CURLINFO_REFERER - Man Page

get the referrer header

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_REFERER, char **hdrp);

Description

Pass in a pointer to a char pointer and get the referrer header.

The hdrp pointer will be NULL or pointing to private memory you MUST NOT free - it gets freed when you call curl_easy_cleanup(3) on the corresponding CURL handle.

Protocols

HTTP(S)

Example

CURL *curl = curl_easy_init();
if(curl) {
  CURLcode res;
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
  curl_easy_setopt(curl, CURLOPT_REFERER, "https://example.org/referrer");
  res = curl_easy_perform(curl);
  if(res == CURLE_OK) {
    char *hdr = NULL;
    curl_easy_getinfo(curl, CURLINFO_REFERER, &hdr);
    if(hdr)
      printf("Referrer header: %s\n", hdr);
  }
  curl_easy_cleanup(curl);
}

Availability

Added in 7.76.0

Return Value

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

See Also

curl_easy_getinfo(3), curl_easy_setopt(3), CURLOPT_REFERER(3),

Referenced By

curl_easy_getinfo(3), CURLOPT_REFERER(3).

February 19, 2021 libcurl 7.78.0 curl_easy_getinfo options