/* Cache handling for host lookup.
- Copyright (C) 2004-2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
#include <time.h>
#include <unistd.h>
#include <sys/mman.h>
+#include <resolv/res_hconf.h>
#include "dbg_log.h"
#include "nscd.h"
char strdata[0];
} *dataset = NULL;
- if (__builtin_expect (debug_level > 0, 0))
+ if (__glibc_unlikely (debug_level > 0))
{
if (he == NULL)
dbg_log (_("Haven't found \"%s\" in hosts cache!"), (char *) key);
}
static service_user *hosts_database;
- service_user *nip = NULL;
+ service_user *nip;
int no_more;
int rc6 = 0;
int rc4 = 0;
int herrno = 0;
- if (hosts_database != NULL)
- {
- nip = hosts_database;
- no_more = 0;
- }
- else
+ if (hosts_database == NULL)
no_more = __nss_database_lookup ("hosts", NULL,
- "dns [!UNAVAIL=return] files", &nip);
+ "dns [!UNAVAIL=return] files",
+ &hosts_database);
+ else
+ no_more = 0;
+ nip = hosts_database;
+ /* Initialize configurations. */
+ if (__glibc_unlikely (!_res_hconf.initialized))
+ _res_hconf_init ();
if (__res_maybe_init (&_res, 0) == -1)
- no_more = 1;
+ no_more = 1;
/* If we are looking for both IPv4 and IPv6 address we don't want
the lookup functions to automatically promote IPv4 addresses to
cp = family;
}
- /* Fill in the rest of the dataset. */
- dataset->head.allocsize = total + req->key_len;
- dataset->head.recsize = total - offsetof (struct dataset, resp);
- dataset->head.notfound = false;
- dataset->head.nreloads = he == NULL ? 0 : (dh->nreloads + 1);
- dataset->head.usable = true;
-
- /* Compute the timeout time. */
- dataset->head.ttl = ttl == INT32_MAX ? db->postimeout : ttl;
- timeout = dataset->head.timeout = time (NULL) + dataset->head.ttl;
+ timeout = datahead_init_pos (&dataset->head, total + req->key_len,
+ total - offsetof (struct dataset, resp),
+ he == NULL ? 0 : dh->nreloads + 1,
+ ttl == INT32_MAX ? db->postimeout : ttl);
+ /* Fill in the rest of the dataset. */
dataset->resp.version = NSCD_VERSION;
dataset->resp.found = 1;
dataset->resp.naddrs = naddrs;
struct dataset *newp
= (struct dataset *) mempool_alloc (db, total + req->key_len,
1);
- if (__builtin_expect (newp != NULL, 1))
+ if (__glibc_likely (newp != NULL))
{
/* Adjust pointer into the memory block. */
key_copy = (char *) newp + (key_copy - (char *) dataset);
else if ((dataset = mempool_alloc (db, (sizeof (struct dataset)
+ req->key_len), 1)) != NULL)
{
- dataset->head.allocsize = sizeof (struct dataset) + req->key_len;
- dataset->head.recsize = total;
- dataset->head.notfound = true;
- dataset->head.nreloads = 0;
- dataset->head.usable = true;
-
- /* Compute the timeout time. */
- timeout = dataset->head.timeout = time (NULL) + db->negtimeout;
- dataset->head.ttl = db->negtimeout;
+ timeout = datahead_init_neg (&dataset->head,
+ sizeof (struct dataset) + req->key_len,
+ total, db->negtimeout);
/* This is the reply. */
memcpy (&dataset->resp, ¬found, total);