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48 lines
1.3 KiB
Groff
48 lines
1.3 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_DNS_USE_GLOBAL_CACHE.md
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.TH CURLOPT_DNS_USE_GLOBAL_CACHE 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_DNS_USE_GLOBAL_CACHE \- global DNS cache
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DNS_USE_GLOBAL_CACHE,
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long enable);
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.fi
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.SH DESCRIPTION
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Has no function since 7.62.0. Do not use!
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Pass a long. If the \fIenable\fP value is 1, it tells curl to use a global DNS
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cache that survives between easy handle creations and deletions. This is not
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thread\-safe and this uses a global variable.
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See \fICURLOPT_SHARE(3)\fP and \fIcurl_share_init(3)\fP for the correct way to share DNS
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cache between transfers.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode ret;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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/* switch off the use of a global, thread unsafe, cache */
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curl_easy_setopt(curl, CURLOPT_DNS_USE_GLOBAL_CACHE, 0L);
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ret = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Deprecated since 7.11.1. Function removed in 7.62.0.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLOPT_DNS_CACHE_TIMEOUT (3),
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.BR CURLOPT_SHARE (3)
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