73 lines
1.3 KiB
Markdown
73 lines
1.3 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_PRIVATE
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Section: 3
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Source: libcurl
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See-also:
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- CURLINFO_PRIVATE (3)
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- CURLOPT_STDERR (3)
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- CURLOPT_VERBOSE (3)
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---
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# NAME
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CURLOPT_PRIVATE - store a private pointer
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# SYNOPSIS
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~~~c
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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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~~~
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# 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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curl_easy_getinfo(3) with the CURLINFO_PRIVATE(3) option. libcurl itself
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never does anything with this data.
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# DEFAULT
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NULL
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# PROTOCOLS
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All
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# EXAMPLE
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~~~c
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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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~~~
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# AVAILABILITY
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Added in 7.10.3
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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