct irs_pr *this, int proto) { - struct pvt *pvt = (struct pvt *)this->private; - struct irs_rule *rule; - struct protoent *rval; - struct irs_pr *pr; - - rval = NULL; - for (rule = pvt->rules; rule; rule = rule->next) { - pr = rule->inst->pr; - rval = (*pr->bynumber)(pr, proto); - if (rval || !(rule->flags & IRS_CONTINUE)) - break; - } - return (rval); -} - -static void -pr_rewind(struct irs_pr *this) { - struct pvt *pvt = (struct pvt *)this->private; - struct irs_pr *pr; - - pvt->rule = pvt->rules; - if (pvt->rule) { - pr = pvt->rule->inst->pr; - (*pr->rewind)(pr); - } -} - -static void -pr_minimize(struct irs_pr *this) { - struct pvt *pvt = (struct pvt *)this->private; - struct irs_rule *rule; - - for (rule = pvt->rules; rule != NULL; rule = rule->next) { - struct irs_pr *pr = rule->inst->pr; - - (*pr->minimize)(pr); - } -} - -static struct __res_state * -pr_res_get(struct irs_pr *this) { - struct pvt *pvt = (struct pvt *)this->private; - - if (!pvt->res) { - struct __res_state *res; - res = (struct __res_state *)malloc(sizeof *res); - if (!res) { - errno = ENOMEM; - return (NULL); - } - memset(res, 0, sizeof *res); - pr_res_set(this, res, free); - } - - return (pvt->res); -} - -static void -pr_res_set(struct irs_pr *this, struct __res_state *res, - void (*free_res)(void *)) { - struct pvt *pvt = (struct pvt *)this->private; - struct irs_rule *rule; - - if (pvt->res && pvt->free_res) { - res_nclose(pvt->res); - (*pvt->free_res)(pvt->res); - } - - pvt->res = res; - pvt->free_res = free_res; - - for (rule = pvt->rules; rule != NULL; rule = rule->next) { - struct irs_pr *pr = rule->inst->pr; - - if (pr->res_set) - (*pr->res_set)(pr, pvt->res, NULL); - } -} |
