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asyn-ares: set hint flags when calling ares_getaddrinfo

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The hint flag is ARES_AI_NUMERICSERV, and it will save a call to
getservbyname or getservbyname_r to set it.

Closes #9694
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bsergean 2022-10-10 16:24:43 -07:00 • committed by Daniel Stenberg
parent 66313cf4b3
commit e71a9b488f
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2 changed files with 6 additions and 1 deletions
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4
lib/asyn-ares.c
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@ -786,6 +786,10 @@ struct Curl_addrinfo *Curl_resolver_getaddrinfo(struct Curl_easy *data,
hints.ai_family = pf;
hints.ai_socktype = (data->conn->transport == TRNSPRT_TCP)?
SOCK_STREAM : SOCK_DGRAM;
/* Since the service is a numerical one, set the hint flags
* accordingly to save a call to getservbyname in inside C-Ares
*/
hints.ai_flags = ARES_AI_NUMERICSERV;
msnprintf(service, sizeof(service), "%d", port);
res->num_pending = 1;
ares_getaddrinfo((ares_channel)data->state.async.resolver, hostname,