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Jeff Pohlmeyer did some marvelous debugging to track this one down. We MUST

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NOT free the existing hash entry when we try to add a new one that matches
an existing entry. We now instead free the new one, and make the parent
function use the old entry's struct instead.
This commit is contained in:
Daniel Stenberg
2003-09-14 21:17:54 +00:00
parent de3281a3a8
commit 14597475b1
3 changed files with 24 additions and 18 deletions
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19
lib/hostip.c
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@@ -231,15 +231,22 @@ cache_resolv_response(struct SessionHandle *data,
return NULL;
}
dns->inuse = 0;
dns->addr = addr;
dns->inuse = 0; /* init to not used */
dns->addr = addr; /* this is the address(es) */
/* Store it in our dns cache */
Curl_hash_add(data->hostcache, entry_id, entry_len+1,
(const void *) dns);
/* Store the resolved data in our DNS cache. This function may return a
pointer to an existing struct already present in the hash, and it may
return the same argument we pass in. Make no assumptions. */
dns = Curl_hash_add(data->hostcache, entry_id, entry_len+1, (void *) dns);
if(!dns) {
/* major badness, run away! */
Curl_freeaddrinfo(addr);
free(entry_id);
return NULL;
}
time(&now);
dns->timestamp = now;
dns->timestamp = now; /* used now */
dns->inuse++; /* mark entry as in-use */