curl / libcurl / API / curl_easy_getinfo / CURLINFO_PRIVATE

CURLINFO_PRIVATE explained

Name

CURLINFO_PRIVATE - get the private pointer

Synopsis

#include <curl/curl.h>
 
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRIVATE, char **private);

Description

Pass a pointer to a char pointer to receive the pointer to the private data associated with the curl handle (set with the CURLOPT_PRIVATE). Please note that for internal reasons, the value is returned as a char pointer, although effectively being a 'void *'.

Protocols

All

Example

CURL *curl = curl_easy_init();
if(curl) {
  void *pointer = 0x2345454;
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
 
  /* set the private pointer */
  curl_easy_setopt(curl, CURLOPT_PRIVATE, pointer);
  ret = curl_easy_perform(curl);
 
  /* extract the private pointer again */
  ret = curl_easy_getinfo(curl, CURLINFO_PRIVATE, &pointer);
 
  curl_easy_cleanup(curl);
}

Availability

Added in 7.10.3

Return value

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.