diff options
Diffstat (limited to 'contrib/bind/lib/irs/gen_sv.c')
| -rw-r--r-- | contrib/bind/lib/irs/gen_sv.c | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/contrib/bind/lib/irs/gen_sv.c b/contrib/bind/lib/irs/gen_sv.c index 22f0cde..e0c1cb6 100644 --- a/contrib/bind/lib/irs/gen_sv.c +++ b/contrib/bind/lib/irs/gen_sv.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_sv.c,v 1.8 1997/12/04 04:57:52 halley Exp $"; +static const char rcsid[] = "$Id: gen_sv.c,v 1.12 1999/10/13 16:39:30 vixie Exp $"; #endif /* Imports */ @@ -24,11 +24,15 @@ static char rcsid[] = "$Id: gen_sv.c,v 1.8 1997/12/04 04:57:52 halley Exp $"; #include "port_before.h" #include <sys/types.h> +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <resolv.h> #include <errno.h> #include <stdlib.h> #include <string.h> +#include <isc/memcluster.h> #include <irs.h> #include "port_after.h" @@ -41,6 +45,8 @@ static char rcsid[] = "$Id: gen_sv.c,v 1.8 1997/12/04 04:57:52 halley Exp $"; struct pvt { struct irs_rule * rules; struct irs_rule * rule; + struct __res_state * res; + void (*free_res)(void *); }; /* Forward */ @@ -52,6 +58,10 @@ static struct servent * sv_byname(struct irs_sv *, const char *, static struct servent * sv_byport(struct irs_sv *, int, const char *); static void sv_rewind(struct irs_sv *); static void sv_minimize(struct irs_sv *); +static struct __res_state * sv_res_get(struct irs_sv *); +static void sv_res_set(struct irs_sv *, + struct __res_state *, + void (*)(void *)); /* Public */ @@ -61,13 +71,13 @@ irs_gen_sv(struct irs_acc *this) { struct irs_sv *sv; struct pvt *pvt; - if (!(sv = (struct irs_sv *)malloc(sizeof *sv))) { + if (!(sv = memget(sizeof *sv))) { errno = ENOMEM; return (NULL); } memset(sv, 0x5e, sizeof *sv); - if (!(pvt = (struct pvt *)malloc(sizeof *pvt))) { - free(sv); + if (!(pvt = memget(sizeof *pvt))) { + memput(sv, sizeof *sv); errno = ENOMEM; return (NULL); } @@ -81,6 +91,8 @@ irs_gen_sv(struct irs_acc *this) { sv->byport = sv_byport; sv->rewind = sv_rewind; sv->minimize = sv_minimize; + sv->res_get = sv_res_get; + sv->res_set = sv_res_set; return (sv); } @@ -90,8 +102,8 @@ static void sv_close(struct irs_sv *this) { struct pvt *pvt = (struct pvt *)this->private; - free(pvt); - free(this); + memput(pvt, sizeof *pvt); + memput(this, sizeof *this); } static struct servent * @@ -173,3 +185,43 @@ sv_minimize(struct irs_sv *this) { (*sv->minimize)(sv); } } + +static struct __res_state * +sv_res_get(struct irs_sv *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); + sv_res_set(this, res, free); + } + + return (pvt->res); +} + +static void +sv_res_set(struct irs_sv *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_sv *sv = rule->inst->sv; + + if (sv->res_set) + (*sv->res_set)(sv, pvt->res, NULL); + } +} |
