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[BZ #4905]

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* nscd/hstcache.c (cache_addhst): When reloading an entry which
	suddenly has two or more addresses, ignore it and remove the old
	entry.
This commit is contained in:
Ulrich Drepper 2007-08-22 03:30:02 +00:00
parent 1ce7d80ddc
commit c44d3bdf14
2 changed files with 23 additions and 12 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2007-08-21 Ulrich Drepper <drepper@redhat.com>
[BZ #4905]
* nscd/hstcache.c (cache_addhst): When reloading an entry which
suddenly has two or more addresses, ignore it and remove the old
entry.
[BZ #4814]
* resolv/res_hconf.c: Prepare for compiling outside libc.
* nscd/res_hconf.c: New file.

10
nscd/hstcache.c
View File

@ -298,19 +298,24 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
/* The data has not changed. We will just bump the
timeout value. Note that the new record has been
allocated on the stack and need not be freed. */
assert (h_addr_list_cnt == 1);
dh->timeout = dataset->head.timeout;
++dh->nreloads;
}
else
{
if (h_addr_list_cnt == 1)
{
/* We have to create a new record. Just allocate
appropriate memory and copy it. */
struct dataset *newp
= (struct dataset *) mempool_alloc (db, total + req->key_len);
= (struct dataset *) mempool_alloc (db,
total + req->key_len);
if (newp != NULL)
{
/* Adjust pointers into the memory block. */
addresses = (char *) newp + (addresses - (char *) dataset);
addresses = (char *) newp + (addresses
- (char *) dataset);
aliases = (char *) newp + (aliases - (char *) dataset);
assert (key_copy != NULL);
key_copy = (char *) newp + (key_copy - (char *) dataset);
@ -318,6 +323,7 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
dataset = memcpy (newp, dataset, total + req->key_len);
alloca_used = false;
}
}
/* Mark the old record as obsolete. */
dh->usable = false;