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52 lines
1.3 KiB
Groff
52 lines
1.3 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_PRIVATE.md
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.TH CURLOPT_PRIVATE 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_PRIVATE \- store a private pointer
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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_PRIVATE, void *pointer);
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.fi
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.SH DESCRIPTION
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Pass a void * as parameter, pointing to data that should be associated with
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this curl handle. The pointer can subsequently be retrieved using
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\fIcurl_easy_getinfo(3)\fP with the \fICURLINFO_PRIVATE(3)\fP option. libcurl itself
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never does anything with this data.
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.SH DEFAULT
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NULL
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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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struct private {
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void *custom;
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};
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int main(void)
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{
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CURL *curl = curl_easy_init();
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struct private secrets;
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if(curl) {
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struct private *extracted;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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/* store a pointer to our private struct */
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curl_easy_setopt(curl, CURLOPT_PRIVATE, &secrets);
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curl_easy_perform(curl);
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/* we can extract the private pointer again too */
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curl_easy_getinfo(curl, CURLINFO_PRIVATE, &extracted);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.10.3
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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 CURLINFO_PRIVATE (3),
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.BR CURLOPT_STDERR (3),
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.BR CURLOPT_VERBOSE (3)
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