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Diffstat (limited to 'contrib/bind/lib/irs/gen_pr.c')
-rw-r--r--contrib/bind/lib/irs/gen_pr.c66
1 files changed, 59 insertions, 7 deletions
diff --git a/contrib/bind/lib/irs/gen_pr.c b/contrib/bind/lib/irs/gen_pr.c
index 096be513c898..de0957165bf7 100644
--- a/contrib/bind/lib/irs/gen_pr.c
+++ b/contrib/bind/lib/irs/gen_pr.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1996 by Internet Software Consortium.
+ * 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
@@ -16,7 +16,7 @@
*/
#if !defined(LINT) && !defined(CODECENTER)
-static char rcsid[] = "$Id: gen_pr.c,v 1.8 1997/12/04 04:57:51 halley Exp $";
+static const char rcsid[] = "$Id: gen_pr.c,v 1.12 1999/10/13 16:39:30 vixie Exp $";
#endif
/* Imports */
@@ -24,11 +24,15 @@ static char rcsid[] = "$Id: gen_pr.c,v 1.8 1997/12/04 04:57:51 halley Exp $";
#include "port_before.h"
#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
#include <errno.h>
+#include <resolv.h>
#include <stdlib.h>
#include <string.h>
+#include <isc/memcluster.h>
#include <irs.h>
#include "port_after.h"
@@ -41,6 +45,8 @@ static char rcsid[] = "$Id: gen_pr.c,v 1.8 1997/12/04 04:57:51 halley Exp $";
struct pvt {
struct irs_rule * rules;
struct irs_rule * rule;
+ struct __res_state * res;
+ void (*free_res)(void *);
};
/* Forward */
@@ -51,6 +57,10 @@ 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 */
@@ -60,13 +70,13 @@ irs_gen_pr(struct irs_acc *this) {
struct irs_pr *pr;
struct pvt *pvt;
- if (!(pr = (struct irs_pr *)malloc(sizeof *pr))) {
+ if (!(pr = memget(sizeof *pr))) {
errno = ENOMEM;
return (NULL);
}
memset(pr, 0x5e, sizeof *pr);
- if (!(pvt = (struct pvt *)malloc(sizeof *pvt))) {
- free(pr);
+ if (!(pvt = memget(sizeof *pvt))) {
+ memput(pr, sizeof *pr);
errno = ENOMEM;
return (NULL);
}
@@ -80,6 +90,8 @@ irs_gen_pr(struct irs_acc *this) {
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);
}
@@ -89,8 +101,8 @@ static void
pr_close(struct irs_pr *this) {
struct pvt *pvt = (struct pvt *)this->private;
- free(pvt);
- free(this);
+ memput(pvt, sizeof *pvt);
+ memput(this, sizeof *this);
}
static struct protoent *
@@ -172,3 +184,43 @@ pr_minimize(struct irs_pr *this) {
(*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);
+ }
+}