CURLOPT_PRIVATE(3)

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 subse-
     quently 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, "http://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.

SEE ALSO

     CURLOPT_VERBOSE(3), CURLOPT_STDERR(3),

libcurl 7.58.0   Last change: December 08, 2017                 1