curl / libcurl / API / curl_easy_setopt / CURLOPT_HSTSREADDATA

CURLOPT_HSTSREADDATA explained

Name

CURLOPT_HSTSREADDATA - pointer passed to the HSTS read callback

Synopsis

#include <curl/curl.h>
 
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HSTSREADDATA, void *pointer);

Description

Data pointer to pass to the HSTS read function. If you use the CURLOPT_HSTSREADFUNCTION option, this is the pointer you get as input in the 3rd argument to the callback.

This option does not enable HSTS, you need to use CURLOPT_HSTS_CTRL to do that.

Default

NULL

Protocols

This feature is only used for HTTP(S) transfer.

Example

CURL *curl = curl_easy_init();
struct MyData this;
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
 
  /* pass pointer that gets passed in to the
     CURLOPT_HSTSREADFUNCTION callback */
  curl_easy_setopt(curl, CURLOPT_HSTSREADDATA, &this);
 
  curl_easy_perform(curl);
}

Availability

Added in 7.74.0

Return value

This returns CURLE_OK.