CURLOPT_PRIVATE - store a private pointer
#include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PRIVATE, void *pointer);
CURLOPT_PRIVATE(3) curl_easy_setopt options CURLOPT_PRIVATE(3) NAME CURLOPT_PRIVATE - store a private pointer SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PRIVATE, void *pointer); DESCRIPTION Pass a void * as parameter, pointing to data that should be associated with this curl handle. The pointer can subsequently be retrieved using curl_easy_getinfo(3) with the CURLINFO_PRIVATE option. libcurl itself never does anything with this data. DEFAULT NULL PROTOCOLS All EXAMPLE CURL *curl = curl_easy_init(); struct private secrets; if(curl) { struct private *extracted; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); /* store a pointer to our private struct */ curl_easy_setopt(curl, CURLOPT_PRIVATE, &secrets); curl_easy_perform(curl); /* we can extract the private pointer again too */ curl_easy_getinfo(curl, CURLINFO_PRIVATE, &extracted); } AVAILABILITY Added in 7.10.3 RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. ATTRIBUTES See attributes(7) for descriptions of the following attributes: +---------------+------------------+ |ATTRIBUTE TYPE | ATTRIBUTE VALUE | +---------------+------------------+ |Availability | web/curl | +---------------+------------------+ |Stability | Uncommitted | +---------------+------------------+ SEE ALSO CURLOPT_VERBOSE(3), CURLOPT_STDERR(3), NOTES Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source- code-downloads.html. This software was built from source available at https://github.com/oracle/solaris-userland. The original community source was downloaded from https://curl.se/down- load/curl-7.83.1.tar.bz2. Further information about this software can be found on the open source community website at http://curl.haxx.se/. libcurl 7.83.1 November 26, 2021 CURLOPT_PRIVATE(3)