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CURLOPT_DNS_USE_GLOBAL_CACHE: remove

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Remove the code too. The functionality has been disabled in code since
7.62.0. Setting this option will from now on simply be ignored and have
no function.

Closes #3654
This commit is contained in:
Daniel Stenberg 2019-03-07 15:39:43 +01:00
parent ebc0550110
commit f73de32d46
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GPG key ID: 5CC908FDB71E12C2
9 changed files with 35 additions and 119 deletions
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12
lib/multi.c
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@ -402,19 +402,9 @@ CURLMcode curl_multi_add_handle(struct Curl_multi *multi,
/* set the easy handle */
multistate(data, CURLM_STATE_INIT);
if((data->set.global_dns_cache) &&
(data->dns.hostcachetype != HCACHE_GLOBAL)) {
/* global dns cache was requested but still isn't */
struct curl_hash *global = Curl_global_host_cache_init();
if(global) {
/* only do this if the global cache init works */
data->dns.hostcache = global;
data->dns.hostcachetype = HCACHE_GLOBAL;
}
}
/* for multi interface connections, we share DNS cache automatically if the
easy handle's one is currently not set. */
else if(!data->dns.hostcache ||
if(!data->dns.hostcache ||
(data->dns.hostcachetype == HCACHE_NONE)) {
data->dns.hostcache = &multi->hostcache;
data->dns.hostcachetype = HCACHE_MULTI;