curl / libcurl / API / curl_easy_setopt / CURLOPT_AUTOREFERER

CURLOPT_AUTOREFERER explained

Name

CURLOPT_AUTOREFERER - automatically update the referer header

Synopsis

#include <curl/curl.h>
 
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_AUTOREFERER, long autorefer);

Description

Pass a parameter set to 1 to enable this. When enabled, libcurl will automatically set the Referer: header field in HTTP requests to the full URL where it follows a Location: redirect.

Default

0, disabled

Protocols

HTTP

Example

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
 
  /* follow redirects */
  curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
 
  /* set Referer: automatically when following redirects */
  curl_easy_setopt(curl, CURLOPT_AUTOREFERER, 1L);
 
  ret = curl_easy_perform(curl);
 
  curl_easy_cleanup(curl);
}

Availability

Along with HTTP

Return value

Returns CURLE_OK if HTTP is supported, and CURLE_UNKNOWN_OPTION if not.

See also

CURLOPT_REFERER(3), CURLOPT_FOLLOWLOCATION(3),

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